./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-multidimensional/init-non-constant-3-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-multidimensional/init-non-constant-3-u.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 df76811034b688387cfe28dd1eb6de91c21580662ac8ddb8163b41c1d6179172 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:02:07,320 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:02:07,356 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:02:07,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:02:07,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:02:07,374 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:02:07,375 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:02:07,375 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:02:07,376 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:02:07,376 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:02:07,376 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:02:07,377 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:02:07,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:02:07,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:02:07,378 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:02:07,378 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:02:07,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:02:07,378 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:02:07,379 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:02:07,379 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:02:07,379 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:02:07,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:02:07,380 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:02:07,380 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:02:07,381 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:02:07,381 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:02:07,381 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:02:07,381 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:02:07,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:02:07,382 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:02:07,382 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:02:07,382 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:02:07,383 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:02:07,383 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:02:07,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:02:07,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:02:07,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:02:07,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:02:07,384 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:02:07,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:02:07,384 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:02:07,385 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:02:07,385 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:02:07,385 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:02:07,385 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df76811034b688387cfe28dd1eb6de91c21580662ac8ddb8163b41c1d6179172 [2024-11-19 10:02:07,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:02:07,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:02:07,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:02:07,698 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:02:07,699 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:02:07,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/init-non-constant-3-u.c [2024-11-19 10:02:09,070 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:02:09,233 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:02:09,234 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/init-non-constant-3-u.c [2024-11-19 10:02:09,241 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/887a9d5f6/151dc30a88564651a0de9316a492aceb/FLAG198809239 [2024-11-19 10:02:09,256 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/887a9d5f6/151dc30a88564651a0de9316a492aceb [2024-11-19 10:02:09,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:02:09,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:02:09,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:02:09,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:02:09,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:02:09,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:02:09" (1/1) ... [2024-11-19 10:02:09,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@287ab969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:09, skipping insertion in model container [2024-11-19 10:02:09,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:02:09" (1/1) ... [2024-11-19 10:02:09,297 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:02:09,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:02:09,483 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:02:09,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:02:09,520 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:02:09,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:09 WrapperNode [2024-11-19 10:02:09,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:02:09,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:02:09,522 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:02:09,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:02:09,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:09" (1/1) ... [2024-11-19 10:02:09,566 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:09" (1/1) ... [2024-11-19 10:02:09,582 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2024-11-19 10:02:09,582 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:02:09,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:02:09,583 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:02:09,583 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:02:09,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:09" (1/1) ... [2024-11-19 10:02:09,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:09" (1/1) ... [2024-11-19 10:02:09,612 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:09" (1/1) ... [2024-11-19 10:02:09,623 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-11-19 10:02:09,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:09" (1/1) ... [2024-11-19 10:02:09,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:09" (1/1) ... [2024-11-19 10:02:09,631 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:09" (1/1) ... [2024-11-19 10:02:09,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:09" (1/1) ... [2024-11-19 10:02:09,638 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:09" (1/1) ... [2024-11-19 10:02:09,639 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:09" (1/1) ... [2024-11-19 10:02:09,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:02:09,641 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:02:09,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:02:09,641 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:02:09,646 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:09" (1/1) ... [2024-11-19 10:02:09,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:02:09,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:02:09,681 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 10:02:09,683 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 10:02:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:02:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:02:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 10:02:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 10:02:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 10:02:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 10:02:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:02:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:02:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 10:02:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 10:02:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 10:02:09,780 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:02:09,782 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:02:09,957 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-11-19 10:02:09,957 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:02:09,970 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:02:09,971 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-19 10:02:09,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:02:09 BoogieIcfgContainer [2024-11-19 10:02:09,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:02:09,973 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:02:09,974 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:02:09,976 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:02:09,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:02:09" (1/3) ... [2024-11-19 10:02:09,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711193ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:02:09, skipping insertion in model container [2024-11-19 10:02:09,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:09" (2/3) ... [2024-11-19 10:02:09,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711193ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:02:09, skipping insertion in model container [2024-11-19 10:02:09,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:02:09" (3/3) ... [2024-11-19 10:02:09,978 INFO L112 eAbstractionObserver]: Analyzing ICFG init-non-constant-3-u.c [2024-11-19 10:02:10,002 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:02:10,002 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2024-11-19 10:02:10,076 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:02:10,082 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;@661022d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:02:10,083 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-19 10:02:10,087 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 36 states have (on average 1.9166666666666667) internal successors, (69), 56 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:10,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-19 10:02:10,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:10,092 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-19 10:02:10,093 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-19 10:02:10,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:10,097 INFO L85 PathProgramCache]: Analyzing trace with hash 28699914, now seen corresponding path program 1 times [2024-11-19 10:02:10,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:10,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922809524] [2024-11-19 10:02:10,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:10,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:10,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:02:10,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:10,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922809524] [2024-11-19 10:02:10,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922809524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:02:10,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:02:10,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:02:10,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005626771] [2024-11-19 10:02:10,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:02:10,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:02:10,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:10,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:02:10,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:02:10,382 INFO L87 Difference]: Start difference. First operand has 57 states, 36 states have (on average 1.9166666666666667) internal successors, (69), 56 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:10,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:10,640 INFO L93 Difference]: Finished difference Result 138 states and 183 transitions. [2024-11-19 10:02:10,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:02:10,648 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-19 10:02:10,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:10,663 INFO L225 Difference]: With dead ends: 138 [2024-11-19 10:02:10,663 INFO L226 Difference]: Without dead ends: 77 [2024-11-19 10:02:10,666 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 10:02:10,672 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 90 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:10,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 55 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:02:10,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-19 10:02:10,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 73. [2024-11-19 10:02:10,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 53 states have (on average 1.7358490566037736) internal successors, (92), 72 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:10,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 92 transitions. [2024-11-19 10:02:10,781 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 92 transitions. Word has length 5 [2024-11-19 10:02:10,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:10,791 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 92 transitions. [2024-11-19 10:02:10,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:10,792 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2024-11-19 10:02:10,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-19 10:02:10,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:10,793 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-19 10:02:10,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 10:02:10,793 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-19 10:02:10,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:10,794 INFO L85 PathProgramCache]: Analyzing trace with hash 889698573, now seen corresponding path program 1 times [2024-11-19 10:02:10,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:10,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751530981] [2024-11-19 10:02:10,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:10,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:10,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:02:10,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:10,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751530981] [2024-11-19 10:02:10,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751530981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:02:10,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:02:10,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:02:10,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279977626] [2024-11-19 10:02:10,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:02:10,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:02:10,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:10,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:02:10,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:02:10,957 INFO L87 Difference]: Start difference. First operand 73 states and 92 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:11,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:11,084 INFO L93 Difference]: Finished difference Result 143 states and 181 transitions. [2024-11-19 10:02:11,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:02:11,084 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-19 10:02:11,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:11,087 INFO L225 Difference]: With dead ends: 143 [2024-11-19 10:02:11,087 INFO L226 Difference]: Without dead ends: 135 [2024-11-19 10:02:11,087 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 10:02:11,088 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 87 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:11,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 65 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:02:11,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-19 10:02:11,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 123. [2024-11-19 10:02:11,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 103 states have (on average 1.6796116504854368) internal successors, (173), 122 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:11,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 173 transitions. [2024-11-19 10:02:11,103 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 173 transitions. Word has length 6 [2024-11-19 10:02:11,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:11,104 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 173 transitions. [2024-11-19 10:02:11,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:11,104 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 173 transitions. [2024-11-19 10:02:11,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-19 10:02:11,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:11,106 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:02:11,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 10:02:11,107 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-19 10:02:11,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:11,108 INFO L85 PathProgramCache]: Analyzing trace with hash 301838767, now seen corresponding path program 1 times [2024-11-19 10:02:11,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:11,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743999375] [2024-11-19 10:02:11,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:11,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:11,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:02:11,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:11,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743999375] [2024-11-19 10:02:11,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743999375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:02:11,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:02:11,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:02:11,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817455126] [2024-11-19 10:02:11,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:02:11,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:02:11,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:11,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:02:11,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:02:11,234 INFO L87 Difference]: Start difference. First operand 123 states and 173 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:11,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:11,395 INFO L93 Difference]: Finished difference Result 159 states and 199 transitions. [2024-11-19 10:02:11,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:02:11,395 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-19 10:02:11,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:11,396 INFO L225 Difference]: With dead ends: 159 [2024-11-19 10:02:11,396 INFO L226 Difference]: Without dead ends: 151 [2024-11-19 10:02:11,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:02:11,398 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 84 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:11,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 67 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:02:11,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-19 10:02:11,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 139. [2024-11-19 10:02:11,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 119 states have (on average 1.6050420168067228) internal successors, (191), 138 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:11,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 191 transitions. [2024-11-19 10:02:11,414 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 191 transitions. Word has length 8 [2024-11-19 10:02:11,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:11,414 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 191 transitions. [2024-11-19 10:02:11,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:11,415 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 191 transitions. [2024-11-19 10:02:11,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-19 10:02:11,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:11,416 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-19 10:02:11,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 10:02:11,416 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-19 10:02:11,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:11,421 INFO L85 PathProgramCache]: Analyzing trace with hash -2033692235, now seen corresponding path program 1 times [2024-11-19 10:02:11,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:11,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917254293] [2024-11-19 10:02:11,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:11,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:11,464 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:02:11,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:11,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917254293] [2024-11-19 10:02:11,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917254293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:02:11,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:02:11,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:02:11,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348937617] [2024-11-19 10:02:11,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:02:11,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:02:11,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:11,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:02:11,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:02:11,466 INFO L87 Difference]: Start difference. First operand 139 states and 191 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:11,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:11,522 INFO L93 Difference]: Finished difference Result 312 states and 447 transitions. [2024-11-19 10:02:11,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:02:11,523 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-19 10:02:11,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:11,524 INFO L225 Difference]: With dead ends: 312 [2024-11-19 10:02:11,524 INFO L226 Difference]: Without dead ends: 191 [2024-11-19 10:02:11,524 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 10:02:11,525 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 71 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:11,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 66 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:02:11,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-19 10:02:11,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 187. [2024-11-19 10:02:11,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 167 states have (on average 1.562874251497006) internal successors, (261), 186 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:11,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 261 transitions. [2024-11-19 10:02:11,542 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 261 transitions. Word has length 10 [2024-11-19 10:02:11,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:11,544 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 261 transitions. [2024-11-19 10:02:11,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:11,544 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 261 transitions. [2024-11-19 10:02:11,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 10:02:11,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:11,545 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:02:11,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 10:02:11,545 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-19 10:02:11,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:11,547 INFO L85 PathProgramCache]: Analyzing trace with hash 744162266, now seen corresponding path program 1 times [2024-11-19 10:02:11,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:11,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255560150] [2024-11-19 10:02:11,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:11,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:11,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:02:11,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:11,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255560150] [2024-11-19 10:02:11,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255560150] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:02:11,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060408657] [2024-11-19 10:02:11,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:11,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:11,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:02:11,664 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 10:02:11,665 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 10:02:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:11,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:02:11,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:02:12,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:02:12,028 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:02:12,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060408657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:02:12,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:02:12,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-19 10:02:12,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079512903] [2024-11-19 10:02:12,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:02:12,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:02:12,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:12,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:02:12,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:02:12,029 INFO L87 Difference]: Start difference. First operand 187 states and 261 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:12,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:12,298 INFO L93 Difference]: Finished difference Result 187 states and 261 transitions. [2024-11-19 10:02:12,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:02:12,298 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-19 10:02:12,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:12,299 INFO L225 Difference]: With dead ends: 187 [2024-11-19 10:02:12,299 INFO L226 Difference]: Without dead ends: 177 [2024-11-19 10:02:12,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:02:12,305 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 60 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:12,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 10 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:02:12,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-19 10:02:12,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-11-19 10:02:12,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 167 states have (on average 1.3233532934131738) internal successors, (221), 176 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:12,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 221 transitions. [2024-11-19 10:02:12,320 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 221 transitions. Word has length 15 [2024-11-19 10:02:12,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:12,320 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 221 transitions. [2024-11-19 10:02:12,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:12,320 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 221 transitions. [2024-11-19 10:02:12,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-19 10:02:12,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:12,321 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:02:12,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 10:02:12,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:12,522 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-19 10:02:12,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:12,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1594193833, now seen corresponding path program 1 times [2024-11-19 10:02:12,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:12,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668004664] [2024-11-19 10:02:12,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:12,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:12,593 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:02:12,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:12,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668004664] [2024-11-19 10:02:12,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668004664] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:02:12,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882268358] [2024-11-19 10:02:12,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:12,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:12,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:02:12,604 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 10:02:12,608 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 10:02:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:12,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:02:12,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:02:12,757 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:02:12,758 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:02:12,820 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:02:12,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882268358] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:02:12,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:02:12,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-19 10:02:12,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992938099] [2024-11-19 10:02:12,821 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:02:12,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:02:12,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:12,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:02:12,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:02:12,823 INFO L87 Difference]: Start difference. First operand 177 states and 221 transitions. Second operand has 14 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 14 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:13,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:13,309 INFO L93 Difference]: Finished difference Result 369 states and 464 transitions. [2024-11-19 10:02:13,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-19 10:02:13,312 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 14 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-19 10:02:13,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:13,314 INFO L225 Difference]: With dead ends: 369 [2024-11-19 10:02:13,314 INFO L226 Difference]: Without dead ends: 359 [2024-11-19 10:02:13,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=214, Invalid=386, Unknown=0, NotChecked=0, Total=600 [2024-11-19 10:02:13,315 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 602 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:13,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 56 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:02:13,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-19 10:02:13,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 349. [2024-11-19 10:02:13,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 339 states have (on average 1.2684365781710913) internal successors, (430), 348 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:13,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 430 transitions. [2024-11-19 10:02:13,351 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 430 transitions. Word has length 16 [2024-11-19 10:02:13,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:13,351 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 430 transitions. [2024-11-19 10:02:13,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 14 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:13,352 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 430 transitions. [2024-11-19 10:02:13,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-19 10:02:13,352 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:13,352 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-19 10:02:13,379 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 10:02:13,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-19 10:02:13,554 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-19 10:02:13,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:13,554 INFO L85 PathProgramCache]: Analyzing trace with hash -985227758, now seen corresponding path program 1 times [2024-11-19 10:02:13,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:13,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101944957] [2024-11-19 10:02:13,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:13,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:13,678 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:02:13,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:13,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101944957] [2024-11-19 10:02:13,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101944957] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:02:13,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404184115] [2024-11-19 10:02:13,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:13,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:13,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:02:13,681 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 10:02:13,682 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 10:02:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:13,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:02:13,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:02:13,767 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:02:13,767 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:02:13,800 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:02:13,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404184115] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:02:13,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:02:13,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-19 10:02:13,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885856713] [2024-11-19 10:02:13,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:02:13,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:02:13,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:13,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:02:13,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:02:13,802 INFO L87 Difference]: Start difference. First operand 349 states and 430 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:13,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:13,917 INFO L93 Difference]: Finished difference Result 858 states and 1103 transitions. [2024-11-19 10:02:13,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:02:13,918 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2024-11-19 10:02:13,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:13,920 INFO L225 Difference]: With dead ends: 858 [2024-11-19 10:02:13,920 INFO L226 Difference]: Without dead ends: 541 [2024-11-19 10:02:13,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:02:13,921 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 137 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:13,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 113 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:02:13,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-11-19 10:02:13,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 535. [2024-11-19 10:02:13,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 525 states have (on average 1.2495238095238095) internal successors, (656), 534 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:13,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 656 transitions. [2024-11-19 10:02:13,934 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 656 transitions. Word has length 29 [2024-11-19 10:02:13,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:13,935 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 656 transitions. [2024-11-19 10:02:13,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:13,935 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 656 transitions. [2024-11-19 10:02:13,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-19 10:02:13,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:13,935 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1] [2024-11-19 10:02:13,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 10:02:14,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:14,140 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-19 10:02:14,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:14,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1954481237, now seen corresponding path program 1 times [2024-11-19 10:02:14,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:14,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439650528] [2024-11-19 10:02:14,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:14,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:14,214 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 10:02:14,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:14,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439650528] [2024-11-19 10:02:14,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439650528] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:02:14,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400071896] [2024-11-19 10:02:14,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:14,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:14,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:02:14,216 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 10:02:14,217 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 10:02:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:14,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:02:14,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:02:14,344 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:02:14,345 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:02:14,409 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:02:14,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400071896] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:02:14,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:02:14,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 11 [2024-11-19 10:02:14,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089639067] [2024-11-19 10:02:14,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:02:14,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:02:14,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:14,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:02:14,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:02:14,415 INFO L87 Difference]: Start difference. First operand 535 states and 656 transitions. Second operand has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:14,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:14,547 INFO L93 Difference]: Finished difference Result 655 states and 816 transitions. [2024-11-19 10:02:14,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:02:14,547 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2024-11-19 10:02:14,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:14,549 INFO L225 Difference]: With dead ends: 655 [2024-11-19 10:02:14,549 INFO L226 Difference]: Without dead ends: 653 [2024-11-19 10:02:14,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=129, Invalid=177, Unknown=0, NotChecked=0, Total=306 [2024-11-19 10:02:14,550 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 215 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:14,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 101 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:02:14,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2024-11-19 10:02:14,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 533. [2024-11-19 10:02:14,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 525 states have (on average 1.2) internal successors, (630), 532 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:14,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 630 transitions. [2024-11-19 10:02:14,563 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 630 transitions. Word has length 32 [2024-11-19 10:02:14,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:14,563 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 630 transitions. [2024-11-19 10:02:14,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 12 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:14,564 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 630 transitions. [2024-11-19 10:02:14,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-19 10:02:14,565 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:14,565 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:02:14,590 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 10:02:14,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:14,769 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-19 10:02:14,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:14,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1000260707, now seen corresponding path program 1 times [2024-11-19 10:02:14,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:14,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376068558] [2024-11-19 10:02:14,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:14,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:14,919 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 80 proven. 46 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-19 10:02:14,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:14,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376068558] [2024-11-19 10:02:14,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376068558] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:02:14,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790463691] [2024-11-19 10:02:14,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:14,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:14,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:02:14,922 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 10:02:14,924 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 10:02:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:14,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:02:14,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:02:15,185 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 80 proven. 46 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-19 10:02:15,185 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:02:15,343 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 80 proven. 46 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-19 10:02:15,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790463691] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:02:15,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:02:15,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2024-11-19 10:02:15,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696221387] [2024-11-19 10:02:15,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:02:15,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-19 10:02:15,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:15,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-19 10:02:15,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=195, Unknown=0, NotChecked=0, Total=342 [2024-11-19 10:02:15,345 INFO L87 Difference]: Start difference. First operand 533 states and 630 transitions. Second operand has 19 states, 19 states have (on average 5.578947368421052) internal successors, (106), 19 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:15,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:15,599 INFO L93 Difference]: Finished difference Result 1723 states and 2101 transitions. [2024-11-19 10:02:15,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 10:02:15,600 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.578947368421052) internal successors, (106), 19 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-11-19 10:02:15,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:15,603 INFO L225 Difference]: With dead ends: 1723 [2024-11-19 10:02:15,604 INFO L226 Difference]: Without dead ends: 1223 [2024-11-19 10:02:15,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=222, Invalid=330, Unknown=0, NotChecked=0, Total=552 [2024-11-19 10:02:15,605 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 388 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:15,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 177 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:02:15,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2024-11-19 10:02:15,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 1205. [2024-11-19 10:02:15,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1205 states, 1197 states have (on average 1.1879699248120301) internal successors, (1422), 1204 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:15,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1422 transitions. [2024-11-19 10:02:15,661 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1422 transitions. Word has length 55 [2024-11-19 10:02:15,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:15,661 INFO L471 AbstractCegarLoop]: Abstraction has 1205 states and 1422 transitions. [2024-11-19 10:02:15,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.578947368421052) internal successors, (106), 19 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:15,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1422 transitions. [2024-11-19 10:02:15,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-19 10:02:15,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:15,663 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:02:15,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-19 10:02:15,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:15,868 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-19 10:02:15,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:15,869 INFO L85 PathProgramCache]: Analyzing trace with hash 75467453, now seen corresponding path program 2 times [2024-11-19 10:02:15,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:15,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853991385] [2024-11-19 10:02:15,869 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:02:15,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:15,886 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:02:15,887 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:02:15,918 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2024-11-19 10:02:15,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:15,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853991385] [2024-11-19 10:02:15,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853991385] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:02:15,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821613759] [2024-11-19 10:02:15,919 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:02:15,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:15,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:02:15,921 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 10:02:15,929 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 10:02:15,984 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:02:15,985 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:02:15,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:02:15,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:02:16,286 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 153 proven. 48 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2024-11-19 10:02:16,286 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:02:16,522 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2024-11-19 10:02:16,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821613759] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:02:16,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:02:16,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-19 10:02:16,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321684952] [2024-11-19 10:02:16,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:02:16,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:02:16,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:16,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:02:16,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:02:16,526 INFO L87 Difference]: Start difference. First operand 1205 states and 1422 transitions. Second operand has 11 states, 10 states have (on average 7.9) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:16,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:16,815 INFO L93 Difference]: Finished difference Result 1209 states and 1422 transitions. [2024-11-19 10:02:16,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 10:02:16,816 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.9) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-11-19 10:02:16,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:16,820 INFO L225 Difference]: With dead ends: 1209 [2024-11-19 10:02:16,820 INFO L226 Difference]: Without dead ends: 1206 [2024-11-19 10:02:16,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:02:16,824 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 25 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:16,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 40 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:02:16,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1206 states. [2024-11-19 10:02:16,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1206 to 1058. [2024-11-19 10:02:16,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 1050 states have (on average 1.1666666666666667) internal successors, (1225), 1057 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:16,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1225 transitions. [2024-11-19 10:02:16,860 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1225 transitions. Word has length 97 [2024-11-19 10:02:16,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:16,860 INFO L471 AbstractCegarLoop]: Abstraction has 1058 states and 1225 transitions. [2024-11-19 10:02:16,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.9) internal successors, (79), 11 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:16,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1225 transitions. [2024-11-19 10:02:16,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-19 10:02:16,862 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:16,862 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:02:16,879 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 10:02:17,062 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 10:02:17,063 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-19 10:02:17,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:17,064 INFO L85 PathProgramCache]: Analyzing trace with hash 933067268, now seen corresponding path program 1 times [2024-11-19 10:02:17,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:17,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315569088] [2024-11-19 10:02:17,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:17,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:17,162 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 668 trivial. 0 not checked. [2024-11-19 10:02:17,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:17,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315569088] [2024-11-19 10:02:17,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315569088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:02:17,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:02:17,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:02:17,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465514874] [2024-11-19 10:02:17,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:02:17,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:02:17,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:17,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:02:17,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:02:17,164 INFO L87 Difference]: Start difference. First operand 1058 states and 1225 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:17,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:17,247 INFO L93 Difference]: Finished difference Result 1730 states and 2004 transitions. [2024-11-19 10:02:17,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:02:17,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2024-11-19 10:02:17,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:17,250 INFO L225 Difference]: With dead ends: 1730 [2024-11-19 10:02:17,250 INFO L226 Difference]: Without dead ends: 1058 [2024-11-19 10:02:17,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:02:17,252 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 14 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:17,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 46 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:02:17,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2024-11-19 10:02:17,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 1058. [2024-11-19 10:02:17,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 1050 states have (on average 1.1657142857142857) internal successors, (1224), 1057 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:17,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1224 transitions. [2024-11-19 10:02:17,295 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1224 transitions. Word has length 123 [2024-11-19 10:02:17,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:17,295 INFO L471 AbstractCegarLoop]: Abstraction has 1058 states and 1224 transitions. [2024-11-19 10:02:17,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:17,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1224 transitions. [2024-11-19 10:02:17,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-19 10:02:17,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:17,297 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-19 10:02:17,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 10:02:17,298 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-19 10:02:17,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:17,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1274936571, now seen corresponding path program 1 times [2024-11-19 10:02:17,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:17,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950257330] [2024-11-19 10:02:17,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:17,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:17,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1442 backedges. 759 proven. 1 refuted. 0 times theorem prover too weak. 682 trivial. 0 not checked. [2024-11-19 10:02:17,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:17,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950257330] [2024-11-19 10:02:17,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950257330] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:02:17,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340431077] [2024-11-19 10:02:17,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:17,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:17,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:02:17,470 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 10:02:17,471 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 10:02:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:17,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 10:02:17,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:02:17,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1442 backedges. 756 proven. 325 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2024-11-19 10:02:17,971 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:02:18,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1442 backedges. 756 proven. 325 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2024-11-19 10:02:18,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340431077] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:02:18,244 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:02:18,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 14, 14] total 28 [2024-11-19 10:02:18,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911023069] [2024-11-19 10:02:18,244 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:02:18,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-19 10:02:18,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:18,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-19 10:02:18,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=446, Unknown=0, NotChecked=0, Total=756 [2024-11-19 10:02:18,246 INFO L87 Difference]: Start difference. First operand 1058 states and 1224 transitions. Second operand has 28 states, 28 states have (on average 6.357142857142857) internal successors, (178), 28 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:20,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:20,322 INFO L93 Difference]: Finished difference Result 4365 states and 5220 transitions. [2024-11-19 10:02:20,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-19 10:02:20,323 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 6.357142857142857) internal successors, (178), 28 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 159 [2024-11-19 10:02:20,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:20,331 INFO L225 Difference]: With dead ends: 4365 [2024-11-19 10:02:20,331 INFO L226 Difference]: Without dead ends: 3311 [2024-11-19 10:02:20,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2116 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=2483, Invalid=4489, Unknown=0, NotChecked=0, Total=6972 [2024-11-19 10:02:20,335 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 2971 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2971 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:20,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2971 Valid, 144 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 10:02:20,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3311 states. [2024-11-19 10:02:20,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3311 to 2396. [2024-11-19 10:02:20,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2396 states, 2388 states have (on average 1.1482412060301508) internal successors, (2742), 2395 states have internal predecessors, (2742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:20,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2396 states and 2742 transitions. [2024-11-19 10:02:20,515 INFO L78 Accepts]: Start accepts. Automaton has 2396 states and 2742 transitions. Word has length 159 [2024-11-19 10:02:20,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:20,515 INFO L471 AbstractCegarLoop]: Abstraction has 2396 states and 2742 transitions. [2024-11-19 10:02:20,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.357142857142857) internal successors, (178), 28 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:20,516 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 2742 transitions. [2024-11-19 10:02:20,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2024-11-19 10:02:20,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:20,522 INFO L215 NwaCegarLoop]: trace histogram [67, 67, 66, 66, 66, 66, 66, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1] [2024-11-19 10:02:20,542 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 10:02:20,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:20,723 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-19 10:02:20,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:20,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1347167652, now seen corresponding path program 2 times [2024-11-19 10:02:20,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:20,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463490215] [2024-11-19 10:02:20,724 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:02:20,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:20,771 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:02:20,771 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:02:20,799 INFO L134 CoverageAnalysis]: Checked inductivity of 15434 backedges. 0 proven. 7077 refuted. 0 times theorem prover too weak. 8357 trivial. 0 not checked. [2024-11-19 10:02:20,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:20,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463490215] [2024-11-19 10:02:20,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463490215] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:02:20,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508618589] [2024-11-19 10:02:20,800 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:02:20,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:20,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:02:20,802 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 10:02:20,803 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 10:02:20,883 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:02:20,884 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:02:20,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:02:20,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:02:21,544 INFO L134 CoverageAnalysis]: Checked inductivity of 15434 backedges. 6876 proven. 201 refuted. 0 times theorem prover too weak. 8357 trivial. 0 not checked. [2024-11-19 10:02:21,545 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:02:21,983 INFO L134 CoverageAnalysis]: Checked inductivity of 15434 backedges. 0 proven. 7077 refuted. 0 times theorem prover too weak. 8357 trivial. 0 not checked. [2024-11-19 10:02:21,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508618589] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:02:21,983 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:02:21,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-19 10:02:21,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097214730] [2024-11-19 10:02:21,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:02:21,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:02:21,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:21,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:02:21,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:02:21,985 INFO L87 Difference]: Start difference. First operand 2396 states and 2742 transitions. Second operand has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:22,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:22,116 INFO L93 Difference]: Finished difference Result 2396 states and 2742 transitions. [2024-11-19 10:02:22,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:02:22,117 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 485 [2024-11-19 10:02:22,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:22,122 INFO L225 Difference]: With dead ends: 2396 [2024-11-19 10:02:22,122 INFO L226 Difference]: Without dead ends: 2390 [2024-11-19 10:02:22,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 976 GetRequests, 964 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:02:22,123 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 98 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:22,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 15 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:02:22,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2390 states. [2024-11-19 10:02:22,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2390 to 1809. [2024-11-19 10:02:22,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1809 states, 1807 states have (on average 1.0702822357498616) internal successors, (1934), 1808 states have internal predecessors, (1934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:22,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 1934 transitions. [2024-11-19 10:02:22,177 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 1934 transitions. Word has length 485 [2024-11-19 10:02:22,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:22,177 INFO L471 AbstractCegarLoop]: Abstraction has 1809 states and 1934 transitions. [2024-11-19 10:02:22,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:22,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 1934 transitions. [2024-11-19 10:02:22,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2024-11-19 10:02:22,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:22,183 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 44, 44, 44, 44, 25, 25, 25, 25, 24, 24, 24, 24, 24, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:02:22,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-19 10:02:22,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-19 10:02:22,388 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-19 10:02:22,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:22,389 INFO L85 PathProgramCache]: Analyzing trace with hash -635031507, now seen corresponding path program 1 times [2024-11-19 10:02:22,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:22,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682007588] [2024-11-19 10:02:22,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:22,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:22,983 INFO L134 CoverageAnalysis]: Checked inductivity of 9347 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9346 trivial. 0 not checked. [2024-11-19 10:02:22,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:22,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682007588] [2024-11-19 10:02:22,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682007588] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:02:22,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170816328] [2024-11-19 10:02:22,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:22,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:22,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:02:22,992 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 10:02:22,993 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 10:02:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:23,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 1077 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-19 10:02:23,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:02:24,338 INFO L134 CoverageAnalysis]: Checked inductivity of 9347 backedges. 3436 proven. 1639 refuted. 0 times theorem prover too weak. 4272 trivial. 0 not checked. [2024-11-19 10:02:24,338 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:02:25,213 INFO L134 CoverageAnalysis]: Checked inductivity of 9347 backedges. 3436 proven. 1639 refuted. 0 times theorem prover too weak. 4272 trivial. 0 not checked. [2024-11-19 10:02:25,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170816328] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:02:25,213 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:02:25,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 26, 26] total 52 [2024-11-19 10:02:25,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932717453] [2024-11-19 10:02:25,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:02:25,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-19 10:02:25,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:25,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-19 10:02:25,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1186, Invalid=1466, Unknown=0, NotChecked=0, Total=2652 [2024-11-19 10:02:25,217 INFO L87 Difference]: Start difference. First operand 1809 states and 1934 transitions. Second operand has 52 states, 52 states have (on average 7.019230769230769) internal successors, (365), 52 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:30,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:30,227 INFO L93 Difference]: Finished difference Result 6157 states and 6907 transitions. [2024-11-19 10:02:30,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-11-19 10:02:30,228 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 7.019230769230769) internal successors, (365), 52 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 551 [2024-11-19 10:02:30,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:30,247 INFO L225 Difference]: With dead ends: 6157 [2024-11-19 10:02:30,247 INFO L226 Difference]: Without dead ends: 4507 [2024-11-19 10:02:30,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1220 GetRequests, 1054 SyntacticMatches, 0 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9132 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=9863, Invalid=18193, Unknown=0, NotChecked=0, Total=28056 [2024-11-19 10:02:30,254 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 6995 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 536 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6995 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 1333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 536 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:30,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6995 Valid, 143 Invalid, 1333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [536 Valid, 797 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 10:02:30,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4507 states. [2024-11-19 10:02:30,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4507 to 3681. [2024-11-19 10:02:30,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3681 states, 3679 states have (on average 1.066865996194618) internal successors, (3925), 3680 states have internal predecessors, (3925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:30,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3681 states to 3681 states and 3925 transitions. [2024-11-19 10:02:30,359 INFO L78 Accepts]: Start accepts. Automaton has 3681 states and 3925 transitions. Word has length 551 [2024-11-19 10:02:30,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:30,359 INFO L471 AbstractCegarLoop]: Abstraction has 3681 states and 3925 transitions. [2024-11-19 10:02:30,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 7.019230769230769) internal successors, (365), 52 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:30,359 INFO L276 IsEmpty]: Start isEmpty. Operand 3681 states and 3925 transitions. [2024-11-19 10:02:30,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1322 [2024-11-19 10:02:30,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:30,367 INFO L215 NwaCegarLoop]: trace histogram [185, 185, 185, 185, 184, 184, 184, 5, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1] [2024-11-19 10:02:30,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-19 10:02:30,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-19 10:02:30,573 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-19 10:02:30,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:30,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1411177158, now seen corresponding path program 1 times [2024-11-19 10:02:30,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:30,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957422453] [2024-11-19 10:02:30,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:30,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:36,144 INFO L134 CoverageAnalysis]: Checked inductivity of 119556 backedges. 44954 proven. 7291 refuted. 0 times theorem prover too weak. 67311 trivial. 0 not checked. [2024-11-19 10:02:36,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:36,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957422453] [2024-11-19 10:02:36,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957422453] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:02:36,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390718986] [2024-11-19 10:02:36,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:36,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:36,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:02:36,149 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 10:02:36,151 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 10:02:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:36,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 2498 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-19 10:02:36,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:02:38,246 INFO L134 CoverageAnalysis]: Checked inductivity of 119556 backedges. 44954 proven. 7291 refuted. 0 times theorem prover too weak. 67311 trivial. 0 not checked. [2024-11-19 10:02:38,246 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:02:40,684 INFO L134 CoverageAnalysis]: Checked inductivity of 119556 backedges. 44954 proven. 7291 refuted. 0 times theorem prover too weak. 67311 trivial. 0 not checked. [2024-11-19 10:02:40,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390718986] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:02:40,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:02:40,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 50, 50] total 145 [2024-11-19 10:02:40,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857390014] [2024-11-19 10:02:40,687 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:02:40,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2024-11-19 10:02:40,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:40,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2024-11-19 10:02:40,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9219, Invalid=11661, Unknown=0, NotChecked=0, Total=20880 [2024-11-19 10:02:40,709 INFO L87 Difference]: Start difference. First operand 3681 states and 3925 transitions. Second operand has 145 states, 145 states have (on average 6.848275862068966) internal successors, (993), 145 states have internal predecessors, (993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:47,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:47,895 INFO L93 Difference]: Finished difference Result 10779 states and 11986 transitions. [2024-11-19 10:02:47,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-11-19 10:02:47,897 INFO L78 Accepts]: Start accepts. Automaton has has 145 states, 145 states have (on average 6.848275862068966) internal successors, (993), 145 states have internal predecessors, (993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1321 [2024-11-19 10:02:47,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:47,921 INFO L225 Difference]: With dead ends: 10779 [2024-11-19 10:02:47,921 INFO L226 Difference]: Without dead ends: 7425 [2024-11-19 10:02:47,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2737 GetRequests, 2547 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13345 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=13872, Invalid=22800, Unknown=0, NotChecked=0, Total=36672 [2024-11-19 10:02:47,930 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 5606 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 1289 mSolverCounterSat, 511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5606 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 1800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 511 IncrementalHoareTripleChecker+Valid, 1289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:47,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5606 Valid, 794 Invalid, 1800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [511 Valid, 1289 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-19 10:02:47,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7425 states. [2024-11-19 10:02:48,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7425 to 7425. [2024-11-19 10:02:48,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7425 states, 7423 states have (on average 1.065472181058871) internal successors, (7909), 7424 states have internal predecessors, (7909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:48,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7425 states to 7425 states and 7909 transitions. [2024-11-19 10:02:48,223 INFO L78 Accepts]: Start accepts. Automaton has 7425 states and 7909 transitions. Word has length 1321 [2024-11-19 10:02:48,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:48,225 INFO L471 AbstractCegarLoop]: Abstraction has 7425 states and 7909 transitions. [2024-11-19 10:02:48,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 6.848275862068966) internal successors, (993), 145 states have internal predecessors, (993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:48,226 INFO L276 IsEmpty]: Start isEmpty. Operand 7425 states and 7909 transitions. [2024-11-19 10:02:48,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2666 [2024-11-19 10:02:48,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:48,255 INFO L215 NwaCegarLoop]: trace histogram [377, 377, 377, 377, 376, 376, 376, 5, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1] [2024-11-19 10:02:48,277 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 10:02:48,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-19 10:02:48,460 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-19 10:02:48,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:48,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1096788282, now seen corresponding path program 2 times [2024-11-19 10:02:48,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:48,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032159266] [2024-11-19 10:02:48,461 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:02:48,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:48,601 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:02:48,601 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:02:48,634 INFO L134 CoverageAnalysis]: Checked inductivity of 496932 backedges. 0 proven. 1890 refuted. 0 times theorem prover too weak. 495042 trivial. 0 not checked. [2024-11-19 10:02:48,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:48,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032159266] [2024-11-19 10:02:48,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032159266] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:02:48,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915798549] [2024-11-19 10:02:48,634 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:02:48,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:48,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:02:48,636 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 10:02:48,637 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 10:02:48,911 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:02:48,911 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:02:48,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:02:48,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:02:51,548 INFO L134 CoverageAnalysis]: Checked inductivity of 496932 backedges. 0 proven. 1890 refuted. 0 times theorem prover too weak. 495042 trivial. 0 not checked. [2024-11-19 10:02:51,548 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:02:54,070 INFO L134 CoverageAnalysis]: Checked inductivity of 496932 backedges. 0 proven. 1890 refuted. 0 times theorem prover too weak. 495042 trivial. 0 not checked. [2024-11-19 10:02:54,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915798549] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:02:54,070 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:02:54,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-19 10:02:54,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285433540] [2024-11-19 10:02:54,071 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:02:54,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:02:54,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:54,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:02:54,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:02:54,073 INFO L87 Difference]: Start difference. First operand 7425 states and 7909 transitions. Second operand has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:54,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:54,413 INFO L93 Difference]: Finished difference Result 7447 states and 7931 transitions. [2024-11-19 10:02:54,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:02:54,414 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2665 [2024-11-19 10:02:54,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:54,437 INFO L225 Difference]: With dead ends: 7447 [2024-11-19 10:02:54,438 INFO L226 Difference]: Without dead ends: 7445 [2024-11-19 10:02:54,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5337 GetRequests, 5324 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:02:54,441 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 163 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:54,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 21 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:02:54,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7445 states. [2024-11-19 10:02:54,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7445 to 6567. [2024-11-19 10:02:54,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6567 states, 6565 states have (on average 1.0307692307692307) internal successors, (6767), 6566 states have internal predecessors, (6767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:54,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6567 states to 6567 states and 6767 transitions. [2024-11-19 10:02:54,709 INFO L78 Accepts]: Start accepts. Automaton has 6567 states and 6767 transitions. Word has length 2665 [2024-11-19 10:02:54,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:54,710 INFO L471 AbstractCegarLoop]: Abstraction has 6567 states and 6767 transitions. [2024-11-19 10:02:54,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:54,710 INFO L276 IsEmpty]: Start isEmpty. Operand 6567 states and 6767 transitions. [2024-11-19 10:02:54,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3335 [2024-11-19 10:02:54,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:54,751 INFO L215 NwaCegarLoop]: trace histogram [472, 472, 472, 472, 471, 471, 471, 6, 5, 5, 5, 3, 2, 2, 2, 1, 1, 1] [2024-11-19 10:02:54,763 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 10:02:54,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-19 10:02:54,952 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-19 10:02:54,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:54,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1238396146, now seen corresponding path program 3 times [2024-11-19 10:02:54,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:54,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223811393] [2024-11-19 10:02:54,953 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:02:54,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:55,090 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 10:02:55,090 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:02:55,131 INFO L134 CoverageAnalysis]: Checked inductivity of 779573 backedges. 0 proven. 253838 refuted. 0 times theorem prover too weak. 525735 trivial. 0 not checked. [2024-11-19 10:02:55,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:55,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223811393] [2024-11-19 10:02:55,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223811393] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:02:55,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562240794] [2024-11-19 10:02:55,132 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:02:55,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:55,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:02:55,134 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 10:02:55,142 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 10:02:55,520 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 10:02:55,520 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:02:55,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:02:55,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:02:59,085 INFO L134 CoverageAnalysis]: Checked inductivity of 779573 backedges. 251954 proven. 1884 refuted. 0 times theorem prover too weak. 525735 trivial. 0 not checked. [2024-11-19 10:02:59,086 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:03:02,268 INFO L134 CoverageAnalysis]: Checked inductivity of 779573 backedges. 0 proven. 253838 refuted. 0 times theorem prover too weak. 525735 trivial. 0 not checked. [2024-11-19 10:03:02,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562240794] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:03:02,269 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:03:02,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-19 10:03:02,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15203761] [2024-11-19 10:03:02,272 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:03:02,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 10:03:02,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:03:02,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 10:03:02,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:03:02,275 INFO L87 Difference]: Start difference. First operand 6567 states and 6767 transitions. Second operand has 13 states, 12 states have (on average 9.0) internal successors, (108), 13 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:03:02,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:03:02,574 INFO L93 Difference]: Finished difference Result 6567 states and 6767 transitions. [2024-11-19 10:03:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 10:03:02,575 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.0) internal successors, (108), 13 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3334 [2024-11-19 10:03:02,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:03:02,582 INFO L225 Difference]: With dead ends: 6567 [2024-11-19 10:03:02,582 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 10:03:02,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6677 GetRequests, 6660 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2024-11-19 10:03:02,593 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 111 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:03:02,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 12 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:03:02,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 10:03:02,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 10:03:02,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:03:02,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 10:03:02,595 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3334 [2024-11-19 10:03:02,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:03:02,595 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 10:03:02,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.0) internal successors, (108), 13 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:03:02,596 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 10:03:02,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 10:03:02,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-19 10:03:02,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-19 10:03:02,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-19 10:03:02,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-19 10:03:02,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-19 10:03:02,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-19 10:03:02,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-19 10:03:02,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-19 10:03:02,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining) [2024-11-19 10:03:02,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining) [2024-11-19 10:03:02,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 20 remaining) [2024-11-19 10:03:02,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 20 remaining) [2024-11-19 10:03:02,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-19 10:03:02,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-19 10:03:02,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-19 10:03:02,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-19 10:03:02,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-19 10:03:02,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-19 10:03:02,608 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-19 10:03:02,608 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-19 10:03:02,634 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 10:03:02,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-19 10:03:02,817 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:03:02,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.