./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 83658644ab59c175befe18129a61686a7f8ef5283dc72c7f2a03865a8223d162 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:47:40,583 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:47:40,633 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:47:40,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:47:40,640 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:47:40,662 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:47:40,664 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:47:40,665 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:47:40,665 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:47:40,665 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:47:40,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:47:40,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:47:40,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:47:40,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:47:40,668 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:47:40,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:47:40,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:47:40,669 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:47:40,669 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:47:40,670 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:47:40,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:47:40,673 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:47:40,673 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:47:40,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:47:40,673 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:47:40,673 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:47:40,674 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:47:40,674 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:47:40,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:47:40,674 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:47:40,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:47:40,674 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:47:40,675 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:47:40,675 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:47:40,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:47:40,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:47:40,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:47:40,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:47:40,676 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:47:40,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:47:40,676 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:47:40,676 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:47:40,677 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:47:40,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:47:40,677 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83658644ab59c175befe18129a61686a7f8ef5283dc72c7f2a03865a8223d162 [2024-11-19 10:47:40,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:47:40,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:47:40,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:47:40,888 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:47:40,888 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:47:40,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound2.c [2024-11-19 10:47:42,108 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:47:42,240 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:47:42,241 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound2.c [2024-11-19 10:47:42,246 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32419c5e9/6802b5e3ed61485288bb9e0991182e45/FLAG421d78a99 [2024-11-19 10:47:42,257 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32419c5e9/6802b5e3ed61485288bb9e0991182e45 [2024-11-19 10:47:42,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:47:42,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:47:42,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:47:42,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:47:42,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:47:42,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:47:42" (1/1) ... [2024-11-19 10:47:42,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c98303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:42, skipping insertion in model container [2024-11-19 10:47:42,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:47:42" (1/1) ... [2024-11-19 10:47:42,286 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:47:42,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:47:42,419 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:47:42,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:47:42,442 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:47:42,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:42 WrapperNode [2024-11-19 10:47:42,443 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:47:42,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:47:42,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:47:42,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:47:42,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:42" (1/1) ... [2024-11-19 10:47:42,453 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:42" (1/1) ... [2024-11-19 10:47:42,476 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2024-11-19 10:47:42,476 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:47:42,477 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:47:42,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:47:42,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:47:42,491 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:42" (1/1) ... [2024-11-19 10:47:42,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:42" (1/1) ... [2024-11-19 10:47:42,501 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:42" (1/1) ... [2024-11-19 10:47:42,514 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-19 10:47:42,514 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:42" (1/1) ... [2024-11-19 10:47:42,515 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:42" (1/1) ... [2024-11-19 10:47:42,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:42" (1/1) ... [2024-11-19 10:47:42,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:42" (1/1) ... [2024-11-19 10:47:42,519 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:42" (1/1) ... [2024-11-19 10:47:42,520 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:42" (1/1) ... [2024-11-19 10:47:42,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:47:42,523 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:47:42,524 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:47:42,524 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:47:42,525 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:42" (1/1) ... [2024-11-19 10:47:42,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:47:42,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:47:42,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 10:47:42,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 10:47:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:47:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 10:47:42,615 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 10:47:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:47:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:47:42,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:47:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 10:47:42,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 10:47:42,660 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:47:42,661 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:47:42,873 INFO L? ?]: Removed 52 outVars from TransFormulas that were not future-live. [2024-11-19 10:47:42,874 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:47:42,884 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:47:42,885 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 10:47:42,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:47:42 BoogieIcfgContainer [2024-11-19 10:47:42,885 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:47:42,886 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:47:42,887 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:47:42,889 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:47:42,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:47:42" (1/3) ... [2024-11-19 10:47:42,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e547c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:47:42, skipping insertion in model container [2024-11-19 10:47:42,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:42" (2/3) ... [2024-11-19 10:47:42,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e547c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:47:42, skipping insertion in model container [2024-11-19 10:47:42,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:47:42" (3/3) ... [2024-11-19 10:47:42,892 INFO L112 eAbstractionObserver]: Analyzing ICFG geo1-u_valuebound2.c [2024-11-19 10:47:42,905 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:47:42,905 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-19 10:47:42,954 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:47:42,960 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;@223cb215, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:47:42,961 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-19 10:47:42,965 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 39 states have (on average 1.6923076923076923) internal successors, (66), 61 states have internal predecessors, (66), 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) [2024-11-19 10:47:42,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-19 10:47:42,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:47:42,970 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:47:42,971 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:47:42,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:47:42,974 INFO L85 PathProgramCache]: Analyzing trace with hash 299065549, now seen corresponding path program 1 times [2024-11-19 10:47:42,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:47:42,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536866776] [2024-11-19 10:47:42,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:47:42,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:47:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:47:43,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 10:47:43,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:47:43,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536866776] [2024-11-19 10:47:43,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536866776] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:47:43,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647432744] [2024-11-19 10:47:43,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:47:43,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:47:43,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:47:43,081 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:47:43,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:47:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:47:43,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 10:47:43,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:47:43,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 10:47:43,131 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:47:43,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647432744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:47:43,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:47:43,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 10:47:43,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023637985] [2024-11-19 10:47:43,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:47:43,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 10:47:43,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:47:43,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 10:47:43,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:47:43,155 INFO L87 Difference]: Start difference. First operand has 68 states, 39 states have (on average 1.6923076923076923) internal successors, (66), 61 states have internal predecessors, (66), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:47:43,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:47:43,170 INFO L93 Difference]: Finished difference Result 132 states and 147 transitions. [2024-11-19 10:47:43,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 10:47:43,172 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (2), 2 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 16 [2024-11-19 10:47:43,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:47:43,176 INFO L225 Difference]: With dead ends: 132 [2024-11-19 10:47:43,176 INFO L226 Difference]: Without dead ends: 61 [2024-11-19 10:47:43,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:47:43,180 INFO L432 NwaCegarLoop]: 69 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, 69 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:47:43,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:47:43,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-19 10:47:43,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-19 10:47:43,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 34 states have (on average 1.6470588235294117) internal successors, (56), 55 states have internal predecessors, (56), 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) [2024-11-19 10:47:43,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 62 transitions. [2024-11-19 10:47:43,205 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 62 transitions. Word has length 16 [2024-11-19 10:47:43,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:47:43,205 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 62 transitions. [2024-11-19 10:47:43,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:47:43,206 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2024-11-19 10:47:43,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-19 10:47:43,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:47:43,206 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:47:43,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 10:47:43,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 10:47:43,407 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:47:43,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:47:43,408 INFO L85 PathProgramCache]: Analyzing trace with hash 614488008, now seen corresponding path program 1 times [2024-11-19 10:47:43,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:47:43,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270570213] [2024-11-19 10:47:43,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:47:43,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:47:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:47:43,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2030236889] [2024-11-19 10:47:43,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:47:43,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:47:43,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:47:43,438 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:47:43,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:47:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:47:43,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:47:43,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:47:43,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:47:43,485 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:47:43,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:47:43,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270570213] [2024-11-19 10:47:43,486 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:47:43,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030236889] [2024-11-19 10:47:43,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030236889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:47:43,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:47:43,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:47:43,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910973927] [2024-11-19 10:47:43,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:47:43,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:47:43,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:47:43,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:47:43,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:47:43,490 INFO L87 Difference]: Start difference. First operand 61 states and 62 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:47:43,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:47:43,574 INFO L93 Difference]: Finished difference Result 92 states and 99 transitions. [2024-11-19 10:47:43,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:47:43,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 16 [2024-11-19 10:47:43,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:47:43,576 INFO L225 Difference]: With dead ends: 92 [2024-11-19 10:47:43,576 INFO L226 Difference]: Without dead ends: 82 [2024-11-19 10:47:43,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:47:43,577 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 18 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:47:43,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 69 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:47:43,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-19 10:47:43,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 80. [2024-11-19 10:47:43,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 52 states have (on average 1.5576923076923077) internal successors, (81), 73 states have internal predecessors, (81), 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) [2024-11-19 10:47:43,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 89 transitions. [2024-11-19 10:47:43,587 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 89 transitions. Word has length 16 [2024-11-19 10:47:43,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:47:43,587 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 89 transitions. [2024-11-19 10:47:43,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:47:43,588 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2024-11-19 10:47:43,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-19 10:47:43,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:47:43,588 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:47:43,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-19 10:47:43,788 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,SelfDestructingSolverStorable1 [2024-11-19 10:47:43,790 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:47:43,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:47:43,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1447673844, now seen corresponding path program 1 times [2024-11-19 10:47:43,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:47:43,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638677709] [2024-11-19 10:47:43,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:47:43,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:47:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:47:43,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [490124608] [2024-11-19 10:47:43,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:47:43,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:47:43,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:47:43,820 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:47:43,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:47:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:47:43,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:47:43,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:47:43,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:47:43,917 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:47:43,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:47:43,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638677709] [2024-11-19 10:47:43,918 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:47:43,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490124608] [2024-11-19 10:47:43,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490124608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:47:43,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:47:43,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:47:43,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445616841] [2024-11-19 10:47:43,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:47:43,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:47:43,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:47:43,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:47:43,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:47:43,919 INFO L87 Difference]: Start difference. First operand 80 states and 89 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:47:43,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:47:43,996 INFO L93 Difference]: Finished difference Result 84 states and 89 transitions. [2024-11-19 10:47:43,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:47:43,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 20 [2024-11-19 10:47:43,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:47:43,998 INFO L225 Difference]: With dead ends: 84 [2024-11-19 10:47:43,998 INFO L226 Difference]: Without dead ends: 82 [2024-11-19 10:47:43,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:47:43,999 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 14 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:47:44,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 67 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:47:44,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-19 10:47:44,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 80. [2024-11-19 10:47:44,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 52 states have (on average 1.5192307692307692) internal successors, (79), 73 states have internal predecessors, (79), 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) [2024-11-19 10:47:44,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2024-11-19 10:47:44,010 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 87 transitions. Word has length 20 [2024-11-19 10:47:44,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:47:44,011 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 87 transitions. [2024-11-19 10:47:44,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:47:44,011 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2024-11-19 10:47:44,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-19 10:47:44,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:47:44,012 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:47:44,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-19 10:47:44,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:47:44,213 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:47:44,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:47:44,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1928216147, now seen corresponding path program 1 times [2024-11-19 10:47:44,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:47:44,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861003185] [2024-11-19 10:47:44,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:47:44,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:47:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:47:44,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:47:44,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:47:44,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861003185] [2024-11-19 10:47:44,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861003185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:47:44,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:47:44,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:47:44,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533733668] [2024-11-19 10:47:44,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:47:44,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:47:44,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:47:44,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:47:44,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:47:44,362 INFO L87 Difference]: Start difference. First operand 80 states and 87 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) [2024-11-19 10:47:44,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:47:44,453 INFO L93 Difference]: Finished difference Result 84 states and 87 transitions. [2024-11-19 10:47:44,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:47:44,454 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 [2024-11-19 10:47:44,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:47:44,455 INFO L225 Difference]: With dead ends: 84 [2024-11-19 10:47:44,456 INFO L226 Difference]: Without dead ends: 82 [2024-11-19 10:47:44,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:47:44,457 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 17 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:47:44,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 90 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:47:44,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-19 10:47:44,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 80. [2024-11-19 10:47:44,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 73 states have internal predecessors, (77), 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) [2024-11-19 10:47:44,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 85 transitions. [2024-11-19 10:47:44,468 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 85 transitions. Word has length 21 [2024-11-19 10:47:44,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:47:44,468 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 85 transitions. [2024-11-19 10:47:44,468 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) [2024-11-19 10:47:44,468 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 85 transitions. [2024-11-19 10:47:44,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-19 10:47:44,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:47:44,469 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] [2024-11-19 10:47:44,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 10:47:44,469 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:47:44,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:47:44,469 INFO L85 PathProgramCache]: Analyzing trace with hash 797274018, now seen corresponding path program 1 times [2024-11-19 10:47:44,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:47:44,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973691178] [2024-11-19 10:47:44,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:47:44,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:47:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:47:44,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:47:44,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:47:44,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973691178] [2024-11-19 10:47:44,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973691178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:47:44,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:47:44,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:47:44,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915815895] [2024-11-19 10:47:44,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:47:44,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:47:44,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:47:44,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:47:44,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:47:44,539 INFO L87 Difference]: Start difference. First operand 80 states and 85 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-11-19 10:47:44,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:47:44,557 INFO L93 Difference]: Finished difference Result 82 states and 85 transitions. [2024-11-19 10:47:44,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:47:44,557 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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 30 [2024-11-19 10:47:44,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:47:44,558 INFO L225 Difference]: With dead ends: 82 [2024-11-19 10:47:44,558 INFO L226 Difference]: Without dead ends: 80 [2024-11-19 10:47:44,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:47:44,558 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 1 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:47:44,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 112 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:47:44,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-19 10:47:44,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-19 10:47:44,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 73 states have internal predecessors, (75), 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) [2024-11-19 10:47:44,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 83 transitions. [2024-11-19 10:47:44,566 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 83 transitions. Word has length 30 [2024-11-19 10:47:44,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:47:44,567 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 83 transitions. [2024-11-19 10:47:44,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-11-19 10:47:44,568 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2024-11-19 10:47:44,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-19 10:47:44,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:47:44,569 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:47:44,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 10:47:44,569 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:47:44,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:47:44,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1676114169, now seen corresponding path program 1 times [2024-11-19 10:47:44,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:47:44,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859929400] [2024-11-19 10:47:44,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:47:44,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:47:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:47:44,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:47:44,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:47:44,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859929400] [2024-11-19 10:47:44,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859929400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:47:44,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:47:44,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:47:44,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490887195] [2024-11-19 10:47:44,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:47:44,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:47:44,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:47:44,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:47:44,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:47:44,639 INFO L87 Difference]: Start difference. First operand 80 states and 83 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:47:45,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:47:45,784 INFO L93 Difference]: Finished difference Result 80 states and 83 transitions. [2024-11-19 10:47:45,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:47:45,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2024-11-19 10:47:45,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:47:45,785 INFO L225 Difference]: With dead ends: 80 [2024-11-19 10:47:45,785 INFO L226 Difference]: Without dead ends: 79 [2024-11-19 10:47:45,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:47:45,786 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 36 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:47:45,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 86 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 10:47:45,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-19 10:47:45,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-11-19 10:47:45,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 52 states have (on average 1.4230769230769231) internal successors, (74), 72 states have internal predecessors, (74), 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) [2024-11-19 10:47:45,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 82 transitions. [2024-11-19 10:47:45,798 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 82 transitions. Word has length 32 [2024-11-19 10:47:45,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:47:45,798 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 82 transitions. [2024-11-19 10:47:45,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:47:45,798 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 82 transitions. [2024-11-19 10:47:45,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-19 10:47:45,799 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:47:45,799 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] [2024-11-19 10:47:45,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 10:47:45,799 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:47:45,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:47:45,799 INFO L85 PathProgramCache]: Analyzing trace with hash 419931781, now seen corresponding path program 1 times [2024-11-19 10:47:45,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:47:45,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265926992] [2024-11-19 10:47:45,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:47:45,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:47:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:47:45,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [715790666] [2024-11-19 10:47:45,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:47:45,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:47:45,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:47:45,822 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:47:45,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:47:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:47:45,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:47:45,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:47:45,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:47:45,932 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:47:45,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:47:45,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265926992] [2024-11-19 10:47:45,932 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:47:45,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715790666] [2024-11-19 10:47:45,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715790666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:47:45,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:47:45,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:47:45,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550522522] [2024-11-19 10:47:45,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:47:45,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:47:45,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:47:45,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:47:45,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:47:45,934 INFO L87 Difference]: Start difference. First operand 79 states and 82 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (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) [2024-11-19 10:47:46,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:47:46,022 INFO L93 Difference]: Finished difference Result 84 states and 88 transitions. [2024-11-19 10:47:46,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:47:46,022 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (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 33 [2024-11-19 10:47:46,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:47:46,023 INFO L225 Difference]: With dead ends: 84 [2024-11-19 10:47:46,023 INFO L226 Difference]: Without dead ends: 83 [2024-11-19 10:47:46,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:47:46,024 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 8 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:47:46,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 92 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:47:46,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-19 10:47:46,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2024-11-19 10:47:46,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 54 states have (on average 1.4074074074074074) internal successors, (76), 74 states have internal predecessors, (76), 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) [2024-11-19 10:47:46,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 84 transitions. [2024-11-19 10:47:46,029 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 84 transitions. Word has length 33 [2024-11-19 10:47:46,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:47:46,029 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 84 transitions. [2024-11-19 10:47:46,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (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) [2024-11-19 10:47:46,029 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 84 transitions. [2024-11-19 10:47:46,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-19 10:47:46,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:47:46,030 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] [2024-11-19 10:47:46,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 10:47:46,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:47:46,231 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:47:46,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:47:46,232 INFO L85 PathProgramCache]: Analyzing trace with hash 132983419, now seen corresponding path program 1 times [2024-11-19 10:47:46,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:47:46,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763200167] [2024-11-19 10:47:46,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:47:46,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:47:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:47:46,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [836913652] [2024-11-19 10:47:46,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:47:46,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:47:46,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:47:46,258 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:47:46,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 10:47:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:47:46,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:47:46,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:47:46,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:47:46,417 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:47:46,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:47:46,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763200167] [2024-11-19 10:47:46,420 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:47:46,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836913652] [2024-11-19 10:47:46,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836913652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:47:46,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:47:46,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:47:46,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904190819] [2024-11-19 10:47:46,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:47:46,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:47:46,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:47:46,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:47:46,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:47:46,422 INFO L87 Difference]: Start difference. First operand 81 states and 84 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (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) [2024-11-19 10:47:46,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:47:46,598 INFO L93 Difference]: Finished difference Result 86 states and 91 transitions. [2024-11-19 10:47:46,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:47:46,598 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (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 34 [2024-11-19 10:47:46,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:47:46,599 INFO L225 Difference]: With dead ends: 86 [2024-11-19 10:47:46,599 INFO L226 Difference]: Without dead ends: 85 [2024-11-19 10:47:46,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:47:46,600 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 8 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:47:46,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 80 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:47:46,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-19 10:47:46,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2024-11-19 10:47:46,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 55 states have (on average 1.4) internal successors, (77), 75 states have internal predecessors, (77), 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) [2024-11-19 10:47:46,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 85 transitions. [2024-11-19 10:47:46,607 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 85 transitions. Word has length 34 [2024-11-19 10:47:46,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:47:46,607 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 85 transitions. [2024-11-19 10:47:46,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (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) [2024-11-19 10:47:46,610 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 85 transitions. [2024-11-19 10:47:46,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-19 10:47:46,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:47:46,610 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] [2024-11-19 10:47:46,622 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 10:47:46,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:47:46,813 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:47:46,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:47:46,813 INFO L85 PathProgramCache]: Analyzing trace with hash -172481209, now seen corresponding path program 1 times [2024-11-19 10:47:46,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:47:46,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114834979] [2024-11-19 10:47:46,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:47:46,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:47:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:47:46,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:47:46,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:47:46,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114834979] [2024-11-19 10:47:46,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114834979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:47:46,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:47:46,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:47:46,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394607793] [2024-11-19 10:47:46,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:47:46,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:47:46,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:47:46,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:47:46,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:47:46,885 INFO L87 Difference]: Start difference. First operand 82 states and 85 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-11-19 10:47:50,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-19 10:47:54,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-19 10:47:55,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:47:55,013 INFO L93 Difference]: Finished difference Result 82 states and 85 transitions. [2024-11-19 10:47:55,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:47:55,013 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 35 [2024-11-19 10:47:55,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:47:55,014 INFO L225 Difference]: With dead ends: 82 [2024-11-19 10:47:55,014 INFO L226 Difference]: Without dead ends: 74 [2024-11-19 10:47:55,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:47:55,015 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 47 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:47:55,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 69 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 65 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2024-11-19 10:47:55,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-19 10:47:55,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-19 10:47:55,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 67 states have internal predecessors, (68), 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) [2024-11-19 10:47:55,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 76 transitions. [2024-11-19 10:47:55,025 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 76 transitions. Word has length 35 [2024-11-19 10:47:55,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:47:55,025 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 76 transitions. [2024-11-19 10:47:55,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-11-19 10:47:55,025 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2024-11-19 10:47:55,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-19 10:47:55,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:47:55,027 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] [2024-11-19 10:47:55,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 10:47:55,027 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:47:55,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:47:55,028 INFO L85 PathProgramCache]: Analyzing trace with hash -864067445, now seen corresponding path program 1 times [2024-11-19 10:47:55,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:47:55,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348228914] [2024-11-19 10:47:55,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:47:55,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:47:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:47:55,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [996796559] [2024-11-19 10:47:55,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:47:55,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:47:55,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:47:55,049 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:47:55,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:47:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:47:55,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:47:55,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:47:55,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:47:55,229 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:47:55,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:47:55,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348228914] [2024-11-19 10:47:55,350 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:47:55,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996796559] [2024-11-19 10:47:55,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996796559] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:47:55,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:47:55,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-19 10:47:55,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308745046] [2024-11-19 10:47:55,350 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:47:55,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:47:55,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:47:55,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:47:55,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:47:55,351 INFO L87 Difference]: Start difference. First operand 74 states and 76 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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) [2024-11-19 10:47:55,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:47:55,547 INFO L93 Difference]: Finished difference Result 77 states and 79 transitions. [2024-11-19 10:47:55,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:47:55,548 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 37 [2024-11-19 10:47:55,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:47:55,548 INFO L225 Difference]: With dead ends: 77 [2024-11-19 10:47:55,548 INFO L226 Difference]: Without dead ends: 76 [2024-11-19 10:47:55,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:47:55,549 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 23 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:47:55,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 95 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:47:55,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-19 10:47:55,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-19 10:47:55,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 51 states have (on average 1.3725490196078431) internal successors, (70), 69 states have internal predecessors, (70), 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) [2024-11-19 10:47:55,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 78 transitions. [2024-11-19 10:47:55,557 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 78 transitions. Word has length 37 [2024-11-19 10:47:55,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:47:55,557 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 78 transitions. [2024-11-19 10:47:55,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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) [2024-11-19 10:47:55,557 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 78 transitions. [2024-11-19 10:47:55,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-19 10:47:55,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:47:55,558 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] [2024-11-19 10:47:55,572 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-19 10:47:55,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:47:55,758 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:47:55,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:47:55,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1440125075, now seen corresponding path program 1 times [2024-11-19 10:47:55,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:47:55,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134863612] [2024-11-19 10:47:55,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:47:55,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:47:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:47:55,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [927726704] [2024-11-19 10:47:55,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:47:55,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:47:55,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:47:55,769 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:47:55,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 10:47:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:47:55,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:47:55,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:47:55,835 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:47:55,835 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:47:55,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:47:55,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134863612] [2024-11-19 10:47:55,976 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:47:55,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927726704] [2024-11-19 10:47:55,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927726704] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:47:55,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:47:55,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-19 10:47:55,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616659374] [2024-11-19 10:47:55,976 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:47:55,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:47:55,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:47:55,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:47:55,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:47:55,978 INFO L87 Difference]: Start difference. First operand 76 states and 78 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-11-19 10:47:56,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:47:56,118 INFO L93 Difference]: Finished difference Result 76 states and 78 transitions. [2024-11-19 10:47:56,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:47:56,118 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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 39 [2024-11-19 10:47:56,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:47:56,119 INFO L225 Difference]: With dead ends: 76 [2024-11-19 10:47:56,119 INFO L226 Difference]: Without dead ends: 72 [2024-11-19 10:47:56,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:47:56,120 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 18 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:47:56,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 72 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:47:56,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-19 10:47:56,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-19 10:47:56,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 65 states have internal predecessors, (66), 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) [2024-11-19 10:47:56,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2024-11-19 10:47:56,125 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 39 [2024-11-19 10:47:56,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:47:56,125 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2024-11-19 10:47:56,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-11-19 10:47:56,125 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2024-11-19 10:47:56,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-19 10:47:56,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:47:56,126 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] [2024-11-19 10:47:56,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-19 10:47:56,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:47:56,327 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:47:56,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:47:56,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1694204316, now seen corresponding path program 1 times [2024-11-19 10:47:56,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:47:56,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552813252] [2024-11-19 10:47:56,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:47:56,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:47:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:47:56,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [643337331] [2024-11-19 10:47:56,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:47:56,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:47:56,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:47:56,339 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:47:56,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 10:47:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:47:56,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:47:56,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:47:56,508 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:47:56,508 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:47:56,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:47:56,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552813252] [2024-11-19 10:47:56,628 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:47:56,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643337331] [2024-11-19 10:47:56,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643337331] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:47:56,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:47:56,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-19 10:47:56,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885279318] [2024-11-19 10:47:56,628 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:47:56,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:47:56,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:47:56,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:47:56,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:47:56,629 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 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) [2024-11-19 10:47:56,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:47:56,823 INFO L93 Difference]: Finished difference Result 97 states and 107 transitions. [2024-11-19 10:47:56,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:47:56,823 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 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 40 [2024-11-19 10:47:56,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:47:56,824 INFO L225 Difference]: With dead ends: 97 [2024-11-19 10:47:56,824 INFO L226 Difference]: Without dead ends: 93 [2024-11-19 10:47:56,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:47:56,824 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 57 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:47:56,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 91 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:47:56,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-19 10:47:56,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2024-11-19 10:47:56,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 69 states have (on average 1.3478260869565217) internal successors, (93), 83 states have internal predecessors, (93), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:47:56,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 103 transitions. [2024-11-19 10:47:56,828 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 103 transitions. Word has length 40 [2024-11-19 10:47:56,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:47:56,829 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 103 transitions. [2024-11-19 10:47:56,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 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) [2024-11-19 10:47:56,829 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 103 transitions. [2024-11-19 10:47:56,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-19 10:47:56,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:47:56,829 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:47:56,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-19 10:47:57,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-19 10:47:57,031 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:47:57,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:47:57,031 INFO L85 PathProgramCache]: Analyzing trace with hash -980726193, now seen corresponding path program 1 times [2024-11-19 10:47:57,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:47:57,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205658203] [2024-11-19 10:47:57,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:47:57,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:47:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:47:57,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [645985552] [2024-11-19 10:47:57,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:47:57,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:47:57,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:47:57,041 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:47:57,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 10:47:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:47:57,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 10:47:57,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:47:57,199 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:47:57,200 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:47:57,383 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:47:57,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:47:57,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205658203] [2024-11-19 10:47:57,384 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:47:57,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645985552] [2024-11-19 10:47:57,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645985552] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:47:57,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:47:57,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2024-11-19 10:47:57,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82992632] [2024-11-19 10:47:57,384 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:47:57,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 10:47:57,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:47:57,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 10:47:57,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:47:57,385 INFO L87 Difference]: Start difference. First operand 91 states and 103 transitions. Second operand has 9 states, 8 states have (on average 7.375) internal successors, (59), 9 states have internal predecessors, (59), 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) [2024-11-19 10:47:58,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:47:58,468 INFO L93 Difference]: Finished difference Result 101 states and 112 transitions. [2024-11-19 10:47:58,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:47:58,469 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.375) internal successors, (59), 9 states have internal predecessors, (59), 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 41 [2024-11-19 10:47:58,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:47:58,471 INFO L225 Difference]: With dead ends: 101 [2024-11-19 10:47:58,471 INFO L226 Difference]: Without dead ends: 99 [2024-11-19 10:47:58,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:47:58,472 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 69 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:47:58,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 126 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 10:47:58,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-19 10:47:58,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 90. [2024-11-19 10:47:58,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 69 states have (on average 1.3043478260869565) internal successors, (90), 82 states have internal predecessors, (90), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:47:58,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 100 transitions. [2024-11-19 10:47:58,478 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 100 transitions. Word has length 41 [2024-11-19 10:47:58,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:47:58,478 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 100 transitions. [2024-11-19 10:47:58,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.375) internal successors, (59), 9 states have internal predecessors, (59), 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) [2024-11-19 10:47:58,478 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 100 transitions. [2024-11-19 10:47:58,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-19 10:47:58,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:47:58,480 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] [2024-11-19 10:47:58,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-19 10:47:58,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-19 10:47:58,684 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:47:58,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:47:58,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1880031951, now seen corresponding path program 1 times [2024-11-19 10:47:58,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:47:58,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649976032] [2024-11-19 10:47:58,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:47:58,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:47:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:47:58,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [632780548] [2024-11-19 10:47:58,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:47:58,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:47:58,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:47:58,699 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:47:58,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 10:47:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:47:58,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:47:58,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:47:58,861 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:47:58,862 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:47:58,985 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:47:58,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:47:58,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649976032] [2024-11-19 10:47:58,985 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:47:58,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632780548] [2024-11-19 10:47:58,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632780548] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:47:58,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:47:58,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-19 10:47:58,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824019972] [2024-11-19 10:47:58,985 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:47:58,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:47:58,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:47:58,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:47:58,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:47:58,986 INFO L87 Difference]: Start difference. First operand 90 states and 100 transitions. Second operand has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 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) [2024-11-19 10:48:04,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-19 10:48:08,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-19 10:48:09,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:48:09,169 INFO L93 Difference]: Finished difference Result 103 states and 112 transitions. [2024-11-19 10:48:09,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:48:09,170 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 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 43 [2024-11-19 10:48:09,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:48:09,170 INFO L225 Difference]: With dead ends: 103 [2024-11-19 10:48:09,170 INFO L226 Difference]: Without dead ends: 99 [2024-11-19 10:48:09,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:48:09,171 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 34 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:48:09,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 145 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 226 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time] [2024-11-19 10:48:09,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-19 10:48:09,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2024-11-19 10:48:09,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 77 states have (on average 1.2467532467532467) internal successors, (96), 89 states have internal predecessors, (96), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:48:09,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 106 transitions. [2024-11-19 10:48:09,175 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 106 transitions. Word has length 43 [2024-11-19 10:48:09,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:48:09,175 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 106 transitions. [2024-11-19 10:48:09,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 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) [2024-11-19 10:48:09,176 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 106 transitions. [2024-11-19 10:48:09,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-19 10:48:09,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:48:09,176 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:48:09,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-19 10:48:09,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-19 10:48:09,380 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:48:09,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:48:09,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1917174407, now seen corresponding path program 1 times [2024-11-19 10:48:09,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:48:09,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107280815] [2024-11-19 10:48:09,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:48:09,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:48:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:48:09,452 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:48:09,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:48:09,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107280815] [2024-11-19 10:48:09,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107280815] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:48:09,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951263750] [2024-11-19 10:48:09,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:48:09,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:48:09,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:48:09,454 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:48:09,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-19 10:48:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:48:09,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:48:09,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:48:09,530 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:48:09,530 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:48:09,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951263750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:48:09,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:48:09,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-19 10:48:09,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62058064] [2024-11-19 10:48:09,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:48:09,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:48:09,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:48:09,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:48:09,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:48:09,532 INFO L87 Difference]: Start difference. First operand 97 states and 106 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-19 10:48:09,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:48:09,550 INFO L93 Difference]: Finished difference Result 97 states and 106 transitions. [2024-11-19 10:48:09,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:48:09,550 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 53 [2024-11-19 10:48:09,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:48:09,550 INFO L225 Difference]: With dead ends: 97 [2024-11-19 10:48:09,551 INFO L226 Difference]: Without dead ends: 96 [2024-11-19 10:48:09,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:48:09,552 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 17 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:48:09,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 87 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:48:09,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-19 10:48:09,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-19 10:48:09,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 77 states have (on average 1.2207792207792207) internal successors, (94), 88 states have internal predecessors, (94), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:48:09,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 104 transitions. [2024-11-19 10:48:09,558 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 104 transitions. Word has length 53 [2024-11-19 10:48:09,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:48:09,559 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 104 transitions. [2024-11-19 10:48:09,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-19 10:48:09,559 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 104 transitions. [2024-11-19 10:48:09,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-19 10:48:09,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:48:09,559 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:48:09,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-19 10:48:09,760 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,SelfDestructingSolverStorable14 [2024-11-19 10:48:09,760 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:48:09,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:48:09,760 INFO L85 PathProgramCache]: Analyzing trace with hash -697135456, now seen corresponding path program 1 times [2024-11-19 10:48:09,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:48:09,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695371212] [2024-11-19 10:48:09,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:48:09,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:48:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:48:09,842 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:48:09,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:48:09,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695371212] [2024-11-19 10:48:09,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695371212] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:48:09,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723141983] [2024-11-19 10:48:09,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:48:09,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:48:09,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:48:09,844 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:48:09,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-19 10:48:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:48:09,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:48:09,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:48:09,913 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:48:09,913 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:48:09,966 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:48:09,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723141983] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:48:09,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:48:09,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-19 10:48:09,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376106778] [2024-11-19 10:48:09,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:48:09,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:48:09,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:48:09,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:48:09,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:48:09,967 INFO L87 Difference]: Start difference. First operand 96 states and 104 transitions. Second operand has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-19 10:48:09,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:48:09,992 INFO L93 Difference]: Finished difference Result 106 states and 113 transitions. [2024-11-19 10:48:09,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:48:09,992 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 54 [2024-11-19 10:48:09,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:48:09,993 INFO L225 Difference]: With dead ends: 106 [2024-11-19 10:48:09,993 INFO L226 Difference]: Without dead ends: 105 [2024-11-19 10:48:09,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:48:09,994 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 19 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:48:09,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 149 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:48:09,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-19 10:48:09,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 95. [2024-11-19 10:48:09,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 77 states have (on average 1.1948051948051948) internal successors, (92), 87 states have internal predecessors, (92), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:48:09,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 102 transitions. [2024-11-19 10:48:09,998 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 102 transitions. Word has length 54 [2024-11-19 10:48:09,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:48:09,998 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 102 transitions. [2024-11-19 10:48:09,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-19 10:48:09,999 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 102 transitions. [2024-11-19 10:48:09,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-19 10:48:09,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:48:09,999 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:48:10,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-19 10:48:10,199 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,SelfDestructingSolverStorable15 [2024-11-19 10:48:10,200 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:48:10,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:48:10,200 INFO L85 PathProgramCache]: Analyzing trace with hash 66465152, now seen corresponding path program 1 times [2024-11-19 10:48:10,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:48:10,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023128190] [2024-11-19 10:48:10,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:48:10,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:48:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:48:10,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1052401770] [2024-11-19 10:48:10,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:48:10,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:48:10,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:48:10,214 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:48:10,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-19 10:48:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:48:10,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 10:48:10,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:48:10,501 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-19 10:48:10,501 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:48:18,656 WARN L873 $PredicateComparison]: unable to prove that (< (let ((.cse0 (mod (+ 4294967295 |c_ULTIMATE.start_main_~z~0#1|) 4294967296))) (+ .cse0 (* |c_ULTIMATE.start_main_~x~0#1| (mod |c_ULTIMATE.start_main_~z~0#1| 4294967296) .cse0))) 9223372036854775807) is different from true [2024-11-19 10:49:03,248 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 11 not checked. [2024-11-19 10:49:03,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:49:03,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023128190] [2024-11-19 10:49:03,249 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:49:03,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052401770] [2024-11-19 10:49:03,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052401770] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:49:03,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:49:03,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-19 10:49:03,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874603955] [2024-11-19 10:49:03,249 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:49:03,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 10:49:03,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:49:03,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 10:49:03,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=100, Unknown=1, NotChecked=20, Total=156 [2024-11-19 10:49:03,250 INFO L87 Difference]: Start difference. First operand 95 states and 102 transitions. Second operand has 13 states, 12 states have (on average 6.75) internal successors, (81), 13 states have internal predecessors, (81), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-19 10:49:07,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-19 10:49:07,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:49:07,995 INFO L93 Difference]: Finished difference Result 116 states and 129 transitions. [2024-11-19 10:49:07,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:49:07,995 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.75) internal successors, (81), 13 states have internal predecessors, (81), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) Word has length 56 [2024-11-19 10:49:07,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:49:07,996 INFO L225 Difference]: With dead ends: 116 [2024-11-19 10:49:07,997 INFO L226 Difference]: Without dead ends: 114 [2024-11-19 10:49:07,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=43, Invalid=116, Unknown=1, NotChecked=22, Total=182 [2024-11-19 10:49:07,998 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 116 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 109 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-19 10:49:07,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 181 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 381 Invalid, 1 Unknown, 109 Unchecked, 4.7s Time] [2024-11-19 10:49:07,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-19 10:49:08,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 102. [2024-11-19 10:49:08,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 83 states have (on average 1.216867469879518) internal successors, (101), 93 states have internal predecessors, (101), 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) [2024-11-19 10:49:08,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 113 transitions. [2024-11-19 10:49:08,007 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 113 transitions. Word has length 56 [2024-11-19 10:49:08,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:49:08,008 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 113 transitions. [2024-11-19 10:49:08,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.75) internal successors, (81), 13 states have internal predecessors, (81), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-19 10:49:08,008 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 113 transitions. [2024-11-19 10:49:08,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-19 10:49:08,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:49:08,008 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:49:08,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-19 10:49:08,212 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,SelfDestructingSolverStorable16 [2024-11-19 10:49:08,213 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:49:08,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:49:08,213 INFO L85 PathProgramCache]: Analyzing trace with hash 2060419808, now seen corresponding path program 1 times [2024-11-19 10:49:08,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:49:08,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357242809] [2024-11-19 10:49:08,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:08,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:49:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:49:08,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [965400653] [2024-11-19 10:49:08,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:49:08,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:49:08,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:49:08,239 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:49:08,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-19 10:49:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:49:08,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:49:08,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:49:12,704 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:49:12,704 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:49:25,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:49:25,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357242809] [2024-11-19 10:49:25,460 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:49:25,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965400653] [2024-11-19 10:49:25,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965400653] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:49:25,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:49:25,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-19 10:49:25,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391369692] [2024-11-19 10:49:25,461 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:49:25,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:49:25,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:49:25,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:49:25,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=57, Unknown=2, NotChecked=0, Total=90 [2024-11-19 10:49:25,462 INFO L87 Difference]: Start difference. First operand 102 states and 113 transitions. Second operand has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 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)