./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.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 4a3cef13903dd032b032a92c3e6d07b1ee77361a4ee844998d70fb602ded6daa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:42:41,277 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:42:41,332 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:42:41,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:42:41,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:42:41,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:42:41,358 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:42:41,358 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:42:41,358 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:42:41,359 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:42:41,359 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:42:41,359 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:42:41,359 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:42:41,360 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:42:41,360 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:42:41,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:42:41,360 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:42:41,361 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:42:41,361 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:42:41,363 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:42:41,365 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:42:41,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:42:41,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:42:41,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:42:41,368 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:42:41,368 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:42:41,368 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:42:41,368 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:42:41,368 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:42:41,369 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:42:41,369 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:42:41,369 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:42:41,369 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:42:41,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:42:41,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:42:41,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:42:41,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:42:41,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:42:41,371 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:42:41,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:42:41,371 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:42:41,372 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:42:41,372 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:42:41,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:42:41,372 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a3cef13903dd032b032a92c3e6d07b1ee77361a4ee844998d70fb602ded6daa [2024-11-17 04:42:41,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:42:41,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:42:41,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:42:41,597 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:42:41,598 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:42:41,598 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c [2024-11-17 04:42:42,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:42:42,915 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:42:42,915 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c [2024-11-17 04:42:42,922 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4ad9da69/3777fd7ec43b41fc850b4a94b8b3b57d/FLAG99f13a1d1 [2024-11-17 04:42:42,935 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4ad9da69/3777fd7ec43b41fc850b4a94b8b3b57d [2024-11-17 04:42:42,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:42:42,939 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:42:42,940 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:42:42,940 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:42:42,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:42:42,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:42:42" (1/1) ... [2024-11-17 04:42:42,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b1c138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:42, skipping insertion in model container [2024-11-17 04:42:42,946 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:42:42" (1/1) ... [2024-11-17 04:42:42,963 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:42:43,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:42:43,139 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:42:43,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:42:43,171 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:42:43,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:43 WrapperNode [2024-11-17 04:42:43,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:42:43,174 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:42:43,174 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:42:43,174 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:42:43,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:43" (1/1) ... [2024-11-17 04:42:43,185 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:43" (1/1) ... [2024-11-17 04:42:43,219 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2024-11-17 04:42:43,220 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:42:43,221 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:42:43,221 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:42:43,221 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:42:43,231 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:43" (1/1) ... [2024-11-17 04:42:43,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:43" (1/1) ... [2024-11-17 04:42:43,232 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:43" (1/1) ... [2024-11-17 04:42:43,251 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]. [2024-11-17 04:42:43,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:43" (1/1) ... [2024-11-17 04:42:43,252 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:43" (1/1) ... [2024-11-17 04:42:43,268 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:43" (1/1) ... [2024-11-17 04:42:43,271 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:43" (1/1) ... [2024-11-17 04:42:43,272 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:43" (1/1) ... [2024-11-17 04:42:43,273 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:43" (1/1) ... [2024-11-17 04:42:43,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:42:43,277 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:42:43,277 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:42:43,277 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:42:43,278 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:43" (1/1) ... [2024-11-17 04:42:43,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:42:43,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:43,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 04:42:43,323 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 [2024-11-17 04:42:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:42:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-17 04:42:43,362 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-17 04:42:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:42:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:42:43,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:42:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 04:42:43,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 04:42:43,415 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:42:43,417 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:42:43,576 INFO L? ?]: Removed 47 outVars from TransFormulas that were not future-live. [2024-11-17 04:42:43,577 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:42:43,591 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:42:43,591 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:42:43,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:42:43 BoogieIcfgContainer [2024-11-17 04:42:43,591 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:42:43,593 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:42:43,593 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:42:43,596 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:42:43,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:42:42" (1/3) ... [2024-11-17 04:42:43,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c88957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:42:43, skipping insertion in model container [2024-11-17 04:42:43,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:43" (2/3) ... [2024-11-17 04:42:43,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c88957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:42:43, skipping insertion in model container [2024-11-17 04:42:43,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:42:43" (3/3) ... [2024-11-17 04:42:43,598 INFO L112 eAbstractionObserver]: Analyzing ICFG mannadiv_unwindbound20.c [2024-11-17 04:42:43,611 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:42:43,611 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-17 04:42:43,654 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:42:43,659 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;@2cee7c16, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:42:43,659 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-17 04:42:43,662 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 45 states have (on average 1.6222222222222222) internal successors, (73), 67 states have internal predecessors, (73), 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) [2024-11-17 04:42:43,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-17 04:42:43,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:43,667 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:43,667 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:43,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:43,671 INFO L85 PathProgramCache]: Analyzing trace with hash -2146905663, now seen corresponding path program 1 times [2024-11-17 04:42:43,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:43,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965893718] [2024-11-17 04:42:43,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:43,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:43,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:43,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:43,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:43,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:43,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965893718] [2024-11-17 04:42:43,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965893718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:43,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:42:43,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:42:43,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006166890] [2024-11-17 04:42:43,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:43,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 04:42:43,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:43,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 04:42:43,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:42:43,835 INFO L87 Difference]: Start difference. First operand has 74 states, 45 states have (on average 1.6222222222222222) internal successors, (73), 67 states have internal predecessors, (73), 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) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:42:43,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:43,858 INFO L93 Difference]: Finished difference Result 144 states and 161 transitions. [2024-11-17 04:42:43,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 04:42:43,860 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-17 04:42:43,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:43,865 INFO L225 Difference]: With dead ends: 144 [2024-11-17 04:42:43,865 INFO L226 Difference]: Without dead ends: 67 [2024-11-17 04:42:43,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:42:43,870 INFO L432 NwaCegarLoop]: 77 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, 77 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 [2024-11-17 04:42:43,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:42:43,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-17 04:42:43,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-17 04:42:43,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 40 states have (on average 1.6) internal successors, (64), 61 states have internal predecessors, (64), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:42:43,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 70 transitions. [2024-11-17 04:42:43,913 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 70 transitions. Word has length 15 [2024-11-17 04:42:43,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:43,917 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 70 transitions. [2024-11-17 04:42:43,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:42:43,917 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2024-11-17 04:42:43,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-17 04:42:43,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:43,920 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:43,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:42:43,920 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:43,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:43,935 INFO L85 PathProgramCache]: Analyzing trace with hash 379739425, now seen corresponding path program 1 times [2024-11-17 04:42:43,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:43,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553361275] [2024-11-17 04:42:43,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:43,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:44,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:44,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:44,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:44,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:44,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553361275] [2024-11-17 04:42:44,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553361275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:44,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:42:44,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:42:44,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079913205] [2024-11-17 04:42:44,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:44,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:42:44,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:44,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:42:44,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:42:44,117 INFO L87 Difference]: Start difference. First operand 67 states and 70 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:44,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:44,163 INFO L93 Difference]: Finished difference Result 82 states and 85 transitions. [2024-11-17 04:42:44,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:42:44,164 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-17 04:42:44,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:44,165 INFO L225 Difference]: With dead ends: 82 [2024-11-17 04:42:44,165 INFO L226 Difference]: Without dead ends: 72 [2024-11-17 04:42:44,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:42:44,167 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 11 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:44,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 183 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:42:44,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-17 04:42:44,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-17 04:42:44,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 45 states have (on average 1.5333333333333334) internal successors, (69), 66 states have internal predecessors, (69), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:42:44,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 75 transitions. [2024-11-17 04:42:44,175 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 75 transitions. Word has length 15 [2024-11-17 04:42:44,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:44,176 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 75 transitions. [2024-11-17 04:42:44,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:44,176 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 75 transitions. [2024-11-17 04:42:44,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-17 04:42:44,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:44,176 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:44,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:42:44,177 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:44,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:44,177 INFO L85 PathProgramCache]: Analyzing trace with hash 369694493, now seen corresponding path program 1 times [2024-11-17 04:42:44,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:44,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088558330] [2024-11-17 04:42:44,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:44,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:42:44,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [249793542] [2024-11-17 04:42:44,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:44,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:44,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:44,200 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) [2024-11-17 04:42:44,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:42:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:44,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:42:44,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:44,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:44,276 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:42:44,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:44,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088558330] [2024-11-17 04:42:44,277 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:42:44,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249793542] [2024-11-17 04:42:44,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249793542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:44,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:42:44,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:42:44,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211854041] [2024-11-17 04:42:44,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:44,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:42:44,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:44,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:42:44,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:42:44,282 INFO L87 Difference]: Start difference. First operand 72 states and 75 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:44,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:44,399 INFO L93 Difference]: Finished difference Result 115 states and 127 transitions. [2024-11-17 04:42:44,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:42:44,400 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-17 04:42:44,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:44,401 INFO L225 Difference]: With dead ends: 115 [2024-11-17 04:42:44,403 INFO L226 Difference]: Without dead ends: 109 [2024-11-17 04:42:44,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:42:44,404 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 32 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:44,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 99 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:42:44,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-17 04:42:44,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 98. [2024-11-17 04:42:44,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 70 states have (on average 1.5571428571428572) internal successors, (109), 91 states have internal predecessors, (109), 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) [2024-11-17 04:42:44,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 117 transitions. [2024-11-17 04:42:44,413 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 117 transitions. Word has length 19 [2024-11-17 04:42:44,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:44,413 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 117 transitions. [2024-11-17 04:42:44,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:44,414 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 117 transitions. [2024-11-17 04:42:44,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-17 04:42:44,414 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:44,414 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:44,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 04:42:44,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:44,619 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:44,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:44,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1205877189, now seen corresponding path program 1 times [2024-11-17 04:42:44,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:44,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799194951] [2024-11-17 04:42:44,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:44,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:44,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:44,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:44,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:44,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:44,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799194951] [2024-11-17 04:42:44,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799194951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:44,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:42:44,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:42:44,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151727195] [2024-11-17 04:42:44,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:44,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:42:44,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:44,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:42:44,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:42:44,689 INFO L87 Difference]: Start difference. First operand 98 states and 117 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:44,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:44,804 INFO L93 Difference]: Finished difference Result 151 states and 188 transitions. [2024-11-17 04:42:44,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:42:44,805 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-17 04:42:44,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:44,806 INFO L225 Difference]: With dead ends: 151 [2024-11-17 04:42:44,807 INFO L226 Difference]: Without dead ends: 144 [2024-11-17 04:42:44,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:42:44,808 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 46 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:44,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 101 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:42:44,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-17 04:42:44,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 135. [2024-11-17 04:42:44,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 105 states have (on average 1.5333333333333334) internal successors, (161), 126 states have internal predecessors, (161), 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) [2024-11-17 04:42:44,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 173 transitions. [2024-11-17 04:42:44,818 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 173 transitions. Word has length 21 [2024-11-17 04:42:44,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:44,818 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 173 transitions. [2024-11-17 04:42:44,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:44,819 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 173 transitions. [2024-11-17 04:42:44,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-17 04:42:44,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:44,819 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:44,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 04:42:44,820 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:44,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:44,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1272512820, now seen corresponding path program 1 times [2024-11-17 04:42:44,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:44,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967066317] [2024-11-17 04:42:44,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:44,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:44,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:44,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:44,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:44,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:44,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967066317] [2024-11-17 04:42:44,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967066317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:44,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:42:44,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:42:44,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522134861] [2024-11-17 04:42:44,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:44,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:42:44,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:44,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:42:44,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:42:44,897 INFO L87 Difference]: Start difference. First operand 135 states and 173 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:45,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:45,054 INFO L93 Difference]: Finished difference Result 148 states and 178 transitions. [2024-11-17 04:42:45,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:42:45,056 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-11-17 04:42:45,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:45,057 INFO L225 Difference]: With dead ends: 148 [2024-11-17 04:42:45,057 INFO L226 Difference]: Without dead ends: 139 [2024-11-17 04:42:45,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:42:45,058 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 46 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:45,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 105 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:42:45,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-17 04:42:45,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 131. [2024-11-17 04:42:45,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 101 states have (on average 1.504950495049505) internal successors, (152), 122 states have internal predecessors, (152), 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) [2024-11-17 04:42:45,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 164 transitions. [2024-11-17 04:42:45,073 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 164 transitions. Word has length 22 [2024-11-17 04:42:45,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:45,073 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 164 transitions. [2024-11-17 04:42:45,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:45,073 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 164 transitions. [2024-11-17 04:42:45,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-17 04:42:45,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:45,074 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:45,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 04:42:45,074 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:45,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:45,075 INFO L85 PathProgramCache]: Analyzing trace with hash 793191769, now seen corresponding path program 1 times [2024-11-17 04:42:45,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:45,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663191230] [2024-11-17 04:42:45,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:45,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:45,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:45,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:45,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:42:45,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:45,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663191230] [2024-11-17 04:42:45,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663191230] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:45,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256980113] [2024-11-17 04:42:45,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:45,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:45,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:45,236 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) [2024-11-17 04:42:45,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:42:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:45,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:42:45,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:45,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:45,404 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:42:45,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1256980113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:45,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:42:45,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-17 04:42:45,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242389583] [2024-11-17 04:42:45,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:45,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:42:45,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:45,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:42:45,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:42:45,406 INFO L87 Difference]: Start difference. First operand 131 states and 164 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:45,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:45,514 INFO L93 Difference]: Finished difference Result 136 states and 170 transitions. [2024-11-17 04:42:45,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:42:45,515 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-11-17 04:42:45,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:45,515 INFO L225 Difference]: With dead ends: 136 [2024-11-17 04:42:45,516 INFO L226 Difference]: Without dead ends: 135 [2024-11-17 04:42:45,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:42:45,516 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 91 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:45,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 80 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:42:45,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-17 04:42:45,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 131. [2024-11-17 04:42:45,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 101 states have (on average 1.495049504950495) internal successors, (151), 122 states have internal predecessors, (151), 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) [2024-11-17 04:42:45,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 163 transitions. [2024-11-17 04:42:45,524 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 163 transitions. Word has length 23 [2024-11-17 04:42:45,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:45,524 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 163 transitions. [2024-11-17 04:42:45,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:45,524 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 163 transitions. [2024-11-17 04:42:45,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-17 04:42:45,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:45,525 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:45,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 04:42:45,725 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,SelfDestructingSolverStorable5 [2024-11-17 04:42:45,725 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:45,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:45,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1180858926, now seen corresponding path program 1 times [2024-11-17 04:42:45,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:45,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667530069] [2024-11-17 04:42:45,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:45,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:42:45,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1966079308] [2024-11-17 04:42:45,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:45,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:45,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:45,743 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) [2024-11-17 04:42:45,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:42:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:45,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:42:45,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:45,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:45,864 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:42:45,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:45,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667530069] [2024-11-17 04:42:45,875 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:42:45,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966079308] [2024-11-17 04:42:45,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966079308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:45,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:42:45,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:42:45,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803651505] [2024-11-17 04:42:45,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:45,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:42:45,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:45,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:42:45,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:42:45,877 INFO L87 Difference]: Start difference. First operand 131 states and 163 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:45,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:45,985 INFO L93 Difference]: Finished difference Result 133 states and 164 transitions. [2024-11-17 04:42:45,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:42:45,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-11-17 04:42:45,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:45,986 INFO L225 Difference]: With dead ends: 133 [2024-11-17 04:42:45,986 INFO L226 Difference]: Without dead ends: 132 [2024-11-17 04:42:45,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:42:45,987 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 82 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:45,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 86 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:42:45,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-17 04:42:45,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 131. [2024-11-17 04:42:45,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 101 states have (on average 1.4851485148514851) internal successors, (150), 122 states have internal predecessors, (150), 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) [2024-11-17 04:42:45,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 162 transitions. [2024-11-17 04:42:45,993 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 162 transitions. Word has length 24 [2024-11-17 04:42:45,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:45,994 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 162 transitions. [2024-11-17 04:42:45,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:45,994 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 162 transitions. [2024-11-17 04:42:45,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-17 04:42:45,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:45,995 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:46,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 04:42:46,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:46,199 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:46,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:46,199 INFO L85 PathProgramCache]: Analyzing trace with hash -2126440454, now seen corresponding path program 1 times [2024-11-17 04:42:46,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:46,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629924974] [2024-11-17 04:42:46,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:46,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:46,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:46,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:46,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:42:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:46,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:42:46,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:46,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629924974] [2024-11-17 04:42:46,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629924974] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:46,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36042256] [2024-11-17 04:42:46,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:46,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:46,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:46,301 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) [2024-11-17 04:42:46,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:42:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:46,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:42:46,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:46,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:42:46,378 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:42:46,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:42:46,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36042256] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:42:46,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:42:46,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-17 04:42:46,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660360602] [2024-11-17 04:42:46,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:42:46,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:42:46,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:46,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:42:46,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:42:46,465 INFO L87 Difference]: Start difference. First operand 131 states and 162 transitions. Second operand has 9 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:42:46,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:46,549 INFO L93 Difference]: Finished difference Result 211 states and 258 transitions. [2024-11-17 04:42:46,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:42:46,550 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 37 [2024-11-17 04:42:46,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:46,551 INFO L225 Difference]: With dead ends: 211 [2024-11-17 04:42:46,551 INFO L226 Difference]: Without dead ends: 209 [2024-11-17 04:42:46,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:42:46,552 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 177 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:46,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 255 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:42:46,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-17 04:42:46,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 187. [2024-11-17 04:42:46,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 155 states have (on average 1.4774193548387098) internal successors, (229), 176 states have internal predecessors, (229), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:42:46,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 245 transitions. [2024-11-17 04:42:46,561 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 245 transitions. Word has length 37 [2024-11-17 04:42:46,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:46,561 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 245 transitions. [2024-11-17 04:42:46,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:42:46,562 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 245 transitions. [2024-11-17 04:42:46,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-17 04:42:46,562 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:46,562 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:46,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-17 04:42:46,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:46,763 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:46,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:46,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1495144651, now seen corresponding path program 1 times [2024-11-17 04:42:46,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:46,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081596861] [2024-11-17 04:42:46,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:46,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:46,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:46,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:46,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:42:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:46,820 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:46,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:46,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081596861] [2024-11-17 04:42:46,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081596861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:46,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:42:46,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:42:46,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090590702] [2024-11-17 04:42:46,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:46,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:42:46,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:46,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:42:46,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:42:46,824 INFO L87 Difference]: Start difference. First operand 187 states and 245 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:42:46,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:46,853 INFO L93 Difference]: Finished difference Result 197 states and 254 transitions. [2024-11-17 04:42:46,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:42:46,854 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2024-11-17 04:42:46,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:46,855 INFO L225 Difference]: With dead ends: 197 [2024-11-17 04:42:46,855 INFO L226 Difference]: Without dead ends: 195 [2024-11-17 04:42:46,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:42:46,856 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 88 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:46,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 82 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:42:46,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-17 04:42:46,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 185. [2024-11-17 04:42:46,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 155 states have (on average 1.4451612903225806) internal successors, (224), 174 states have internal predecessors, (224), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:42:46,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 240 transitions. [2024-11-17 04:42:46,869 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 240 transitions. Word has length 38 [2024-11-17 04:42:46,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:46,869 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 240 transitions. [2024-11-17 04:42:46,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:42:46,869 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 240 transitions. [2024-11-17 04:42:46,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-17 04:42:46,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:46,872 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:46,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 04:42:46,873 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:46,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:46,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1251512535, now seen corresponding path program 1 times [2024-11-17 04:42:46,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:46,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418125296] [2024-11-17 04:42:46,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:46,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:46,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:46,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:46,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:46,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:42:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:46,943 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:46,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:46,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418125296] [2024-11-17 04:42:46,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418125296] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:46,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881928796] [2024-11-17 04:42:46,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:46,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:46,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:46,945 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) [2024-11-17 04:42:46,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:42:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:46,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:42:46,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:47,038 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:47,038 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:42:47,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881928796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:47,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:42:47,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-17 04:42:47,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105540119] [2024-11-17 04:42:47,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:47,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:42:47,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:47,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:42:47,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:42:47,039 INFO L87 Difference]: Start difference. First operand 185 states and 240 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:42:47,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:47,070 INFO L93 Difference]: Finished difference Result 185 states and 240 transitions. [2024-11-17 04:42:47,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:42:47,071 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (3), 2 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 41 [2024-11-17 04:42:47,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:47,072 INFO L225 Difference]: With dead ends: 185 [2024-11-17 04:42:47,072 INFO L226 Difference]: Without dead ends: 184 [2024-11-17 04:42:47,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:42:47,073 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 46 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:47,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 178 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:42:47,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-17 04:42:47,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2024-11-17 04:42:47,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 155 states have (on average 1.4129032258064516) internal successors, (219), 173 states have internal predecessors, (219), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:42:47,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 235 transitions. [2024-11-17 04:42:47,081 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 235 transitions. Word has length 41 [2024-11-17 04:42:47,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:47,082 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 235 transitions. [2024-11-17 04:42:47,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:42:47,082 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 235 transitions. [2024-11-17 04:42:47,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-17 04:42:47,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:47,083 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:47,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 04:42:47,283 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,SelfDestructingSolverStorable9 [2024-11-17 04:42:47,284 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:47,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:47,284 INFO L85 PathProgramCache]: Analyzing trace with hash 142182947, now seen corresponding path program 1 times [2024-11-17 04:42:47,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:47,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342994667] [2024-11-17 04:42:47,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:47,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:47,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:47,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:47,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:42:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:47,368 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:47,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:47,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342994667] [2024-11-17 04:42:47,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342994667] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:47,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764263850] [2024-11-17 04:42:47,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:47,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:47,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:47,370 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) [2024-11-17 04:42:47,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 04:42:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:47,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:42:47,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:47,463 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:47,463 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:42:47,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764263850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:47,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:42:47,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-17 04:42:47,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699106556] [2024-11-17 04:42:47,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:47,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:42:47,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:47,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:42:47,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:42:47,465 INFO L87 Difference]: Start difference. First operand 184 states and 235 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:42:47,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:47,502 INFO L93 Difference]: Finished difference Result 194 states and 244 transitions. [2024-11-17 04:42:47,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:42:47,504 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 2 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 42 [2024-11-17 04:42:47,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:47,507 INFO L225 Difference]: With dead ends: 194 [2024-11-17 04:42:47,507 INFO L226 Difference]: Without dead ends: 193 [2024-11-17 04:42:47,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:42:47,507 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 45 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:47,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 199 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:42:47,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-17 04:42:47,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 183. [2024-11-17 04:42:47,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 155 states have (on average 1.3806451612903226) internal successors, (214), 172 states have internal predecessors, (214), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:42:47,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 230 transitions. [2024-11-17 04:42:47,515 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 230 transitions. Word has length 42 [2024-11-17 04:42:47,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:47,515 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 230 transitions. [2024-11-17 04:42:47,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:42:47,515 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 230 transitions. [2024-11-17 04:42:47,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-17 04:42:47,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:47,516 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:47,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-17 04:42:47,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:47,720 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:47,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:47,720 INFO L85 PathProgramCache]: Analyzing trace with hash 934444939, now seen corresponding path program 1 times [2024-11-17 04:42:47,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:47,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045952322] [2024-11-17 04:42:47,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:47,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:47,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:47,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:47,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:42:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:47,787 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:47,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:47,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045952322] [2024-11-17 04:42:47,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045952322] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:47,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284648948] [2024-11-17 04:42:47,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:47,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:47,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:47,789 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) [2024-11-17 04:42:47,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 04:42:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:47,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:42:47,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:47,888 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:47,889 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:42:47,955 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:47,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284648948] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:42:47,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:42:47,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-11-17 04:42:47,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629040846] [2024-11-17 04:42:47,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:42:47,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 04:42:47,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:47,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 04:42:47,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:42:47,957 INFO L87 Difference]: Start difference. First operand 183 states and 230 transitions. Second operand has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 13 states have internal predecessors, (79), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-17 04:42:48,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:48,051 INFO L93 Difference]: Finished difference Result 340 states and 397 transitions. [2024-11-17 04:42:48,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:42:48,051 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 13 states have internal predecessors, (79), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 45 [2024-11-17 04:42:48,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:48,053 INFO L225 Difference]: With dead ends: 340 [2024-11-17 04:42:48,053 INFO L226 Difference]: Without dead ends: 328 [2024-11-17 04:42:48,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-11-17 04:42:48,054 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 158 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:48,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 417 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:42:48,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-17 04:42:48,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 286. [2024-11-17 04:42:48,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 252 states have (on average 1.3531746031746033) internal successors, (341), 269 states have internal predecessors, (341), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-17 04:42:48,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 363 transitions. [2024-11-17 04:42:48,068 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 363 transitions. Word has length 45 [2024-11-17 04:42:48,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:48,068 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 363 transitions. [2024-11-17 04:42:48,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 13 states have internal predecessors, (79), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-17 04:42:48,068 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 363 transitions. [2024-11-17 04:42:48,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-17 04:42:48,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:48,068 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:48,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-17 04:42:48,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:48,274 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:48,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:48,274 INFO L85 PathProgramCache]: Analyzing trace with hash 934445011, now seen corresponding path program 1 times [2024-11-17 04:42:48,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:48,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668922013] [2024-11-17 04:42:48,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:48,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:42:48,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [406719477] [2024-11-17 04:42:48,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:48,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:48,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:48,288 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) [2024-11-17 04:42:48,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 04:42:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:48,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:42:48,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:48,456 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:48,457 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:42:48,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:48,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668922013] [2024-11-17 04:42:48,612 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:42:48,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406719477] [2024-11-17 04:42:48,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406719477] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:48,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:42:48,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-17 04:42:48,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72868661] [2024-11-17 04:42:48,612 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:42:48,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:42:48,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:48,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:42:48,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:42:48,613 INFO L87 Difference]: Start difference. First operand 286 states and 363 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:42:48,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:48,716 INFO L93 Difference]: Finished difference Result 296 states and 369 transitions. [2024-11-17 04:42:48,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:42:48,716 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2024-11-17 04:42:48,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:48,718 INFO L225 Difference]: With dead ends: 296 [2024-11-17 04:42:48,718 INFO L226 Difference]: Without dead ends: 289 [2024-11-17 04:42:48,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:42:48,719 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 74 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:48,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 88 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:42:48,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-17 04:42:48,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 282. [2024-11-17 04:42:48,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 253 states have (on average 1.2648221343873518) internal successors, (320), 265 states have internal predecessors, (320), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-17 04:42:48,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 342 transitions. [2024-11-17 04:42:48,731 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 342 transitions. Word has length 45 [2024-11-17 04:42:48,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:48,732 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 342 transitions. [2024-11-17 04:42:48,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:42:48,732 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 342 transitions. [2024-11-17 04:42:48,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-17 04:42:48,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:48,733 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:48,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 04:42:48,933 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,SelfDestructingSolverStorable12 [2024-11-17 04:42:48,933 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:48,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:48,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1096975712, now seen corresponding path program 1 times [2024-11-17 04:42:48,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:48,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700986563] [2024-11-17 04:42:48,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:48,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:42:48,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [419820470] [2024-11-17 04:42:48,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:48,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:48,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:48,944 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:42:48,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 04:42:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:48,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:42:48,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:49,102 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:49,102 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:42:49,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:49,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700986563] [2024-11-17 04:42:49,443 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:42:49,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419820470] [2024-11-17 04:42:49,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [419820470] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:49,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:42:49,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-17 04:42:49,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905855926] [2024-11-17 04:42:49,443 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:42:49,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:42:49,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:49,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:42:49,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:42:49,444 INFO L87 Difference]: Start difference. First operand 282 states and 342 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:42:49,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:49,608 INFO L93 Difference]: Finished difference Result 387 states and 467 transitions. [2024-11-17 04:42:49,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:42:49,608 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2024-11-17 04:42:49,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:49,610 INFO L225 Difference]: With dead ends: 387 [2024-11-17 04:42:49,610 INFO L226 Difference]: Without dead ends: 382 [2024-11-17 04:42:49,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:42:49,610 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 80 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:49,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 164 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:42:49,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-17 04:42:49,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 361. [2024-11-17 04:42:49,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 329 states have (on average 1.2462006079027355) internal successors, (410), 341 states have internal predecessors, (410), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-17 04:42:49,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 438 transitions. [2024-11-17 04:42:49,621 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 438 transitions. Word has length 46 [2024-11-17 04:42:49,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:49,622 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 438 transitions. [2024-11-17 04:42:49,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:42:49,622 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 438 transitions. [2024-11-17 04:42:49,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-17 04:42:49,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:49,623 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:49,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-17 04:42:49,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-17 04:42:49,823 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:49,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:49,824 INFO L85 PathProgramCache]: Analyzing trace with hash 102733682, now seen corresponding path program 1 times [2024-11-17 04:42:49,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:49,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935237209] [2024-11-17 04:42:49,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:49,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:49,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:49,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:49,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:42:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:49,903 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:49,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:49,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935237209] [2024-11-17 04:42:49,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935237209] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:49,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572631334] [2024-11-17 04:42:49,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:49,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:49,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:49,905 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:42:49,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 04:42:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:49,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:42:49,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:50,044 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:50,044 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:42:50,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572631334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:50,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:42:50,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-17 04:42:50,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107529790] [2024-11-17 04:42:50,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:50,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:42:50,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:50,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:42:50,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:42:50,046 INFO L87 Difference]: Start difference. First operand 361 states and 438 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:42:50,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:50,123 INFO L93 Difference]: Finished difference Result 364 states and 441 transitions. [2024-11-17 04:42:50,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:42:50,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2024-11-17 04:42:50,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:50,125 INFO L225 Difference]: With dead ends: 364 [2024-11-17 04:42:50,125 INFO L226 Difference]: Without dead ends: 362 [2024-11-17 04:42:50,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:42:50,125 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 41 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:50,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 76 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:42:50,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-17 04:42:50,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 356. [2024-11-17 04:42:50,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 326 states have (on average 1.2361963190184049) internal successors, (403), 336 states have internal predecessors, (403), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-17 04:42:50,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 431 transitions. [2024-11-17 04:42:50,138 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 431 transitions. Word has length 47 [2024-11-17 04:42:50,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:50,139 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 431 transitions. [2024-11-17 04:42:50,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:42:50,139 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 431 transitions. [2024-11-17 04:42:50,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-17 04:42:50,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:50,139 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:50,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-17 04:42:50,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-17 04:42:50,340 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:50,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:50,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1110223139, now seen corresponding path program 1 times [2024-11-17 04:42:50,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:50,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395398288] [2024-11-17 04:42:50,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:50,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:50,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:50,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:50,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:42:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:50,493 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:42:50,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:50,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395398288] [2024-11-17 04:42:50,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395398288] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:50,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304786764] [2024-11-17 04:42:50,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:50,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:50,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:50,496 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:42:50,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 04:42:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:50,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:42:50,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:50,613 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:50,613 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:42:50,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304786764] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:50,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:42:50,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 3] total 11 [2024-11-17 04:42:50,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657623578] [2024-11-17 04:42:50,758 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:42:50,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:42:50,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:50,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:42:50,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:42:50,760 INFO L87 Difference]: Start difference. First operand 356 states and 431 transitions. Second operand has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-17 04:42:51,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:51,198 INFO L93 Difference]: Finished difference Result 379 states and 446 transitions. [2024-11-17 04:42:51,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-17 04:42:51,198 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 48 [2024-11-17 04:42:51,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:51,200 INFO L225 Difference]: With dead ends: 379 [2024-11-17 04:42:51,200 INFO L226 Difference]: Without dead ends: 360 [2024-11-17 04:42:51,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=468, Unknown=0, NotChecked=0, Total=650 [2024-11-17 04:42:51,201 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 157 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:51,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 196 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:42:51,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-17 04:42:51,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 341. [2024-11-17 04:42:51,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 311 states have (on average 1.1832797427652733) internal successors, (368), 322 states have internal predecessors, (368), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-17 04:42:51,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 396 transitions. [2024-11-17 04:42:51,219 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 396 transitions. Word has length 48 [2024-11-17 04:42:51,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:51,219 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 396 transitions. [2024-11-17 04:42:51,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-17 04:42:51,220 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 396 transitions. [2024-11-17 04:42:51,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-17 04:42:51,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:51,220 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:51,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-17 04:42:51,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-17 04:42:51,421 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:51,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:51,421 INFO L85 PathProgramCache]: Analyzing trace with hash 402735887, now seen corresponding path program 1 times [2024-11-17 04:42:51,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:51,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282709155] [2024-11-17 04:42:51,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:51,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:51,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:51,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:51,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:42:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:51,524 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:42:51,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:51,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282709155] [2024-11-17 04:42:51,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282709155] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:51,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898862736] [2024-11-17 04:42:51,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:51,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:51,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:51,526 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:42:51,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-17 04:42:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:51,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:42:51,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:51,648 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:42:51,648 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:42:51,850 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:42:51,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898862736] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:42:51,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:42:51,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2024-11-17 04:42:51,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572564863] [2024-11-17 04:42:51,851 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:42:51,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-17 04:42:51,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:51,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-17 04:42:51,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:42:51,852 INFO L87 Difference]: Start difference. First operand 341 states and 396 transitions. Second operand has 17 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:42:52,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:52,335 INFO L93 Difference]: Finished difference Result 349 states and 401 transitions. [2024-11-17 04:42:52,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:42:52,336 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 49 [2024-11-17 04:42:52,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:52,339 INFO L225 Difference]: With dead ends: 349 [2024-11-17 04:42:52,339 INFO L226 Difference]: Without dead ends: 346 [2024-11-17 04:42:52,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 90 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2024-11-17 04:42:52,340 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 190 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:52,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 182 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:42:52,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-17 04:42:52,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 338. [2024-11-17 04:42:52,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 311 states have (on average 1.1286173633440515) internal successors, (351), 319 states have internal predecessors, (351), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-17 04:42:52,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 379 transitions. [2024-11-17 04:42:52,351 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 379 transitions. Word has length 49 [2024-11-17 04:42:52,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:52,352 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 379 transitions. [2024-11-17 04:42:52,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:42:52,352 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 379 transitions. [2024-11-17 04:42:52,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-17 04:42:52,353 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:52,353 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:52,365 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-17 04:42:52,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-17 04:42:52,554 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:52,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:52,554 INFO L85 PathProgramCache]: Analyzing trace with hash -400089380, now seen corresponding path program 1 times [2024-11-17 04:42:52,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:52,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585902251] [2024-11-17 04:42:52,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:52,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:42:52,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [147068354] [2024-11-17 04:42:52,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:52,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:52,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:52,569 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:42:52,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-17 04:42:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:52,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 04:42:52,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:52,773 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:52,774 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:42:52,863 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:52,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:52,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585902251] [2024-11-17 04:42:52,864 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:42:52,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147068354] [2024-11-17 04:42:52,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147068354] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:42:52,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:42:52,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-17 04:42:52,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215923305] [2024-11-17 04:42:52,864 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:42:52,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:42:52,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:52,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:42:52,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:42:52,865 INFO L87 Difference]: Start difference. First operand 338 states and 379 transitions. Second operand has 11 states, 10 states have (on average 7.4) internal successors, (74), 11 states have internal predecessors, (74), 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) [2024-11-17 04:42:53,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:53,203 INFO L93 Difference]: Finished difference Result 453 states and 508 transitions. [2024-11-17 04:42:53,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:42:53,204 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.4) internal successors, (74), 11 states have internal predecessors, (74), 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 50 [2024-11-17 04:42:53,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:53,205 INFO L225 Difference]: With dead ends: 453 [2024-11-17 04:42:53,205 INFO L226 Difference]: Without dead ends: 315 [2024-11-17 04:42:53,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2024-11-17 04:42:53,206 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 137 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:53,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 126 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:42:53,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-11-17 04:42:53,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 313. [2024-11-17 04:42:53,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 288 states have (on average 1.09375) internal successors, (315), 295 states have internal predecessors, (315), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-17 04:42:53,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 341 transitions. [2024-11-17 04:42:53,216 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 341 transitions. Word has length 50 [2024-11-17 04:42:53,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:53,216 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 341 transitions. [2024-11-17 04:42:53,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.4) internal successors, (74), 11 states have internal predecessors, (74), 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) [2024-11-17 04:42:53,216 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 341 transitions. [2024-11-17 04:42:53,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-17 04:42:53,217 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:53,217 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:53,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-17 04:42:53,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-17 04:42:53,418 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:53,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:53,419 INFO L85 PathProgramCache]: Analyzing trace with hash -85045206, now seen corresponding path program 2 times [2024-11-17 04:42:53,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:53,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560086069] [2024-11-17 04:42:53,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:53,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:42:53,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [970925717] [2024-11-17 04:42:53,431 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:42:53,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:53,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:53,432 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:42:53,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-17 04:42:53,469 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:42:53,469 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:42:53,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:42:53,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:53,589 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 04:42:53,590 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:42:53,941 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 04:42:53,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:53,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560086069] [2024-11-17 04:42:53,942 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:42:53,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970925717] [2024-11-17 04:42:53,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970925717] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:42:53,942 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:42:53,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-17 04:42:53,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018878754] [2024-11-17 04:42:53,942 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:42:53,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:42:53,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:53,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:42:53,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:42:53,944 INFO L87 Difference]: Start difference. First operand 313 states and 341 transitions. Second operand has 10 states, 9 states have (on average 12.0) internal successors, (108), 10 states have internal predecessors, (108), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:42:54,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:54,574 INFO L93 Difference]: Finished difference Result 507 states and 572 transitions. [2024-11-17 04:42:54,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:42:54,575 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 12.0) internal successors, (108), 10 states have internal predecessors, (108), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 72 [2024-11-17 04:42:54,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:54,577 INFO L225 Difference]: With dead ends: 507 [2024-11-17 04:42:54,577 INFO L226 Difference]: Without dead ends: 494 [2024-11-17 04:42:54,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:42:54,577 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 187 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:54,577 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 327 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:42:54,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2024-11-17 04:42:54,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 449. [2024-11-17 04:42:54,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 418 states have (on average 1.1100478468899522) internal successors, (464), 425 states have internal predecessors, (464), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 18 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-17 04:42:54,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 502 transitions. [2024-11-17 04:42:54,592 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 502 transitions. Word has length 72 [2024-11-17 04:42:54,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:54,592 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 502 transitions. [2024-11-17 04:42:54,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.0) internal successors, (108), 10 states have internal predecessors, (108), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:42:54,592 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 502 transitions. [2024-11-17 04:42:54,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-17 04:42:54,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:54,593 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:54,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-17 04:42:54,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:54,794 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:54,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:54,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1091124918, now seen corresponding path program 1 times [2024-11-17 04:42:54,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:54,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275658928] [2024-11-17 04:42:54,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:54,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:54,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:54,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:54,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:42:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:54,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:42:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:54,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 04:42:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:54,859 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:42:54,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:54,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275658928] [2024-11-17 04:42:54,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275658928] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:54,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294605664] [2024-11-17 04:42:54,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:54,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:54,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:54,861 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:42:54,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-17 04:42:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:54,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:42:54,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:54,946 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:42:54,946 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:42:55,009 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:42:55,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294605664] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:42:55,009 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:42:55,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-17 04:42:55,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227659627] [2024-11-17 04:42:55,009 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:42:55,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:42:55,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:55,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:42:55,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:42:55,010 INFO L87 Difference]: Start difference. First operand 449 states and 502 transitions. Second operand has 9 states, 8 states have (on average 17.625) internal successors, (141), 9 states have internal predecessors, (141), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2024-11-17 04:42:55,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:55,114 INFO L93 Difference]: Finished difference Result 1163 states and 1394 transitions. [2024-11-17 04:42:55,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:42:55,114 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 17.625) internal successors, (141), 9 states have internal predecessors, (141), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) Word has length 84 [2024-11-17 04:42:55,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:55,118 INFO L225 Difference]: With dead ends: 1163 [2024-11-17 04:42:55,119 INFO L226 Difference]: Without dead ends: 1161 [2024-11-17 04:42:55,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:42:55,119 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 57 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:55,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 184 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:42:55,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2024-11-17 04:42:55,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1141. [2024-11-17 04:42:55,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 1078 states have (on average 1.1150278293135436) internal successors, (1202), 1083 states have internal predecessors, (1202), 52 states have call successors, (52), 5 states have call predecessors, (52), 5 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-17 04:42:55,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1306 transitions. [2024-11-17 04:42:55,165 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1306 transitions. Word has length 84 [2024-11-17 04:42:55,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:55,165 INFO L471 AbstractCegarLoop]: Abstraction has 1141 states and 1306 transitions. [2024-11-17 04:42:55,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 17.625) internal successors, (141), 9 states have internal predecessors, (141), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2024-11-17 04:42:55,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1306 transitions. [2024-11-17 04:42:55,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-17 04:42:55,167 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:55,167 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-17 04:42:55,179 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-17 04:42:55,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:55,368 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:55,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:55,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1949993871, now seen corresponding path program 1 times [2024-11-17 04:42:55,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:55,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382971317] [2024-11-17 04:42:55,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:55,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:55,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:55,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:55,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:42:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:55,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:42:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:55,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 04:42:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:55,465 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 62 proven. 16 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-17 04:42:55,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:55,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382971317] [2024-11-17 04:42:55,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382971317] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:55,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457412091] [2024-11-17 04:42:55,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:55,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:55,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:55,469 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:42:55,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-17 04:42:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:55,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:42:55,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:55,582 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 62 proven. 16 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-17 04:42:55,582 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:42:55,651 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 27 proven. 51 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-17 04:42:55,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457412091] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:42:55,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:42:55,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2024-11-17 04:42:55,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304116439] [2024-11-17 04:42:55,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:42:55,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:42:55,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:55,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:42:55,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:42:55,653 INFO L87 Difference]: Start difference. First operand 1141 states and 1306 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:42:55,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:55,721 INFO L93 Difference]: Finished difference Result 1407 states and 1604 transitions. [2024-11-17 04:42:55,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:42:55,721 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 100 [2024-11-17 04:42:55,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:55,724 INFO L225 Difference]: With dead ends: 1407 [2024-11-17 04:42:55,724 INFO L226 Difference]: Without dead ends: 788 [2024-11-17 04:42:55,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:42:55,727 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 17 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:55,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 145 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:42:55,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2024-11-17 04:42:55,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 785. [2024-11-17 04:42:55,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 739 states have (on average 1.0960757780784844) internal successors, (810), 744 states have internal predecessors, (810), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-17 04:42:55,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 880 transitions. [2024-11-17 04:42:55,772 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 880 transitions. Word has length 100 [2024-11-17 04:42:55,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:55,773 INFO L471 AbstractCegarLoop]: Abstraction has 785 states and 880 transitions. [2024-11-17 04:42:55,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:42:55,773 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 880 transitions. [2024-11-17 04:42:55,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-17 04:42:55,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:55,774 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-17 04:42:55,787 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-17 04:42:55,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:55,978 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:55,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:55,979 INFO L85 PathProgramCache]: Analyzing trace with hash 720237840, now seen corresponding path program 2 times [2024-11-17 04:42:55,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:55,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958453123] [2024-11-17 04:42:55,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:55,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:56,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:56,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:56,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:42:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:56,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:42:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:56,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 04:42:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:56,105 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 6 proven. 81 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-17 04:42:56,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:56,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958453123] [2024-11-17 04:42:56,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958453123] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:56,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875972561] [2024-11-17 04:42:56,107 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:42:56,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:56,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:56,108 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:42:56,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-17 04:42:56,149 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:42:56,149 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:42:56,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-17 04:42:56,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:56,324 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 42 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-17 04:42:56,324 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:42:56,522 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-17 04:42:56,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875972561] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:42:56,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:42:56,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 18 [2024-11-17 04:42:56,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110568404] [2024-11-17 04:42:56,523 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:42:56,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-17 04:42:56,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:56,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-17 04:42:56,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2024-11-17 04:42:56,525 INFO L87 Difference]: Start difference. First operand 785 states and 880 transitions. Second operand has 19 states, 18 states have (on average 7.777777777777778) internal successors, (140), 18 states have internal predecessors, (140), 8 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2024-11-17 04:42:57,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:57,262 INFO L93 Difference]: Finished difference Result 799 states and 894 transitions. [2024-11-17 04:42:57,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-17 04:42:57,262 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 7.777777777777778) internal successors, (140), 18 states have internal predecessors, (140), 8 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) Word has length 100 [2024-11-17 04:42:57,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:57,264 INFO L225 Difference]: With dead ends: 799 [2024-11-17 04:42:57,264 INFO L226 Difference]: Without dead ends: 789 [2024-11-17 04:42:57,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 191 SyntacticMatches, 7 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 741 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=675, Invalid=2187, Unknown=0, NotChecked=0, Total=2862 [2024-11-17 04:42:57,266 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 233 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:57,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 316 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:42:57,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2024-11-17 04:42:57,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 779. [2024-11-17 04:42:57,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 735 states have (on average 1.0489795918367346) internal successors, (771), 738 states have internal predecessors, (771), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-17 04:42:57,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 841 transitions. [2024-11-17 04:42:57,290 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 841 transitions. Word has length 100 [2024-11-17 04:42:57,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:57,290 INFO L471 AbstractCegarLoop]: Abstraction has 779 states and 841 transitions. [2024-11-17 04:42:57,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 7.777777777777778) internal successors, (140), 18 states have internal predecessors, (140), 8 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2024-11-17 04:42:57,290 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 841 transitions. [2024-11-17 04:42:57,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-17 04:42:57,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:57,291 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:57,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-17 04:42:57,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:57,492 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:57,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:57,492 INFO L85 PathProgramCache]: Analyzing trace with hash 212705342, now seen corresponding path program 1 times [2024-11-17 04:42:57,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:57,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499975602] [2024-11-17 04:42:57,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:57,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:57,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:57,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:57,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:57,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:42:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:57,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:42:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:57,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 04:42:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:57,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 04:42:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:57,558 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:42:57,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:57,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499975602] [2024-11-17 04:42:57,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499975602] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:57,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319943502] [2024-11-17 04:42:57,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:57,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:57,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:57,560 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:42:57,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-17 04:42:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:57,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:42:57,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:57,671 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:42:57,671 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:42:57,797 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:42:57,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319943502] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:42:57,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:42:57,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-17 04:42:57,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743590787] [2024-11-17 04:42:57,797 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:42:57,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:42:57,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:57,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:42:57,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:42:57,798 INFO L87 Difference]: Start difference. First operand 779 states and 841 transitions. Second operand has 11 states, 10 states have (on average 18.9) internal successors, (189), 11 states have internal predecessors, (189), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-17 04:42:57,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:57,920 INFO L93 Difference]: Finished difference Result 1861 states and 2040 transitions. [2024-11-17 04:42:57,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:42:57,920 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 18.9) internal successors, (189), 11 states have internal predecessors, (189), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 113 [2024-11-17 04:42:57,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:57,925 INFO L225 Difference]: With dead ends: 1861 [2024-11-17 04:42:57,925 INFO L226 Difference]: Without dead ends: 1860 [2024-11-17 04:42:57,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:42:57,926 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 141 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:57,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 244 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:42:57,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2024-11-17 04:42:57,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1840. [2024-11-17 04:42:57,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1840 states, 1748 states have (on average 1.05720823798627) internal successors, (1848), 1751 states have internal predecessors, (1848), 83 states have call successors, (83), 5 states have call predecessors, (83), 5 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-17 04:42:57,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1840 states and 2014 transitions. [2024-11-17 04:42:57,978 INFO L78 Accepts]: Start accepts. Automaton has 1840 states and 2014 transitions. Word has length 113 [2024-11-17 04:42:57,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:57,979 INFO L471 AbstractCegarLoop]: Abstraction has 1840 states and 2014 transitions. [2024-11-17 04:42:57,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 18.9) internal successors, (189), 11 states have internal predecessors, (189), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-17 04:42:57,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2014 transitions. [2024-11-17 04:42:57,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-17 04:42:57,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:57,980 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:57,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-17 04:42:58,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:58,180 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:58,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:58,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1596865660, now seen corresponding path program 1 times [2024-11-17 04:42:58,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:58,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384037066] [2024-11-17 04:42:58,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:58,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:58,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:58,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:58,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:42:58,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:58,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:42:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:58,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 04:42:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:58,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 04:42:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:58,265 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 91 proven. 32 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-17 04:42:58,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:58,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384037066] [2024-11-17 04:42:58,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384037066] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:58,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247262612] [2024-11-17 04:42:58,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:58,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:58,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:58,268 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:42:58,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-17 04:42:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:58,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:42:58,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:58,418 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 103 proven. 32 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-17 04:42:58,418 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:42:58,498 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 91 proven. 32 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-17 04:42:58,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247262612] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:42:58,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:42:58,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-17 04:42:58,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828466507] [2024-11-17 04:42:58,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:42:58,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:42:58,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:58,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:42:58,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:42:58,500 INFO L87 Difference]: Start difference. First operand 1840 states and 2014 transitions. Second operand has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2024-11-17 04:42:58,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:58,649 INFO L93 Difference]: Finished difference Result 1930 states and 2109 transitions. [2024-11-17 04:42:58,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:42:58,649 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) Word has length 124 [2024-11-17 04:42:58,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:58,654 INFO L225 Difference]: With dead ends: 1930 [2024-11-17 04:42:58,654 INFO L226 Difference]: Without dead ends: 1752 [2024-11-17 04:42:58,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 254 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:42:58,655 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 48 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:58,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 313 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:42:58,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1752 states. [2024-11-17 04:42:58,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1752 to 1748. [2024-11-17 04:42:58,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1748 states, 1659 states have (on average 1.0500301386377335) internal successors, (1742), 1662 states have internal predecessors, (1742), 80 states have call successors, (80), 5 states have call predecessors, (80), 5 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-17 04:42:58,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 1748 states and 1902 transitions. [2024-11-17 04:42:58,703 INFO L78 Accepts]: Start accepts. Automaton has 1748 states and 1902 transitions. Word has length 124 [2024-11-17 04:42:58,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:58,703 INFO L471 AbstractCegarLoop]: Abstraction has 1748 states and 1902 transitions. [2024-11-17 04:42:58,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2024-11-17 04:42:58,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 1902 transitions. [2024-11-17 04:42:58,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-17 04:42:58,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:58,704 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:58,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-17 04:42:58,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:58,909 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:58,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:58,909 INFO L85 PathProgramCache]: Analyzing trace with hash -329934716, now seen corresponding path program 2 times [2024-11-17 04:42:58,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:58,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813644569] [2024-11-17 04:42:58,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:58,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:59,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:59,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:59,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:42:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:59,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:42:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:59,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 04:42:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:59,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 04:42:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:59,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-17 04:42:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:59,032 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 69 proven. 140 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-17 04:42:59,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:59,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813644569] [2024-11-17 04:42:59,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813644569] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:59,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799189940] [2024-11-17 04:42:59,032 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:42:59,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:59,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:59,034 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:42:59,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-17 04:42:59,079 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:42:59,080 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:42:59,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 04:42:59,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:59,289 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 249 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:59,290 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:42:59,535 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 209 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-17 04:42:59,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799189940] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:42:59,535 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:42:59,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 13, 14] total 32 [2024-11-17 04:42:59,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711320761] [2024-11-17 04:42:59,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:42:59,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-17 04:42:59,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:59,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-17 04:42:59,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=795, Unknown=0, NotChecked=0, Total=992 [2024-11-17 04:42:59,537 INFO L87 Difference]: Start difference. First operand 1748 states and 1902 transitions. Second operand has 32 states, 32 states have (on average 11.40625) internal successors, (365), 32 states have internal predecessors, (365), 18 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 18 states have call predecessors, (21), 18 states have call successors, (21) [2024-11-17 04:43:02,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:02,599 INFO L93 Difference]: Finished difference Result 6109 states and 6630 transitions. [2024-11-17 04:43:02,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2024-11-17 04:43:02,602 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 11.40625) internal successors, (365), 32 states have internal predecessors, (365), 18 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 18 states have call predecessors, (21), 18 states have call successors, (21) Word has length 150 [2024-11-17 04:43:02,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:02,612 INFO L225 Difference]: With dead ends: 6109 [2024-11-17 04:43:02,612 INFO L226 Difference]: Without dead ends: 5026 [2024-11-17 04:43:02,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16442 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=5428, Invalid=35984, Unknown=0, NotChecked=0, Total=41412 [2024-11-17 04:43:02,621 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 1225 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 1749 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1225 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 1841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:02,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1225 Valid, 762 Invalid, 1841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 1749 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:43:02,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5026 states. [2024-11-17 04:43:02,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5026 to 4125. [2024-11-17 04:43:02,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4125 states, 3925 states have (on average 1.0415286624203821) internal successors, (4088), 3938 states have internal predecessors, (4088), 183 states have call successors, (183), 13 states have call predecessors, (183), 13 states have return successors, (183), 173 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-17 04:43:02,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4125 states to 4125 states and 4454 transitions. [2024-11-17 04:43:02,771 INFO L78 Accepts]: Start accepts. Automaton has 4125 states and 4454 transitions. Word has length 150 [2024-11-17 04:43:02,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:02,771 INFO L471 AbstractCegarLoop]: Abstraction has 4125 states and 4454 transitions. [2024-11-17 04:43:02,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 11.40625) internal successors, (365), 32 states have internal predecessors, (365), 18 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 18 states have call predecessors, (21), 18 states have call successors, (21) [2024-11-17 04:43:02,776 INFO L276 IsEmpty]: Start isEmpty. Operand 4125 states and 4454 transitions. [2024-11-17 04:43:02,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-17 04:43:02,778 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:02,778 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:02,791 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-17 04:43:02,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-17 04:43:02,979 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:02,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:02,979 INFO L85 PathProgramCache]: Analyzing trace with hash 908964178, now seen corresponding path program 3 times [2024-11-17 04:43:02,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:02,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949986216] [2024-11-17 04:43:02,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:02,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:02,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [424317712] [2024-11-17 04:43:02,997 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:43:02,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:02,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:02,999 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:03,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-17 04:43:03,045 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-17 04:43:03,045 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:03,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:43:03,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:03,097 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 154 proven. 10 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-11-17 04:43:03,097 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:03,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:03,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949986216] [2024-11-17 04:43:03,655 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:03,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424317712] [2024-11-17 04:43:03,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424317712] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:03,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:03,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-17 04:43:03,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130511448] [2024-11-17 04:43:03,656 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:03,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:43:03,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:03,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:43:03,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:43:03,656 INFO L87 Difference]: Start difference. First operand 4125 states and 4454 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 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) [2024-11-17 04:43:03,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:03,821 INFO L93 Difference]: Finished difference Result 4130 states and 4456 transitions. [2024-11-17 04:43:03,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:43:03,822 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 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 176 [2024-11-17 04:43:03,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:03,831 INFO L225 Difference]: With dead ends: 4130 [2024-11-17 04:43:03,831 INFO L226 Difference]: Without dead ends: 4126 [2024-11-17 04:43:03,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:43:03,832 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 20 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:03,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 168 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:03,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4126 states. [2024-11-17 04:43:03,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4126 to 4110. [2024-11-17 04:43:03,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4110 states, 3910 states have (on average 1.0396419437340154) internal successors, (4065), 3924 states have internal predecessors, (4065), 183 states have call successors, (183), 13 states have call predecessors, (183), 13 states have return successors, (183), 172 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-17 04:43:03,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4110 states to 4110 states and 4431 transitions. [2024-11-17 04:43:03,951 INFO L78 Accepts]: Start accepts. Automaton has 4110 states and 4431 transitions. Word has length 176 [2024-11-17 04:43:03,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:03,951 INFO L471 AbstractCegarLoop]: Abstraction has 4110 states and 4431 transitions. [2024-11-17 04:43:03,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 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) [2024-11-17 04:43:03,951 INFO L276 IsEmpty]: Start isEmpty. Operand 4110 states and 4431 transitions. [2024-11-17 04:43:03,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-17 04:43:03,953 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:03,953 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:03,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:04,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-17 04:43:04,154 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:04,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:04,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1973185583, now seen corresponding path program 1 times [2024-11-17 04:43:04,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:04,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028964417] [2024-11-17 04:43:04,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:04,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:04,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1419147382] [2024-11-17 04:43:04,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:04,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:04,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:04,171 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:04,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-17 04:43:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:04,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-17 04:43:04,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:05,258 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 15 proven. 321 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-17 04:43:05,259 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:10,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:10,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028964417] [2024-11-17 04:43:10,124 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:10,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419147382] [2024-11-17 04:43:10,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419147382] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:10,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:10,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2024-11-17 04:43:10,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65921844] [2024-11-17 04:43:10,125 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:10,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-17 04:43:10,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:10,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-17 04:43:10,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=731, Unknown=1, NotChecked=0, Total=870 [2024-11-17 04:43:10,126 INFO L87 Difference]: Start difference. First operand 4110 states and 4431 transitions. Second operand has 25 states, 23 states have (on average 6.434782608695652) internal successors, (148), 23 states have internal predecessors, (148), 8 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:43:11,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:11,377 INFO L93 Difference]: Finished difference Result 4316 states and 4651 transitions. [2024-11-17 04:43:11,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-17 04:43:11,378 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 6.434782608695652) internal successors, (148), 23 states have internal predecessors, (148), 8 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Word has length 176 [2024-11-17 04:43:11,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:11,388 INFO L225 Difference]: With dead ends: 4316 [2024-11-17 04:43:11,388 INFO L226 Difference]: Without dead ends: 4315 [2024-11-17 04:43:11,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=412, Invalid=1843, Unknown=1, NotChecked=0, Total=2256 [2024-11-17 04:43:11,390 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 188 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:11,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 603 Invalid, 1228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1220 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:43:11,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4315 states. [2024-11-17 04:43:11,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4315 to 4110. [2024-11-17 04:43:11,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4110 states, 3910 states have (on average 1.039386189258312) internal successors, (4064), 3924 states have internal predecessors, (4064), 183 states have call successors, (183), 13 states have call predecessors, (183), 13 states have return successors, (183), 172 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-17 04:43:11,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4110 states to 4110 states and 4430 transitions. [2024-11-17 04:43:11,527 INFO L78 Accepts]: Start accepts. Automaton has 4110 states and 4430 transitions. Word has length 176 [2024-11-17 04:43:11,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:11,527 INFO L471 AbstractCegarLoop]: Abstraction has 4110 states and 4430 transitions. [2024-11-17 04:43:11,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 6.434782608695652) internal successors, (148), 23 states have internal predecessors, (148), 8 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:43:11,528 INFO L276 IsEmpty]: Start isEmpty. Operand 4110 states and 4430 transitions. [2024-11-17 04:43:11,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-17 04:43:11,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:11,530 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:11,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:11,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-17 04:43:11,734 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:11,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:11,734 INFO L85 PathProgramCache]: Analyzing trace with hash -878563378, now seen corresponding path program 2 times [2024-11-17 04:43:11,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:11,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713744624] [2024-11-17 04:43:11,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:11,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:11,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1713005657] [2024-11-17 04:43:11,747 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:43:11,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:11,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:11,749 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:11,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-17 04:43:11,796 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:43:11,796 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:11,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:43:11,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:12,045 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-17 04:43:12,045 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:12,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:12,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713744624] [2024-11-17 04:43:12,615 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:12,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713005657] [2024-11-17 04:43:12,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713005657] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:12,615 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:12,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-17 04:43:12,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136117996] [2024-11-17 04:43:12,616 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:12,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:43:12,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:12,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:43:12,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:43:12,616 INFO L87 Difference]: Start difference. First operand 4110 states and 4430 transitions. Second operand has 8 states, 7 states have (on average 15.285714285714286) internal successors, (107), 8 states have internal predecessors, (107), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:12,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:12,835 INFO L93 Difference]: Finished difference Result 4546 states and 4900 transitions. [2024-11-17 04:43:12,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:43:12,836 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.285714285714286) internal successors, (107), 8 states have internal predecessors, (107), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 176 [2024-11-17 04:43:12,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:12,846 INFO L225 Difference]: With dead ends: 4546 [2024-11-17 04:43:12,847 INFO L226 Difference]: Without dead ends: 4542 [2024-11-17 04:43:12,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:43:12,848 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 25 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:12,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 318 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:12,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4542 states. [2024-11-17 04:43:12,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4542 to 4075. [2024-11-17 04:43:12,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4075 states, 3876 states have (on average 1.0389576883384932) internal successors, (4027), 3890 states have internal predecessors, (4027), 182 states have call successors, (182), 13 states have call predecessors, (182), 13 states have return successors, (182), 171 states have call predecessors, (182), 182 states have call successors, (182) [2024-11-17 04:43:12,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4075 states to 4075 states and 4391 transitions. [2024-11-17 04:43:12,988 INFO L78 Accepts]: Start accepts. Automaton has 4075 states and 4391 transitions. Word has length 176 [2024-11-17 04:43:12,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:12,989 INFO L471 AbstractCegarLoop]: Abstraction has 4075 states and 4391 transitions. [2024-11-17 04:43:12,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.285714285714286) internal successors, (107), 8 states have internal predecessors, (107), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:12,989 INFO L276 IsEmpty]: Start isEmpty. Operand 4075 states and 4391 transitions. [2024-11-17 04:43:12,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-17 04:43:12,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:12,991 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:13,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-17 04:43:13,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:13,192 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:13,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:13,192 INFO L85 PathProgramCache]: Analyzing trace with hash -2124937510, now seen corresponding path program 2 times [2024-11-17 04:43:13,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:13,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636927388] [2024-11-17 04:43:13,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:13,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:43:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:43:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 04:43:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 04:43:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-17 04:43:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-17 04:43:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-17 04:43:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,324 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-17 04:43:13,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:13,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636927388] [2024-11-17 04:43:13,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636927388] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:13,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634799263] [2024-11-17 04:43:13,324 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:43:13,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:13,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:13,326 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:13,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-17 04:43:13,378 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:43:13,378 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:13,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:43:13,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:13,503 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-17 04:43:13,503 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:13,706 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-17 04:43:13,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634799263] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:13,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:13,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2024-11-17 04:43:13,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136006898] [2024-11-17 04:43:13,707 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:13,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-17 04:43:13,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:13,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-17 04:43:13,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:43:13,708 INFO L87 Difference]: Start difference. First operand 4075 states and 4391 transitions. Second operand has 17 states, 16 states have (on average 19.3125) internal successors, (309), 17 states have internal predecessors, (309), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2024-11-17 04:43:13,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:13,965 INFO L93 Difference]: Finished difference Result 5731 states and 6274 transitions. [2024-11-17 04:43:13,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-17 04:43:13,966 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 19.3125) internal successors, (309), 17 states have internal predecessors, (309), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) Word has length 188 [2024-11-17 04:43:13,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:13,975 INFO L225 Difference]: With dead ends: 5731 [2024-11-17 04:43:13,975 INFO L226 Difference]: Without dead ends: 5730 [2024-11-17 04:43:13,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:43:13,977 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 32 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:13,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 238 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:13,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5730 states. [2024-11-17 04:43:14,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5730 to 5730. [2024-11-17 04:43:14,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5730 states, 5456 states have (on average 1.0403225806451613) internal successors, (5676), 5469 states have internal predecessors, (5676), 257 states have call successors, (257), 13 states have call predecessors, (257), 13 states have return successors, (257), 247 states have call predecessors, (257), 257 states have call successors, (257) [2024-11-17 04:43:14,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5730 states to 5730 states and 6190 transitions. [2024-11-17 04:43:14,144 INFO L78 Accepts]: Start accepts. Automaton has 5730 states and 6190 transitions. Word has length 188 [2024-11-17 04:43:14,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:14,144 INFO L471 AbstractCegarLoop]: Abstraction has 5730 states and 6190 transitions. [2024-11-17 04:43:14,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 19.3125) internal successors, (309), 17 states have internal predecessors, (309), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2024-11-17 04:43:14,145 INFO L276 IsEmpty]: Start isEmpty. Operand 5730 states and 6190 transitions. [2024-11-17 04:43:14,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-17 04:43:14,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:14,147 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:14,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-17 04:43:14,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-17 04:43:14,352 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:14,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:14,352 INFO L85 PathProgramCache]: Analyzing trace with hash -627592680, now seen corresponding path program 3 times [2024-11-17 04:43:14,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:14,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770308553] [2024-11-17 04:43:14,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:14,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:14,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:14,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:14,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:43:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:14,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:43:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:14,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 04:43:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:14,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 04:43:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:14,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-17 04:43:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:14,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-17 04:43:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:14,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-17 04:43:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:14,481 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 153 proven. 267 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-17 04:43:14,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:14,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770308553] [2024-11-17 04:43:14,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770308553] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:14,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661601158] [2024-11-17 04:43:14,481 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:43:14,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:14,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:14,483 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:14,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-17 04:43:14,536 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-17 04:43:14,536 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:14,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-17 04:43:14,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:15,590 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 234 proven. 148 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-17 04:43:15,591 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:17,063 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 274 proven. 78 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-11-17 04:43:17,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661601158] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:17,063 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:17,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 18, 13] total 36 [2024-11-17 04:43:17,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642410014] [2024-11-17 04:43:17,063 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:17,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-17 04:43:17,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:17,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-17 04:43:17,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=1071, Unknown=0, NotChecked=0, Total=1260 [2024-11-17 04:43:17,065 INFO L87 Difference]: Start difference. First operand 5730 states and 6190 transitions. Second operand has 36 states, 36 states have (on average 10.194444444444445) internal successors, (367), 36 states have internal predecessors, (367), 14 states have call successors, (17), 1 states have call predecessors, (17), 3 states have return successors, (19), 15 states have call predecessors, (19), 14 states have call successors, (19) [2024-11-17 04:43:21,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:21,488 INFO L93 Difference]: Finished difference Result 10998 states and 11921 transitions. [2024-11-17 04:43:21,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-11-17 04:43:21,488 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 10.194444444444445) internal successors, (367), 36 states have internal predecessors, (367), 14 states have call successors, (17), 1 states have call predecessors, (17), 3 states have return successors, (19), 15 states have call predecessors, (19), 14 states have call successors, (19) Word has length 202 [2024-11-17 04:43:21,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:21,500 INFO L225 Difference]: With dead ends: 10998 [2024-11-17 04:43:21,500 INFO L226 Difference]: Without dead ends: 6769 [2024-11-17 04:43:21,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2955 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=1605, Invalid=8901, Unknown=0, NotChecked=0, Total=10506 [2024-11-17 04:43:21,507 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 481 mSDsluCounter, 1126 mSDsCounter, 0 mSdLazyCounter, 3188 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 3275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 3188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:21,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 1197 Invalid, 3275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 3188 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-17 04:43:21,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6769 states. [2024-11-17 04:43:21,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6769 to 5079. [2024-11-17 04:43:21,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5079 states, 4835 states have (on average 1.032678386763185) internal successors, (4993), 4851 states have internal predecessors, (4993), 227 states have call successors, (227), 13 states have call predecessors, (227), 13 states have return successors, (227), 214 states have call predecessors, (227), 227 states have call successors, (227) [2024-11-17 04:43:21,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5079 states to 5079 states and 5447 transitions. [2024-11-17 04:43:21,703 INFO L78 Accepts]: Start accepts. Automaton has 5079 states and 5447 transitions. Word has length 202 [2024-11-17 04:43:21,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:21,703 INFO L471 AbstractCegarLoop]: Abstraction has 5079 states and 5447 transitions. [2024-11-17 04:43:21,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 10.194444444444445) internal successors, (367), 36 states have internal predecessors, (367), 14 states have call successors, (17), 1 states have call predecessors, (17), 3 states have return successors, (19), 15 states have call predecessors, (19), 14 states have call successors, (19) [2024-11-17 04:43:21,704 INFO L276 IsEmpty]: Start isEmpty. Operand 5079 states and 5447 transitions. [2024-11-17 04:43:21,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-17 04:43:21,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:21,706 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:21,718 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-17 04:43:21,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:21,911 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:21,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:21,911 INFO L85 PathProgramCache]: Analyzing trace with hash 2044779106, now seen corresponding path program 4 times [2024-11-17 04:43:21,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:21,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469597538] [2024-11-17 04:43:21,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:21,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:21,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1612099806] [2024-11-17 04:43:21,929 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 04:43:21,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:21,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:21,931 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:21,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-17 04:43:21,996 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 04:43:21,997 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:21,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-17 04:43:22,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:23,301 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 27 proven. 588 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-17 04:43:23,301 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:23,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:23,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469597538] [2024-11-17 04:43:23,875 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:23,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612099806] [2024-11-17 04:43:23,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612099806] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:23,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:23,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2024-11-17 04:43:23,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971063020] [2024-11-17 04:43:23,876 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:23,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-17 04:43:23,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:23,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-17 04:43:23,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=932, Unknown=0, NotChecked=0, Total=1122 [2024-11-17 04:43:23,877 INFO L87 Difference]: Start difference. First operand 5079 states and 5447 transitions. Second operand has 29 states, 27 states have (on average 7.037037037037037) internal successors, (190), 27 states have internal predecessors, (190), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:43:25,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:25,033 INFO L93 Difference]: Finished difference Result 5348 states and 5727 transitions. [2024-11-17 04:43:25,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-17 04:43:25,033 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 27 states have (on average 7.037037037037037) internal successors, (190), 27 states have internal predecessors, (190), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Word has length 228 [2024-11-17 04:43:25,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:25,041 INFO L225 Difference]: With dead ends: 5348 [2024-11-17 04:43:25,041 INFO L226 Difference]: Without dead ends: 5347 [2024-11-17 04:43:25,043 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1050 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=798, Invalid=3234, Unknown=0, NotChecked=0, Total=4032 [2024-11-17 04:43:25,043 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 259 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 1185 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:25,044 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 552 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1185 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:43:25,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5347 states. [2024-11-17 04:43:25,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5347 to 5079. [2024-11-17 04:43:25,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5079 states, 4835 states have (on average 1.0324715615305067) internal successors, (4992), 4851 states have internal predecessors, (4992), 227 states have call successors, (227), 13 states have call predecessors, (227), 13 states have return successors, (227), 214 states have call predecessors, (227), 227 states have call successors, (227) [2024-11-17 04:43:25,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5079 states to 5079 states and 5446 transitions. [2024-11-17 04:43:25,226 INFO L78 Accepts]: Start accepts. Automaton has 5079 states and 5446 transitions. Word has length 228 [2024-11-17 04:43:25,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:25,226 INFO L471 AbstractCegarLoop]: Abstraction has 5079 states and 5446 transitions. [2024-11-17 04:43:25,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 27 states have (on average 7.037037037037037) internal successors, (190), 27 states have internal predecessors, (190), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:43:25,226 INFO L276 IsEmpty]: Start isEmpty. Operand 5079 states and 5446 transitions. [2024-11-17 04:43:25,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-17 04:43:25,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:25,228 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:25,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-17 04:43:25,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-17 04:43:25,433 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:25,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:25,433 INFO L85 PathProgramCache]: Analyzing trace with hash -2054778848, now seen corresponding path program 5 times [2024-11-17 04:43:25,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:25,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491744940] [2024-11-17 04:43:25,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:25,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:25,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2118615536] [2024-11-17 04:43:25,454 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-17 04:43:25,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:25,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:25,455 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:25,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-17 04:43:25,524 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-11-17 04:43:25,524 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:25,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-17 04:43:25,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:26,210 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 12 proven. 609 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-17 04:43:26,210 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:26,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:26,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491744940] [2024-11-17 04:43:26,502 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:26,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118615536] [2024-11-17 04:43:26,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118615536] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:26,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:26,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2024-11-17 04:43:26,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280028160] [2024-11-17 04:43:26,503 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:26,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-17 04:43:26,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:26,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-17 04:43:26,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=427, Unknown=0, NotChecked=0, Total=506 [2024-11-17 04:43:26,504 INFO L87 Difference]: Start difference. First operand 5079 states and 5446 transitions. Second operand has 20 states, 19 states have (on average 9.842105263157896) internal successors, (187), 20 states have internal predecessors, (187), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-17 04:43:27,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:27,220 INFO L93 Difference]: Finished difference Result 7991 states and 8597 transitions. [2024-11-17 04:43:27,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-17 04:43:27,221 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 9.842105263157896) internal successors, (187), 20 states have internal predecessors, (187), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) Word has length 228 [2024-11-17 04:43:27,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:27,227 INFO L225 Difference]: With dead ends: 7991 [2024-11-17 04:43:27,227 INFO L226 Difference]: Without dead ends: 5274 [2024-11-17 04:43:27,229 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2024-11-17 04:43:27,230 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 28 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 2025 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1149 SdHoareTripleChecker+Invalid, 2026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:27,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1149 Invalid, 2026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2025 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:43:27,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5274 states. [2024-11-17 04:43:27,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5274 to 5000. [2024-11-17 04:43:27,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5000 states, 4759 states have (on average 1.0319394830846818) internal successors, (4911), 4775 states have internal predecessors, (4911), 224 states have call successors, (224), 13 states have call predecessors, (224), 13 states have return successors, (224), 211 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-17 04:43:27,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5000 states to 5000 states and 5359 transitions. [2024-11-17 04:43:27,394 INFO L78 Accepts]: Start accepts. Automaton has 5000 states and 5359 transitions. Word has length 228 [2024-11-17 04:43:27,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:27,394 INFO L471 AbstractCegarLoop]: Abstraction has 5000 states and 5359 transitions. [2024-11-17 04:43:27,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 9.842105263157896) internal successors, (187), 20 states have internal predecessors, (187), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-17 04:43:27,394 INFO L276 IsEmpty]: Start isEmpty. Operand 5000 states and 5359 transitions. [2024-11-17 04:43:27,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2024-11-17 04:43:27,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:27,396 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:27,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:27,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:27,600 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:27,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:27,600 INFO L85 PathProgramCache]: Analyzing trace with hash 584262732, now seen corresponding path program 2 times [2024-11-17 04:43:27,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:27,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539151674] [2024-11-17 04:43:27,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:27,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:27,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:27,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:27,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:43:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:27,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:43:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:27,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 04:43:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:27,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 04:43:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:27,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-17 04:43:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:27,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-17 04:43:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:27,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-17 04:43:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:27,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-17 04:43:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:27,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-17 04:43:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:27,795 INFO L134 CoverageAnalysis]: Checked inductivity of 908 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-17 04:43:27,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:27,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539151674] [2024-11-17 04:43:27,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539151674] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:27,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362550315] [2024-11-17 04:43:27,795 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:43:27,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:27,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:27,797 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:27,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-17 04:43:27,856 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:43:27,856 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:27,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:43:27,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 908 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-17 04:43:28,025 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:28,234 INFO L134 CoverageAnalysis]: Checked inductivity of 908 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-17 04:43:28,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362550315] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:28,234 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:28,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2024-11-17 04:43:28,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781999099] [2024-11-17 04:43:28,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:28,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-17 04:43:28,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:28,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-17 04:43:28,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-17 04:43:28,236 INFO L87 Difference]: Start difference. First operand 5000 states and 5359 transitions. Second operand has 21 states, 20 states have (on average 19.95) internal successors, (399), 21 states have internal predecessors, (399), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-17 04:43:28,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:28,922 INFO L93 Difference]: Finished difference Result 13580 states and 14527 transitions. [2024-11-17 04:43:28,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-17 04:43:28,923 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 19.95) internal successors, (399), 21 states have internal predecessors, (399), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) Word has length 243 [2024-11-17 04:43:28,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:28,940 INFO L225 Difference]: With dead ends: 13580 [2024-11-17 04:43:28,940 INFO L226 Difference]: Without dead ends: 13579 [2024-11-17 04:43:28,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 497 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-17 04:43:28,943 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 351 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:28,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 509 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:28,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13579 states. [2024-11-17 04:43:29,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13579 to 9020. [2024-11-17 04:43:29,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9020 states, 8602 states have (on average 1.0372006510113927) internal successors, (8922), 8617 states have internal predecessors, (8922), 401 states have call successors, (401), 13 states have call predecessors, (401), 13 states have return successors, (401), 389 states have call predecessors, (401), 401 states have call successors, (401) [2024-11-17 04:43:29,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9020 states to 9020 states and 9724 transitions. [2024-11-17 04:43:29,309 INFO L78 Accepts]: Start accepts. Automaton has 9020 states and 9724 transitions. Word has length 243 [2024-11-17 04:43:29,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:29,310 INFO L471 AbstractCegarLoop]: Abstraction has 9020 states and 9724 transitions. [2024-11-17 04:43:29,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 19.95) internal successors, (399), 21 states have internal predecessors, (399), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-17 04:43:29,311 INFO L276 IsEmpty]: Start isEmpty. Operand 9020 states and 9724 transitions. [2024-11-17 04:43:29,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-17 04:43:29,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:29,313 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:29,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:29,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:29,518 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:29,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:29,518 INFO L85 PathProgramCache]: Analyzing trace with hash 534114825, now seen corresponding path program 6 times [2024-11-17 04:43:29,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:29,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78934083] [2024-11-17 04:43:29,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:29,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:29,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:29,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:29,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:43:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:29,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:43:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:29,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 04:43:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:29,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 04:43:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:29,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-17 04:43:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:29,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-17 04:43:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:29,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-17 04:43:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:29,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-17 04:43:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:29,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-17 04:43:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:29,695 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 211 proven. 560 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-17 04:43:29,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:29,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78934083] [2024-11-17 04:43:29,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78934083] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:29,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308918826] [2024-11-17 04:43:29,695 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-17 04:43:29,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:29,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:29,697 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:29,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-17 04:43:29,799 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-11-17 04:43:29,800 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:29,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:43:29,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:30,058 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 265 proven. 506 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-17 04:43:30,058 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:30,265 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 265 proven. 506 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-17 04:43:30,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308918826] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:30,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:30,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 18 [2024-11-17 04:43:30,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727436835] [2024-11-17 04:43:30,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:30,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-17 04:43:30,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:30,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-17 04:43:30,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2024-11-17 04:43:30,267 INFO L87 Difference]: Start difference. First operand 9020 states and 9724 transitions. Second operand has 18 states, 18 states have (on average 18.22222222222222) internal successors, (328), 18 states have internal predecessors, (328), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2024-11-17 04:43:31,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:31,018 INFO L93 Difference]: Finished difference Result 20385 states and 22065 transitions. [2024-11-17 04:43:31,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:43:31,019 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 18.22222222222222) internal successors, (328), 18 states have internal predecessors, (328), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) Word has length 254 [2024-11-17 04:43:31,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:31,034 INFO L225 Difference]: With dead ends: 20385 [2024-11-17 04:43:31,034 INFO L226 Difference]: Without dead ends: 14493 [2024-11-17 04:43:31,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 515 SyntacticMatches, 9 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:43:31,039 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 58 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 829 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:31,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 840 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 829 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:43:31,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14493 states. [2024-11-17 04:43:31,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14493 to 10388. [2024-11-17 04:43:31,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10388 states, 9907 states have (on average 1.0350257393761986) internal successors, (10254), 9921 states have internal predecessors, (10254), 464 states have call successors, (464), 13 states have call predecessors, (464), 13 states have return successors, (464), 453 states have call predecessors, (464), 464 states have call successors, (464) [2024-11-17 04:43:31,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10388 states to 10388 states and 11182 transitions. [2024-11-17 04:43:31,425 INFO L78 Accepts]: Start accepts. Automaton has 10388 states and 11182 transitions. Word has length 254 [2024-11-17 04:43:31,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:31,425 INFO L471 AbstractCegarLoop]: Abstraction has 10388 states and 11182 transitions. [2024-11-17 04:43:31,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 18.22222222222222) internal successors, (328), 18 states have internal predecessors, (328), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2024-11-17 04:43:31,425 INFO L276 IsEmpty]: Start isEmpty. Operand 10388 states and 11182 transitions. [2024-11-17 04:43:31,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-17 04:43:31,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:31,428 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:31,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:31,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:31,629 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:31,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:31,629 INFO L85 PathProgramCache]: Analyzing trace with hash -14965483, now seen corresponding path program 7 times [2024-11-17 04:43:31,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:31,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489100169] [2024-11-17 04:43:31,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:31,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:31,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [489721726] [2024-11-17 04:43:31,651 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-17 04:43:31,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:31,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:31,653 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:31,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-17 04:43:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:31,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-17 04:43:31,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:33,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 27 proven. 913 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-17 04:43:33,189 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:33,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:33,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489100169] [2024-11-17 04:43:33,811 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:33,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489721726] [2024-11-17 04:43:33,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489721726] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:33,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:33,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2024-11-17 04:43:33,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477639403] [2024-11-17 04:43:33,811 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:33,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-17 04:43:33,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:33,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-17 04:43:33,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=1154, Unknown=0, NotChecked=0, Total=1406 [2024-11-17 04:43:33,812 INFO L87 Difference]: Start difference. First operand 10388 states and 11182 transitions. Second operand has 33 states, 31 states have (on average 7.483870967741935) internal successors, (232), 31 states have internal predecessors, (232), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:43:35,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:35,855 INFO L93 Difference]: Finished difference Result 10675 states and 11481 transitions. [2024-11-17 04:43:35,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-11-17 04:43:35,855 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 31 states have (on average 7.483870967741935) internal successors, (232), 31 states have internal predecessors, (232), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Word has length 280 [2024-11-17 04:43:35,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:35,868 INFO L225 Difference]: With dead ends: 10675 [2024-11-17 04:43:35,868 INFO L226 Difference]: Without dead ends: 10674 [2024-11-17 04:43:35,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1932 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1251, Invalid=5229, Unknown=0, NotChecked=0, Total=6480 [2024-11-17 04:43:35,872 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 317 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 1230 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:35,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 570 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1230 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:43:35,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10674 states. [2024-11-17 04:43:36,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10674 to 10388. [2024-11-17 04:43:36,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10388 states, 9907 states have (on average 1.034924800646008) internal successors, (10253), 9921 states have internal predecessors, (10253), 464 states have call successors, (464), 13 states have call predecessors, (464), 13 states have return successors, (464), 453 states have call predecessors, (464), 464 states have call successors, (464) [2024-11-17 04:43:36,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10388 states to 10388 states and 11181 transitions. [2024-11-17 04:43:36,277 INFO L78 Accepts]: Start accepts. Automaton has 10388 states and 11181 transitions. Word has length 280 [2024-11-17 04:43:36,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:36,277 INFO L471 AbstractCegarLoop]: Abstraction has 10388 states and 11181 transitions. [2024-11-17 04:43:36,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 31 states have (on average 7.483870967741935) internal successors, (232), 31 states have internal predecessors, (232), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:43:36,277 INFO L276 IsEmpty]: Start isEmpty. Operand 10388 states and 11181 transitions. [2024-11-17 04:43:36,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-11-17 04:43:36,282 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:36,282 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:36,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:36,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-17 04:43:36,483 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:36,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:36,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1265599335, now seen corresponding path program 3 times [2024-11-17 04:43:36,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:36,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164993394] [2024-11-17 04:43:36,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:36,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:37,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:37,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:37,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:43:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:37,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:43:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:37,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 04:43:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:37,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 04:43:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:37,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-17 04:43:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:37,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-17 04:43:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:37,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-17 04:43:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:37,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-17 04:43:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:37,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-17 04:43:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:37,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-17 04:43:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:37,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-17 04:43:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:37,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-11-17 04:43:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:37,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1564 backedges. 0 proven. 1296 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-17 04:43:37,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:37,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164993394] [2024-11-17 04:43:37,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164993394] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:37,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664542737] [2024-11-17 04:43:37,033 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:43:37,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:37,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:37,035 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:37,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-17 04:43:37,132 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-11-17 04:43:37,132 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:37,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-17 04:43:37,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:37,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1564 backedges. 0 proven. 1216 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2024-11-17 04:43:37,536 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:37,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664542737] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:37,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:43:37,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 10] total 38 [2024-11-17 04:43:37,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147354980] [2024-11-17 04:43:37,965 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:37,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-17 04:43:37,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:37,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-17 04:43:37,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=1362, Unknown=0, NotChecked=0, Total=1640 [2024-11-17 04:43:37,966 INFO L87 Difference]: Start difference. First operand 10388 states and 11181 transitions. Second operand has 38 states, 38 states have (on average 12.105263157894736) internal successors, (460), 38 states have internal predecessors, (460), 21 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 21 states have call predecessors, (23), 21 states have call successors, (23) [2024-11-17 04:43:43,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:43,826 INFO L93 Difference]: Finished difference Result 11382 states and 12200 transitions. [2024-11-17 04:43:43,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 267 states. [2024-11-17 04:43:43,827 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 12.105263157894736) internal successors, (460), 38 states have internal predecessors, (460), 21 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 21 states have call predecessors, (23), 21 states have call successors, (23) Word has length 332 [2024-11-17 04:43:43,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:43,841 INFO L225 Difference]: With dead ends: 11382 [2024-11-17 04:43:43,841 INFO L226 Difference]: Without dead ends: 10724 [2024-11-17 04:43:43,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 648 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32289 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=11123, Invalid=69249, Unknown=0, NotChecked=0, Total=80372 [2024-11-17 04:43:43,850 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 815 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 2212 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 2290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 2212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:43,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [816 Valid, 853 Invalid, 2290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 2212 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:43:43,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10724 states. [2024-11-17 04:43:44,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10724 to 10261. [2024-11-17 04:43:44,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10261 states, 9786 states have (on average 1.0348456979358267) internal successors, (10127), 9797 states have internal predecessors, (10127), 457 states have call successors, (457), 14 states have call predecessors, (457), 14 states have return successors, (457), 449 states have call predecessors, (457), 457 states have call successors, (457) [2024-11-17 04:43:44,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10261 states to 10261 states and 11041 transitions. [2024-11-17 04:43:44,196 INFO L78 Accepts]: Start accepts. Automaton has 10261 states and 11041 transitions. Word has length 332 [2024-11-17 04:43:44,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:44,197 INFO L471 AbstractCegarLoop]: Abstraction has 10261 states and 11041 transitions. [2024-11-17 04:43:44,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 12.105263157894736) internal successors, (460), 38 states have internal predecessors, (460), 21 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 21 states have call predecessors, (23), 21 states have call successors, (23) [2024-11-17 04:43:44,197 INFO L276 IsEmpty]: Start isEmpty. Operand 10261 states and 11041 transitions. [2024-11-17 04:43:44,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-11-17 04:43:44,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:44,201 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:44,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:44,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-17 04:43:44,402 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:44,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:44,402 INFO L85 PathProgramCache]: Analyzing trace with hash 557668453, now seen corresponding path program 8 times [2024-11-17 04:43:44,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:44,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005875402] [2024-11-17 04:43:44,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:44,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:44,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:44,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1452381736] [2024-11-17 04:43:44,424 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:43:44,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:44,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:44,425 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:44,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-17 04:43:44,520 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:43:44,520 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:44,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-17 04:43:44,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:44,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1642 backedges. 0 proven. 1146 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-17 04:43:44,980 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:45,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:45,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005875402] [2024-11-17 04:43:45,333 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:45,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452381736] [2024-11-17 04:43:45,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1452381736] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:45,333 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:45,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-17 04:43:45,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626354427] [2024-11-17 04:43:45,333 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:45,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:43:45,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:45,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:43:45,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:43:45,334 INFO L87 Difference]: Start difference. First operand 10261 states and 11041 transitions. Second operand has 10 states, 9 states have (on average 17.333333333333332) internal successors, (156), 10 states have internal predecessors, (156), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-17 04:43:45,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:45,836 INFO L93 Difference]: Finished difference Result 10856 states and 11682 transitions. [2024-11-17 04:43:45,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:43:45,837 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.333333333333332) internal successors, (156), 10 states have internal predecessors, (156), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 332 [2024-11-17 04:43:45,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:45,850 INFO L225 Difference]: With dead ends: 10856 [2024-11-17 04:43:45,850 INFO L226 Difference]: Without dead ends: 10852 [2024-11-17 04:43:45,854 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:43:45,854 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 26 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:45,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 431 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:43:45,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10852 states. [2024-11-17 04:43:46,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10852 to 10502. [2024-11-17 04:43:46,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10502 states, 10016 states have (on average 1.03504392971246) internal successors, (10367), 10027 states have internal predecessors, (10367), 468 states have call successors, (468), 14 states have call predecessors, (468), 14 states have return successors, (468), 460 states have call predecessors, (468), 468 states have call successors, (468) [2024-11-17 04:43:46,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10502 states to 10502 states and 11303 transitions. [2024-11-17 04:43:46,245 INFO L78 Accepts]: Start accepts. Automaton has 10502 states and 11303 transitions. Word has length 332 [2024-11-17 04:43:46,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:46,246 INFO L471 AbstractCegarLoop]: Abstraction has 10502 states and 11303 transitions. [2024-11-17 04:43:46,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.333333333333332) internal successors, (156), 10 states have internal predecessors, (156), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-17 04:43:46,246 INFO L276 IsEmpty]: Start isEmpty. Operand 10502 states and 11303 transitions. [2024-11-17 04:43:46,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-11-17 04:43:46,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:46,249 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:46,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:46,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:46,449 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:46,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:46,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1521662596, now seen corresponding path program 9 times [2024-11-17 04:43:46,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:46,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008502031] [2024-11-17 04:43:46,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:46,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:43:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:43:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 04:43:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 04:43:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-17 04:43:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-17 04:43:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-17 04:43:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-17 04:43:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-17 04:43:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-17 04:43:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-17 04:43:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-11-17 04:43:46,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1684 backedges. 497 proven. 919 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-17 04:43:46,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:46,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008502031] [2024-11-17 04:43:46,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008502031] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:46,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135825419] [2024-11-17 04:43:46,715 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:43:46,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:46,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:46,718 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:46,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-17 04:43:46,792 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-17 04:43:46,793 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:46,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-17 04:43:46,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:47,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1684 backedges. 0 proven. 1220 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2024-11-17 04:43:47,217 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:47,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135825419] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:47,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:43:47,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11] total 25 [2024-11-17 04:43:47,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658786243] [2024-11-17 04:43:47,720 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:47,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-17 04:43:47,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:47,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-17 04:43:47,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=644, Unknown=0, NotChecked=0, Total=756 [2024-11-17 04:43:47,721 INFO L87 Difference]: Start difference. First operand 10502 states and 11303 transitions. Second operand has 25 states, 25 states have (on average 18.04) internal successors, (451), 25 states have internal predecessors, (451), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-17 04:43:49,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:49,517 INFO L93 Difference]: Finished difference Result 22688 states and 24466 transitions. [2024-11-17 04:43:49,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-11-17 04:43:49,517 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 18.04) internal successors, (451), 25 states have internal predecessors, (451), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) Word has length 332 [2024-11-17 04:43:49,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:49,539 INFO L225 Difference]: With dead ends: 22688 [2024-11-17 04:43:49,539 INFO L226 Difference]: Without dead ends: 16650 [2024-11-17 04:43:49,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1108 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=464, Invalid=3442, Unknown=0, NotChecked=0, Total=3906 [2024-11-17 04:43:49,549 INFO L432 NwaCegarLoop]: 246 mSDtfsCounter, 533 mSDsluCounter, 2558 mSDsCounter, 0 mSdLazyCounter, 3671 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 2804 SdHoareTripleChecker+Invalid, 3707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 3671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:49,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 2804 Invalid, 3707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 3671 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 04:43:49,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16650 states. [2024-11-17 04:43:49,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16650 to 12276. [2024-11-17 04:43:49,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12276 states, 11709 states have (on average 1.030403962763686) internal successors, (12065), 11720 states have internal predecessors, (12065), 549 states have call successors, (549), 14 states have call predecessors, (549), 14 states have return successors, (549), 541 states have call predecessors, (549), 549 states have call successors, (549) [2024-11-17 04:43:50,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12276 states to 12276 states and 13163 transitions. [2024-11-17 04:43:50,005 INFO L78 Accepts]: Start accepts. Automaton has 12276 states and 13163 transitions. Word has length 332 [2024-11-17 04:43:50,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:50,005 INFO L471 AbstractCegarLoop]: Abstraction has 12276 states and 13163 transitions. [2024-11-17 04:43:50,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 18.04) internal successors, (451), 25 states have internal predecessors, (451), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-17 04:43:50,006 INFO L276 IsEmpty]: Start isEmpty. Operand 12276 states and 13163 transitions. [2024-11-17 04:43:50,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2024-11-17 04:43:50,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:50,009 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:50,022 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-17 04:43:50,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-17 04:43:50,210 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:50,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:50,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1025459994, now seen corresponding path program 4 times [2024-11-17 04:43:50,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:50,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933714693] [2024-11-17 04:43:50,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:50,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:50,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:50,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:50,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:43:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:50,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:43:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:50,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 04:43:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:50,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 04:43:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:50,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-17 04:43:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:50,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-17 04:43:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:50,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-17 04:43:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:50,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-17 04:43:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:50,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-17 04:43:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:50,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-17 04:43:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:50,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-17 04:43:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:50,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-11-17 04:43:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:50,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-11-17 04:43:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:50,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2024-11-17 04:43:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:50,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 0 proven. 1778 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-11-17 04:43:50,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:50,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933714693] [2024-11-17 04:43:50,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933714693] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:50,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362110642] [2024-11-17 04:43:50,910 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 04:43:50,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:50,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:50,912 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:50,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-17 04:43:50,994 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 04:43:50,994 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:50,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-17 04:43:51,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:51,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 0 proven. 2142 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:43:51,257 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:51,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 0 proven. 1778 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-11-17 04:43:51,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362110642] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:51,808 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:51,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 31, 32] total 45 [2024-11-17 04:43:51,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567968829] [2024-11-17 04:43:51,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:51,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-17 04:43:51,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:51,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-17 04:43:51,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=547, Invalid=1433, Unknown=0, NotChecked=0, Total=1980 [2024-11-17 04:43:51,810 INFO L87 Difference]: Start difference. First operand 12276 states and 13163 transitions. Second operand has 45 states, 45 states have (on average 11.911111111111111) internal successors, (536), 45 states have internal predecessors, (536), 21 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 21 states have call predecessors, (39), 21 states have call successors, (39) [2024-11-17 04:43:53,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:53,050 INFO L93 Difference]: Finished difference Result 17166 states and 18296 transitions. [2024-11-17 04:43:53,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-11-17 04:43:53,051 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 11.911111111111111) internal successors, (536), 45 states have internal predecessors, (536), 21 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 21 states have call predecessors, (39), 21 states have call successors, (39) Word has length 384 [2024-11-17 04:43:53,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:53,067 INFO L225 Difference]: With dead ends: 17166 [2024-11-17 04:43:53,067 INFO L226 Difference]: Without dead ends: 17163 [2024-11-17 04:43:53,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 868 GetRequests, 767 SyntacticMatches, 20 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2109 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=2146, Invalid=4660, Unknown=0, NotChecked=0, Total=6806 [2024-11-17 04:43:53,072 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 337 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:53,072 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 832 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:53,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17163 states. [2024-11-17 04:43:53,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17163 to 16442. [2024-11-17 04:43:53,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16442 states, 15678 states have (on average 1.026023727516265) internal successors, (16086), 15721 states have internal predecessors, (16086), 739 states have call successors, (739), 21 states have call predecessors, (739), 21 states have return successors, (739), 699 states have call predecessors, (739), 739 states have call successors, (739) [2024-11-17 04:43:53,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16442 states to 16442 states and 17564 transitions. [2024-11-17 04:43:53,730 INFO L78 Accepts]: Start accepts. Automaton has 16442 states and 17564 transitions. Word has length 384 [2024-11-17 04:43:53,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:53,731 INFO L471 AbstractCegarLoop]: Abstraction has 16442 states and 17564 transitions. [2024-11-17 04:43:53,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 11.911111111111111) internal successors, (536), 45 states have internal predecessors, (536), 21 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 21 states have call predecessors, (39), 21 states have call successors, (39) [2024-11-17 04:43:53,731 INFO L276 IsEmpty]: Start isEmpty. Operand 16442 states and 17564 transitions. [2024-11-17 04:43:53,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2024-11-17 04:43:53,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:53,735 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:53,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:53,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-17 04:43:53,937 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:53,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:53,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1025462267, now seen corresponding path program 10 times [2024-11-17 04:43:53,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:53,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854291569] [2024-11-17 04:43:53,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:53,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:53,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1115179524] [2024-11-17 04:43:53,966 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 04:43:53,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:53,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:53,969 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:53,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-17 04:43:54,077 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 04:43:54,077 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:54,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-17 04:43:54,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:54,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2174 backedges. 0 proven. 1710 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2024-11-17 04:43:54,699 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:55,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:55,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854291569] [2024-11-17 04:43:55,090 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:55,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115179524] [2024-11-17 04:43:55,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115179524] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:55,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:55,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-17 04:43:55,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75029870] [2024-11-17 04:43:55,091 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:55,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:43:55,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:55,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:43:55,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:43:55,092 INFO L87 Difference]: Start difference. First operand 16442 states and 17564 transitions. Second operand has 12 states, 11 states have (on average 20.545454545454547) internal successors, (226), 12 states have internal predecessors, (226), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-17 04:43:55,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:55,949 INFO L93 Difference]: Finished difference Result 16887 states and 18028 transitions. [2024-11-17 04:43:55,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:43:55,950 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 20.545454545454547) internal successors, (226), 12 states have internal predecessors, (226), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) Word has length 384 [2024-11-17 04:43:55,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:55,971 INFO L225 Difference]: With dead ends: 16887 [2024-11-17 04:43:55,971 INFO L226 Difference]: Without dead ends: 16886 [2024-11-17 04:43:55,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:43:55,977 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 23 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:55,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 373 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:43:55,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16886 states. [2024-11-17 04:43:56,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16886 to 16442. [2024-11-17 04:43:56,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16442 states, 15678 states have (on average 1.0259599438703917) internal successors, (16085), 15721 states have internal predecessors, (16085), 739 states have call successors, (739), 21 states have call predecessors, (739), 21 states have return successors, (739), 699 states have call predecessors, (739), 739 states have call successors, (739) [2024-11-17 04:43:56,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16442 states to 16442 states and 17563 transitions. [2024-11-17 04:43:56,661 INFO L78 Accepts]: Start accepts. Automaton has 16442 states and 17563 transitions. Word has length 384 [2024-11-17 04:43:56,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:56,662 INFO L471 AbstractCegarLoop]: Abstraction has 16442 states and 17563 transitions. [2024-11-17 04:43:56,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 20.545454545454547) internal successors, (226), 12 states have internal predecessors, (226), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-17 04:43:56,662 INFO L276 IsEmpty]: Start isEmpty. Operand 16442 states and 17563 transitions. [2024-11-17 04:43:56,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2024-11-17 04:43:56,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:56,666 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:56,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:56,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-17 04:43:56,866 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:56,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:56,867 INFO L85 PathProgramCache]: Analyzing trace with hash 344853462, now seen corresponding path program 11 times [2024-11-17 04:43:56,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:56,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112476882] [2024-11-17 04:43:56,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:56,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:57,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:57,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:57,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:43:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:57,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:43:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:57,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 04:43:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:57,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 04:43:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:57,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-17 04:43:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:57,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-17 04:43:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:57,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-17 04:43:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:57,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-17 04:43:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:57,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-17 04:43:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:57,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-17 04:43:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:57,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-17 04:43:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:57,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-11-17 04:43:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:57,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-11-17 04:43:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:57,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2024-11-17 04:43:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:57,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2324 backedges. 659 proven. 1297 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-11-17 04:43:57,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:57,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112476882] [2024-11-17 04:43:57,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112476882] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:57,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792797909] [2024-11-17 04:43:57,195 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-17 04:43:57,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:57,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:57,196 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:57,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-17 04:43:57,274 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-11-17 04:43:57,274 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:57,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 04:43:57,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:57,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2324 backedges. 678 proven. 1278 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-11-17 04:43:57,750 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:58,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2324 backedges. 678 proven. 1278 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-11-17 04:43:58,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792797909] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:58,070 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:58,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 30 [2024-11-17 04:43:58,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495841333] [2024-11-17 04:43:58,070 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:58,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-17 04:43:58,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:58,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-17 04:43:58,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=647, Unknown=0, NotChecked=0, Total=870 [2024-11-17 04:43:58,074 INFO L87 Difference]: Start difference. First operand 16442 states and 17563 transitions. Second operand has 30 states, 30 states have (on average 18.8) internal successors, (564), 30 states have internal predecessors, (564), 27 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 27 states have call predecessors, (28), 27 states have call successors, (28) [2024-11-17 04:43:59,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:59,475 INFO L93 Difference]: Finished difference Result 35545 states and 38177 transitions. [2024-11-17 04:43:59,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-17 04:43:59,475 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 18.8) internal successors, (564), 30 states have internal predecessors, (564), 27 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 27 states have call predecessors, (28), 27 states have call successors, (28) Word has length 384 [2024-11-17 04:43:59,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:59,510 INFO L225 Difference]: With dead ends: 35545 [2024-11-17 04:43:59,510 INFO L226 Difference]: Without dead ends: 27265 [2024-11-17 04:43:59,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 831 GetRequests, 776 SyntacticMatches, 11 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 755 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=474, Invalid=1596, Unknown=0, NotChecked=0, Total=2070 [2024-11-17 04:43:59,524 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 240 mSDsluCounter, 884 mSDsCounter, 0 mSdLazyCounter, 1200 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:59,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 1007 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1200 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:43:59,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27265 states. [2024-11-17 04:44:00,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27265 to 20865. [2024-11-17 04:44:00,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20865 states, 19886 states have (on average 1.0258473297797446) internal successors, (20400), 19932 states have internal predecessors, (20400), 954 states have call successors, (954), 21 states have call predecessors, (954), 21 states have return successors, (954), 911 states have call predecessors, (954), 954 states have call successors, (954) [2024-11-17 04:44:00,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20865 states to 20865 states and 22308 transitions. [2024-11-17 04:44:00,613 INFO L78 Accepts]: Start accepts. Automaton has 20865 states and 22308 transitions. Word has length 384 [2024-11-17 04:44:00,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:00,614 INFO L471 AbstractCegarLoop]: Abstraction has 20865 states and 22308 transitions. [2024-11-17 04:44:00,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 18.8) internal successors, (564), 30 states have internal predecessors, (564), 27 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 27 states have call predecessors, (28), 27 states have call successors, (28) [2024-11-17 04:44:00,614 INFO L276 IsEmpty]: Start isEmpty. Operand 20865 states and 22308 transitions. [2024-11-17 04:44:00,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2024-11-17 04:44:00,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:00,619 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:00,630 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-17 04:44:00,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:00,819 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:44:00,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:00,820 INFO L85 PathProgramCache]: Analyzing trace with hash -344302814, now seen corresponding path program 3 times [2024-11-17 04:44:00,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:00,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749856943] [2024-11-17 04:44:00,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:00,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:01,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:44:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:01,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:44:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:01,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:44:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:01,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:44:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:01,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 04:44:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:01,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 04:44:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:01,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-17 04:44:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:01,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-17 04:44:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:01,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-17 04:44:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:01,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-17 04:44:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:01,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-17 04:44:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:01,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-17 04:44:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:01,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-17 04:44:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:01,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-11-17 04:44:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:01,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-11-17 04:44:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:01,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2024-11-17 04:44:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:01,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2024-11-17 04:44:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:01,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2636 backedges. 0 proven. 2212 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-17 04:44:01,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:01,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749856943] [2024-11-17 04:44:01,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749856943] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:44:01,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291950426] [2024-11-17 04:44:01,141 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:44:01,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:01,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:01,142 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:44:01,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-17 04:44:01,224 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-17 04:44:01,224 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:44:01,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 04:44:01,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:01,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2636 backedges. 0 proven. 2212 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-17 04:44:01,500 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:01,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2636 backedges. 0 proven. 2212 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-17 04:44:01,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291950426] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:44:01,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:44:01,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 32 [2024-11-17 04:44:01,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225276249] [2024-11-17 04:44:01,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:44:01,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-17 04:44:01,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:01,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-17 04:44:01,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2024-11-17 04:44:01,955 INFO L87 Difference]: Start difference. First operand 20865 states and 22308 transitions. Second operand has 33 states, 32 states have (on average 20.15625) internal successors, (645), 33 states have internal predecessors, (645), 32 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 32 states have call predecessors, (33), 32 states have call successors, (33) [2024-11-17 04:44:03,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:03,130 INFO L93 Difference]: Finished difference Result 27799 states and 30171 transitions. [2024-11-17 04:44:03,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-17 04:44:03,130 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 20.15625) internal successors, (645), 33 states have internal predecessors, (645), 32 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 32 states have call predecessors, (33), 32 states have call successors, (33) Word has length 396 [2024-11-17 04:44:03,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:03,163 INFO L225 Difference]: With dead ends: 27799 [2024-11-17 04:44:03,163 INFO L226 Difference]: Without dead ends: 27798 [2024-11-17 04:44:03,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 840 GetRequests, 809 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2024-11-17 04:44:03,171 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 18 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:03,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 470 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:44:03,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27798 states. [2024-11-17 04:44:04,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27798 to 27798. [2024-11-17 04:44:04,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27798 states, 26504 states have (on average 1.0305236945366738) internal successors, (27313), 26549 states have internal predecessors, (27313), 1269 states have call successors, (1269), 21 states have call predecessors, (1269), 21 states have return successors, (1269), 1227 states have call predecessors, (1269), 1269 states have call successors, (1269) [2024-11-17 04:44:04,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27798 states to 27798 states and 29851 transitions. [2024-11-17 04:44:04,345 INFO L78 Accepts]: Start accepts. Automaton has 27798 states and 29851 transitions. Word has length 396 [2024-11-17 04:44:04,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:04,345 INFO L471 AbstractCegarLoop]: Abstraction has 27798 states and 29851 transitions. [2024-11-17 04:44:04,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 20.15625) internal successors, (645), 33 states have internal predecessors, (645), 32 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 32 states have call predecessors, (33), 32 states have call successors, (33) [2024-11-17 04:44:04,346 INFO L276 IsEmpty]: Start isEmpty. Operand 27798 states and 29851 transitions. [2024-11-17 04:44:04,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2024-11-17 04:44:04,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:04,351 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:04,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-17 04:44:04,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:04,552 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:44:04,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:04,552 INFO L85 PathProgramCache]: Analyzing trace with hash 2056106030, now seen corresponding path program 12 times [2024-11-17 04:44:04,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:04,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030449536] [2024-11-17 04:44:04,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:04,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:44:04,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [561058109] [2024-11-17 04:44:04,588 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-17 04:44:04,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:04,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:04,590 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:44:04,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-17 04:44:04,713 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2024-11-17 04:44:04,714 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:44:04,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 04:44:04,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:05,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2024-11-17 04:44:05,346 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:05,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:05,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030449536] [2024-11-17 04:44:05,678 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:05,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561058109] [2024-11-17 04:44:05,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561058109] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:44:05,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:44:05,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-17 04:44:05,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116760315] [2024-11-17 04:44:05,678 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:44:05,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 04:44:05,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:05,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 04:44:05,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=128, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:44:05,679 INFO L87 Difference]: Start difference. First operand 27798 states and 29851 transitions. Second operand has 13 states, 12 states have (on average 21.166666666666668) internal successors, (254), 13 states have internal predecessors, (254), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-17 04:44:07,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:07,394 INFO L93 Difference]: Finished difference Result 29567 states and 31699 transitions. [2024-11-17 04:44:07,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:44:07,394 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 21.166666666666668) internal successors, (254), 13 states have internal predecessors, (254), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 436 [2024-11-17 04:44:07,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:07,435 INFO L225 Difference]: With dead ends: 29567 [2024-11-17 04:44:07,435 INFO L226 Difference]: Without dead ends: 29566 [2024-11-17 04:44:07,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 440 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=128, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:44:07,443 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 25 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:07,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 358 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:44:07,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29566 states. [2024-11-17 04:44:08,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29566 to 27798. [2024-11-17 04:44:08,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27798 states, 26504 states have (on average 1.0304859643827347) internal successors, (27312), 26549 states have internal predecessors, (27312), 1269 states have call successors, (1269), 21 states have call predecessors, (1269), 21 states have return successors, (1269), 1227 states have call predecessors, (1269), 1269 states have call successors, (1269) [2024-11-17 04:44:08,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27798 states to 27798 states and 29850 transitions. [2024-11-17 04:44:08,575 INFO L78 Accepts]: Start accepts. Automaton has 27798 states and 29850 transitions. Word has length 436 [2024-11-17 04:44:08,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:08,575 INFO L471 AbstractCegarLoop]: Abstraction has 27798 states and 29850 transitions. [2024-11-17 04:44:08,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 21.166666666666668) internal successors, (254), 13 states have internal predecessors, (254), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-17 04:44:08,576 INFO L276 IsEmpty]: Start isEmpty. Operand 27798 states and 29850 transitions. [2024-11-17 04:44:08,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2024-11-17 04:44:08,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:08,581 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:08,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-17 04:44:08,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-11-17 04:44:08,782 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:44:08,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:08,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1982132310, now seen corresponding path program 13 times [2024-11-17 04:44:08,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:08,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625727277] [2024-11-17 04:44:08,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:08,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:44:08,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1057079096] [2024-11-17 04:44:08,811 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-17 04:44:08,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:08,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:08,813 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:44:08,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-17 04:44:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:08,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-17 04:44:08,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:10,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2948 backedges. 90 proven. 2491 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2024-11-17 04:44:10,487 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:10,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:10,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625727277] [2024-11-17 04:44:10,955 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:10,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057079096] [2024-11-17 04:44:10,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057079096] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:44:10,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:44:10,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2024-11-17 04:44:10,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735171209] [2024-11-17 04:44:10,956 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:44:10,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-17 04:44:10,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:10,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-17 04:44:10,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=269, Invalid=1711, Unknown=0, NotChecked=0, Total=1980 [2024-11-17 04:44:10,957 INFO L87 Difference]: Start difference. First operand 27798 states and 29850 transitions. Second operand has 42 states, 41 states have (on average 8.658536585365853) internal successors, (355), 42 states have internal predecessors, (355), 17 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 17 states have call successors, (18)