./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/skipped.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/skipped.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 0c36d485530e5f36dabf3b382821b7ad25023b1cbf4cb81b13349652fc8273f7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:07:48,585 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:07:48,661 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:07:48,667 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:07:48,669 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:07:48,695 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:07:48,695 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:07:48,709 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:07:48,709 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:07:48,710 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:07:48,711 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:07:48,711 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:07:48,712 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:07:48,712 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:07:48,712 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:07:48,713 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:07:48,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:07:48,716 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:07:48,716 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:07:48,716 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:07:48,719 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:07:48,719 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:07:48,719 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:07:48,720 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:07:48,720 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:07:48,720 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:07:48,720 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:07:48,720 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:07:48,721 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:07:48,721 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:07:48,721 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:07:48,721 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:07:48,722 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:07:48,722 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:07:48,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:07:48,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:07:48,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:07:48,724 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:07:48,724 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:07:48,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:07:48,725 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:07:48,725 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:07:48,725 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:07:48,726 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:07:48,726 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c36d485530e5f36dabf3b382821b7ad25023b1cbf4cb81b13349652fc8273f7 [2024-10-11 20:07:48,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:07:49,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:07:49,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:07:49,010 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:07:49,010 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:07:49,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/skipped.c [2024-10-11 20:07:50,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:07:50,686 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:07:50,687 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/skipped.c [2024-10-11 20:07:50,695 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/43e4f6eaa/3ab0643624cb49e8bbffa04970544788/FLAG8498ef07d [2024-10-11 20:07:50,710 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/43e4f6eaa/3ab0643624cb49e8bbffa04970544788 [2024-10-11 20:07:50,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:07:50,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:07:50,714 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:07:50,715 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:07:50,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:07:50,721 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:07:50" (1/1) ... [2024-10-11 20:07:50,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6419abd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:50, skipping insertion in model container [2024-10-11 20:07:50,722 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:07:50" (1/1) ... [2024-10-11 20:07:50,743 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:07:50,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:07:50,951 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:07:50,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:07:50,985 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:07:50,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:50 WrapperNode [2024-10-11 20:07:50,985 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:07:50,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:07:50,987 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:07:50,987 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:07:50,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:50" (1/1) ... [2024-10-11 20:07:50,999 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:50" (1/1) ... [2024-10-11 20:07:51,026 INFO L138 Inliner]: procedures = 16, calls = 17, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 117 [2024-10-11 20:07:51,026 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:07:51,027 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:07:51,027 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:07:51,027 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:07:51,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:50" (1/1) ... [2024-10-11 20:07:51,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:50" (1/1) ... [2024-10-11 20:07:51,038 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:50" (1/1) ... [2024-10-11 20:07:51,051 INFO L175 MemorySlicer]: Split 8 memory accesses to 2 slices as follows [2, 6]. 75 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 3 writes are split as follows [0, 3]. [2024-10-11 20:07:51,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:50" (1/1) ... [2024-10-11 20:07:51,052 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:50" (1/1) ... [2024-10-11 20:07:51,057 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:50" (1/1) ... [2024-10-11 20:07:51,060 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:50" (1/1) ... [2024-10-11 20:07:51,062 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:50" (1/1) ... [2024-10-11 20:07:51,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:50" (1/1) ... [2024-10-11 20:07:51,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:07:51,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:07:51,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:07:51,066 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:07:51,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:50" (1/1) ... [2024-10-11 20:07:51,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:07:51,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:51,103 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 20:07:51,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 20:07:51,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:07:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:07:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 20:07:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 20:07:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 20:07:51,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 20:07:51,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:07:51,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:07:51,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 20:07:51,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 20:07:51,223 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:07:51,225 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:07:51,519 INFO L? ?]: Removed 52 outVars from TransFormulas that were not future-live. [2024-10-11 20:07:51,520 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:07:51,553 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:07:51,553 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-11 20:07:51,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:07:51 BoogieIcfgContainer [2024-10-11 20:07:51,553 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:07:51,557 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:07:51,558 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:07:51,561 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:07:51,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:07:50" (1/3) ... [2024-10-11 20:07:51,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73fb346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:07:51, skipping insertion in model container [2024-10-11 20:07:51,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:07:50" (2/3) ... [2024-10-11 20:07:51,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73fb346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:07:51, skipping insertion in model container [2024-10-11 20:07:51,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:07:51" (3/3) ... [2024-10-11 20:07:51,564 INFO L112 eAbstractionObserver]: Analyzing ICFG skipped.c [2024-10-11 20:07:51,581 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:07:51,582 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2024-10-11 20:07:51,650 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:07:51,657 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;@7a3bcc6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:07:51,657 INFO L334 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2024-10-11 20:07:51,660 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 57 states have (on average 1.912280701754386) internal successors, (109), 97 states have internal predecessors, (109), 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) [2024-10-11 20:07:51,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-11 20:07:51,665 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:51,666 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-11 20:07:51,667 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2024-10-11 20:07:51,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:51,673 INFO L85 PathProgramCache]: Analyzing trace with hash 6027935, now seen corresponding path program 1 times [2024-10-11 20:07:51,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:51,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171151844] [2024-10-11 20:07:51,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:51,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:51,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:07:51,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:51,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171151844] [2024-10-11 20:07:51,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171151844] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:07:51,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:07:51,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:07:51,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427951714] [2024-10-11 20:07:51,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:07:51,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:07:51,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:51,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:07:51,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:07:51,992 INFO L87 Difference]: Start difference. First operand has 98 states, 57 states have (on average 1.912280701754386) internal successors, (109), 97 states have internal predecessors, (109), 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, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2024-10-11 20:07:52,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:52,181 INFO L93 Difference]: Finished difference Result 197 states and 221 transitions. [2024-10-11 20:07:52,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:07:52,184 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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 4 [2024-10-11 20:07:52,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:52,191 INFO L225 Difference]: With dead ends: 197 [2024-10-11 20:07:52,191 INFO L226 Difference]: Without dead ends: 100 [2024-10-11 20:07:52,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:07:52,197 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 3 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:52,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 206 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:07:52,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-10-11 20:07:52,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 97. [2024-10-11 20:07:52,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 57 states have (on average 1.7894736842105263) internal successors, (102), 96 states have internal predecessors, (102), 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) [2024-10-11 20:07:52,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 102 transitions. [2024-10-11 20:07:52,234 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 102 transitions. Word has length 4 [2024-10-11 20:07:52,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:52,234 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 102 transitions. [2024-10-11 20:07:52,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2024-10-11 20:07:52,235 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 102 transitions. [2024-10-11 20:07:52,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-11 20:07:52,235 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:52,235 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:07:52,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:07:52,236 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2024-10-11 20:07:52,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:52,236 INFO L85 PathProgramCache]: Analyzing trace with hash -958742183, now seen corresponding path program 1 times [2024-10-11 20:07:52,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:52,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266931514] [2024-10-11 20:07:52,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:52,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:52,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:07:52,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:52,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266931514] [2024-10-11 20:07:52,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266931514] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:07:52,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:07:52,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:07:52,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311300759] [2024-10-11 20:07:52,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:07:52,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:07:52,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:52,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:07:52,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:07:52,345 INFO L87 Difference]: Start difference. First operand 97 states and 102 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-10-11 20:07:52,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:52,460 INFO L93 Difference]: Finished difference Result 184 states and 192 transitions. [2024-10-11 20:07:52,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:07:52,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2024-10-11 20:07:52,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:52,463 INFO L225 Difference]: With dead ends: 184 [2024-10-11 20:07:52,465 INFO L226 Difference]: Without dead ends: 97 [2024-10-11 20:07:52,466 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 [2024-10-11 20:07:52,467 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:52,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:52,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-10-11 20:07:52,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-10-11 20:07:52,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 57 states have (on average 1.7719298245614035) internal successors, (101), 96 states have internal predecessors, (101), 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) [2024-10-11 20:07:52,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 101 transitions. [2024-10-11 20:07:52,481 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 101 transitions. Word has length 7 [2024-10-11 20:07:52,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:52,482 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 101 transitions. [2024-10-11 20:07:52,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-10-11 20:07:52,482 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 101 transitions. [2024-10-11 20:07:52,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-11 20:07:52,483 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:52,483 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-11 20:07:52,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 20:07:52,484 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2024-10-11 20:07:52,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:52,484 INFO L85 PathProgramCache]: Analyzing trace with hash -810361449, now seen corresponding path program 1 times [2024-10-11 20:07:52,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:52,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553787665] [2024-10-11 20:07:52,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:52,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:52,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:07:52,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:52,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553787665] [2024-10-11 20:07:52,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553787665] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:07:52,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212637489] [2024-10-11 20:07:52,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:52,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:52,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:52,630 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:07:52,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 20:07:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:52,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:07:52,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:07:52,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:07:52,736 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:07:52,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212637489] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:07:52,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:07:52,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-11 20:07:52,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352890957] [2024-10-11 20:07:52,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:07:52,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:07:52,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:52,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:07:52,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:07:52,738 INFO L87 Difference]: Start difference. First operand 97 states and 101 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 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) [2024-10-11 20:07:52,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:52,964 INFO L93 Difference]: Finished difference Result 156 states and 179 transitions. [2024-10-11 20:07:52,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:07:52,965 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 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 7 [2024-10-11 20:07:52,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:52,966 INFO L225 Difference]: With dead ends: 156 [2024-10-11 20:07:52,968 INFO L226 Difference]: Without dead ends: 139 [2024-10-11 20:07:52,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:07:52,970 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 85 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:52,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 82 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:07:52,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-10-11 20:07:52,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 132. [2024-10-11 20:07:52,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 93 states have (on average 1.6774193548387097) internal successors, (156), 131 states have internal predecessors, (156), 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) [2024-10-11 20:07:52,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 156 transitions. [2024-10-11 20:07:52,981 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 156 transitions. Word has length 7 [2024-10-11 20:07:52,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:52,982 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 156 transitions. [2024-10-11 20:07:52,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 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) [2024-10-11 20:07:52,982 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 156 transitions. [2024-10-11 20:07:52,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-11 20:07:52,983 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:52,983 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2024-10-11 20:07:52,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 20:07:53,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:53,184 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2024-10-11 20:07:53,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:53,185 INFO L85 PathProgramCache]: Analyzing trace with hash 648598906, now seen corresponding path program 1 times [2024-10-11 20:07:53,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:53,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632246756] [2024-10-11 20:07:53,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:53,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:53,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:07:53,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:53,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632246756] [2024-10-11 20:07:53,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632246756] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:07:53,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288191960] [2024-10-11 20:07:53,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:53,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:53,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:53,287 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:07:53,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 20:07:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:53,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:07:53,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:07:53,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:07:53,372 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:07:53,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:07:53,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288191960] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:07:53,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:07:53,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-11 20:07:53,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518626670] [2024-10-11 20:07:53,420 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:07:53,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:07:53,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:53,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:07:53,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:07:53,423 INFO L87 Difference]: Start difference. First operand 132 states and 156 transitions. Second operand has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 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) [2024-10-11 20:07:53,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:53,773 INFO L93 Difference]: Finished difference Result 165 states and 177 transitions. [2024-10-11 20:07:53,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:07:53,774 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 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 8 [2024-10-11 20:07:53,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:53,777 INFO L225 Difference]: With dead ends: 165 [2024-10-11 20:07:53,779 INFO L226 Difference]: Without dead ends: 148 [2024-10-11 20:07:53,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:07:53,780 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 111 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:53,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 127 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:07:53,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-10-11 20:07:53,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 142. [2024-10-11 20:07:53,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 103 states have (on average 1.4951456310679612) internal successors, (154), 141 states have internal predecessors, (154), 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) [2024-10-11 20:07:53,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 154 transitions. [2024-10-11 20:07:53,798 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 154 transitions. Word has length 8 [2024-10-11 20:07:53,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:53,799 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 154 transitions. [2024-10-11 20:07:53,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 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) [2024-10-11 20:07:53,800 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 154 transitions. [2024-10-11 20:07:53,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-11 20:07:53,801 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:53,801 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:07:53,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 20:07:54,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:54,002 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2024-10-11 20:07:54,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:54,003 INFO L85 PathProgramCache]: Analyzing trace with hash 384916321, now seen corresponding path program 1 times [2024-10-11 20:07:54,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:54,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573624916] [2024-10-11 20:07:54,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:54,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:54,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:07:54,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:54,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573624916] [2024-10-11 20:07:54,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573624916] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:07:54,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132744788] [2024-10-11 20:07:54,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:54,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:54,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:54,111 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:07:54,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 20:07:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:54,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:07:54,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:07:54,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:07:54,211 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:07:54,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:07:54,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132744788] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:07:54,244 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:07:54,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-11 20:07:54,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760756758] [2024-10-11 20:07:54,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:07:54,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:07:54,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:54,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:07:54,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:07:54,246 INFO L87 Difference]: Start difference. First operand 142 states and 154 transitions. Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 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) [2024-10-11 20:07:54,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:54,403 INFO L93 Difference]: Finished difference Result 266 states and 286 transitions. [2024-10-11 20:07:54,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:07:54,403 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 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 10 [2024-10-11 20:07:54,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:54,404 INFO L225 Difference]: With dead ends: 266 [2024-10-11 20:07:54,404 INFO L226 Difference]: Without dead ends: 142 [2024-10-11 20:07:54,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:07:54,406 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 1 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:54,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 272 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:54,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-10-11 20:07:54,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-10-11 20:07:54,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 103 states have (on average 1.4854368932038835) internal successors, (153), 141 states have internal predecessors, (153), 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) [2024-10-11 20:07:54,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 153 transitions. [2024-10-11 20:07:54,413 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 153 transitions. Word has length 10 [2024-10-11 20:07:54,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:54,414 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 153 transitions. [2024-10-11 20:07:54,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 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) [2024-10-11 20:07:54,414 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 153 transitions. [2024-10-11 20:07:54,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-11 20:07:54,414 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:54,414 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:07:54,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 20:07:54,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:54,619 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2024-10-11 20:07:54,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:54,619 INFO L85 PathProgramCache]: Analyzing trace with hash 220210265, now seen corresponding path program 2 times [2024-10-11 20:07:54,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:54,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836028260] [2024-10-11 20:07:54,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:54,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:54,768 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 20:07:54,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:54,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836028260] [2024-10-11 20:07:54,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836028260] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:07:54,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:07:54,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:07:54,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455731773] [2024-10-11 20:07:54,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:07:54,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:07:54,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:54,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:07:54,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:07:54,773 INFO L87 Difference]: Start difference. First operand 142 states and 153 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) 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) [2024-10-11 20:07:54,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:54,799 INFO L93 Difference]: Finished difference Result 142 states and 153 transitions. [2024-10-11 20:07:54,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:07:54,800 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) 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 13 [2024-10-11 20:07:54,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:54,801 INFO L225 Difference]: With dead ends: 142 [2024-10-11 20:07:54,801 INFO L226 Difference]: Without dead ends: 141 [2024-10-11 20:07:54,801 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 [2024-10-11 20:07:54,802 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 87 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:54,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 88 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:07:54,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-10-11 20:07:54,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2024-10-11 20:07:54,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 103 states have (on average 1.4660194174757282) internal successors, (151), 140 states have internal predecessors, (151), 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) [2024-10-11 20:07:54,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 151 transitions. [2024-10-11 20:07:54,818 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 151 transitions. Word has length 13 [2024-10-11 20:07:54,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:54,818 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 151 transitions. [2024-10-11 20:07:54,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) 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) [2024-10-11 20:07:54,818 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 151 transitions. [2024-10-11 20:07:54,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-11 20:07:54,818 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:54,819 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:07:54,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 20:07:54,819 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2024-10-11 20:07:54,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:54,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1763416306, now seen corresponding path program 1 times [2024-10-11 20:07:54,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:54,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33560857] [2024-10-11 20:07:54,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:54,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:55,090 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:07:55,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:55,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33560857] [2024-10-11 20:07:55,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33560857] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:07:55,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390612586] [2024-10-11 20:07:55,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:55,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:55,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:55,100 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:07:55,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 20:07:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:55,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:07:55,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:07:55,217 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 20:07:55,217 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:07:55,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390612586] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:07:55,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:07:55,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 10 [2024-10-11 20:07:55,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695776738] [2024-10-11 20:07:55,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:07:55,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:07:55,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:55,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:07:55,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:07:55,220 INFO L87 Difference]: Start difference. First operand 141 states and 151 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-10-11 20:07:55,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:55,237 INFO L93 Difference]: Finished difference Result 141 states and 151 transitions. [2024-10-11 20:07:55,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:07:55,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 14 [2024-10-11 20:07:55,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:55,239 INFO L225 Difference]: With dead ends: 141 [2024-10-11 20:07:55,239 INFO L226 Difference]: Without dead ends: 140 [2024-10-11 20:07:55,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:07:55,240 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 170 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:55,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 84 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:07:55,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-10-11 20:07:55,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2024-10-11 20:07:55,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 103 states have (on average 1.4466019417475728) internal successors, (149), 139 states have internal predecessors, (149), 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) [2024-10-11 20:07:55,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 149 transitions. [2024-10-11 20:07:55,254 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 149 transitions. Word has length 14 [2024-10-11 20:07:55,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:55,254 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 149 transitions. [2024-10-11 20:07:55,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-10-11 20:07:55,254 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 149 transitions. [2024-10-11 20:07:55,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 20:07:55,255 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:55,255 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1] [2024-10-11 20:07:55,272 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 20:07:55,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-11 20:07:55,455 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2024-10-11 20:07:55,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:55,456 INFO L85 PathProgramCache]: Analyzing trace with hash -398368910, now seen corresponding path program 2 times [2024-10-11 20:07:55,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:55,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634040563] [2024-10-11 20:07:55,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:55,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:55,626 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:07:55,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:55,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634040563] [2024-10-11 20:07:55,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634040563] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:07:55,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134763024] [2024-10-11 20:07:55,627 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:07:55,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:55,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:55,629 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:07:55,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 20:07:55,683 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 20:07:55,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:07:55,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:07:55,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:07:55,726 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 20:07:55,727 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:07:55,758 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 20:07:55,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134763024] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:07:55,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:07:55,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 2, 2] total 13 [2024-10-11 20:07:55,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831570046] [2024-10-11 20:07:55,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:07:55,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 20:07:55,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:55,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 20:07:55,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:07:55,760 INFO L87 Difference]: Start difference. First operand 140 states and 149 transitions. Second operand has 14 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:56,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:56,116 INFO L93 Difference]: Finished difference Result 147 states and 158 transitions. [2024-10-11 20:07:56,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 20:07:56,117 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-10-11 20:07:56,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:56,118 INFO L225 Difference]: With dead ends: 147 [2024-10-11 20:07:56,118 INFO L226 Difference]: Without dead ends: 146 [2024-10-11 20:07:56,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=144, Invalid=456, Unknown=0, NotChecked=0, Total=600 [2024-10-11 20:07:56,119 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 218 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:56,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 192 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:07:56,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-10-11 20:07:56,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 131. [2024-10-11 20:07:56,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 95 states have (on average 1.4526315789473685) internal successors, (138), 130 states have internal predecessors, (138), 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) [2024-10-11 20:07:56,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 138 transitions. [2024-10-11 20:07:56,125 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 138 transitions. Word has length 17 [2024-10-11 20:07:56,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:56,125 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 138 transitions. [2024-10-11 20:07:56,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:56,126 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 138 transitions. [2024-10-11 20:07:56,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-11 20:07:56,126 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:56,126 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:07:56,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 20:07:56,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:56,331 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2024-10-11 20:07:56,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:56,331 INFO L85 PathProgramCache]: Analyzing trace with hash -372944320, now seen corresponding path program 1 times [2024-10-11 20:07:56,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:56,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554345833] [2024-10-11 20:07:56,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:56,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:56,378 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 20:07:56,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:56,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554345833] [2024-10-11 20:07:56,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554345833] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:07:56,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:07:56,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:07:56,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215827481] [2024-10-11 20:07:56,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:07:56,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:07:56,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:56,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:07:56,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:07:56,381 INFO L87 Difference]: Start difference. First operand 131 states and 138 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-10-11 20:07:56,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:56,468 INFO L93 Difference]: Finished difference Result 138 states and 145 transitions. [2024-10-11 20:07:56,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:07:56,468 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-10-11 20:07:56,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:56,469 INFO L225 Difference]: With dead ends: 138 [2024-10-11 20:07:56,469 INFO L226 Difference]: Without dead ends: 136 [2024-10-11 20:07:56,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:07:56,470 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 1 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:56,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 185 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:56,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-10-11 20:07:56,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-10-11 20:07:56,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 100 states have (on average 1.43) internal successors, (143), 135 states have internal predecessors, (143), 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) [2024-10-11 20:07:56,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 143 transitions. [2024-10-11 20:07:56,475 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 143 transitions. Word has length 20 [2024-10-11 20:07:56,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:56,476 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 143 transitions. [2024-10-11 20:07:56,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-10-11 20:07:56,476 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 143 transitions. [2024-10-11 20:07:56,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-11 20:07:56,476 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:56,477 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:07:56,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 20:07:56,477 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2024-10-11 20:07:56,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:56,477 INFO L85 PathProgramCache]: Analyzing trace with hash -830426859, now seen corresponding path program 1 times [2024-10-11 20:07:56,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:56,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514202060] [2024-10-11 20:07:56,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:56,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:56,624 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-11 20:07:56,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:56,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514202060] [2024-10-11 20:07:56,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514202060] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:07:56,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:07:56,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 20:07:56,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597961165] [2024-10-11 20:07:56,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:07:56,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:07:56,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:56,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:07:56,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:07:56,626 INFO L87 Difference]: Start difference. First operand 136 states and 143 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 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) [2024-10-11 20:07:56,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:56,794 INFO L93 Difference]: Finished difference Result 150 states and 157 transitions. [2024-10-11 20:07:56,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:07:56,795 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 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 25 [2024-10-11 20:07:56,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:56,795 INFO L225 Difference]: With dead ends: 150 [2024-10-11 20:07:56,795 INFO L226 Difference]: Without dead ends: 137 [2024-10-11 20:07:56,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:07:56,796 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 160 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:56,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 57 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:07:56,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-10-11 20:07:56,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 136. [2024-10-11 20:07:56,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 100 states have (on average 1.42) internal successors, (142), 135 states have internal predecessors, (142), 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) [2024-10-11 20:07:56,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 142 transitions. [2024-10-11 20:07:56,803 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 142 transitions. Word has length 25 [2024-10-11 20:07:56,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:56,803 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 142 transitions. [2024-10-11 20:07:56,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 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) [2024-10-11 20:07:56,804 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 142 transitions. [2024-10-11 20:07:56,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-11 20:07:56,805 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:56,805 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:07:56,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 20:07:56,805 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2024-10-11 20:07:56,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:56,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1292205286, now seen corresponding path program 1 times [2024-10-11 20:07:56,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:56,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041932083] [2024-10-11 20:07:56,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:56,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:56,874 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 20:07:56,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:56,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041932083] [2024-10-11 20:07:56,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041932083] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:07:56,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:07:56,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:07:56,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916529333] [2024-10-11 20:07:56,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:07:56,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:07:56,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:56,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:07:56,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:07:56,878 INFO L87 Difference]: Start difference. First operand 136 states and 142 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:57,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:57,032 INFO L93 Difference]: Finished difference Result 141 states and 147 transitions. [2024-10-11 20:07:57,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:07:57,033 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2024-10-11 20:07:57,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:57,034 INFO L225 Difference]: With dead ends: 141 [2024-10-11 20:07:57,034 INFO L226 Difference]: Without dead ends: 139 [2024-10-11 20:07:57,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:07:57,035 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 19 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:57,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 111 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:57,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-10-11 20:07:57,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-10-11 20:07:57,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 103 states have (on average 1.4077669902912622) internal successors, (145), 138 states have internal predecessors, (145), 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) [2024-10-11 20:07:57,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 145 transitions. [2024-10-11 20:07:57,041 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 145 transitions. Word has length 35 [2024-10-11 20:07:57,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:57,042 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 145 transitions. [2024-10-11 20:07:57,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:57,042 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 145 transitions. [2024-10-11 20:07:57,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-11 20:07:57,043 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:57,044 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:07:57,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 20:07:57,044 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2024-10-11 20:07:57,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:57,045 INFO L85 PathProgramCache]: Analyzing trace with hash 944209563, now seen corresponding path program 1 times [2024-10-11 20:07:57,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:57,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275551788] [2024-10-11 20:07:57,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:57,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:57,146 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 20:07:57,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:57,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275551788] [2024-10-11 20:07:57,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275551788] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:07:57,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113311390] [2024-10-11 20:07:57,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:57,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:57,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:57,151 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:07:57,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 20:07:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:57,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:07:57,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:07:57,271 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 20:07:57,271 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:07:57,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113311390] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:07:57,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:07:57,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-10-11 20:07:57,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99612785] [2024-10-11 20:07:57,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:07:57,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:07:57,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:57,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:07:57,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:07:57,275 INFO L87 Difference]: Start difference. First operand 139 states and 145 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:57,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:57,462 INFO L93 Difference]: Finished difference Result 139 states and 145 transitions. [2024-10-11 20:07:57,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:07:57,463 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2024-10-11 20:07:57,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:57,464 INFO L225 Difference]: With dead ends: 139 [2024-10-11 20:07:57,464 INFO L226 Difference]: Without dead ends: 122 [2024-10-11 20:07:57,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:07:57,465 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 54 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:57,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 52 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:07:57,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-10-11 20:07:57,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-10-11 20:07:57,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 103 states have (on average 1.2427184466019416) internal successors, (128), 121 states have internal predecessors, (128), 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) [2024-10-11 20:07:57,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 128 transitions. [2024-10-11 20:07:57,470 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 128 transitions. Word has length 40 [2024-10-11 20:07:57,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:57,470 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 128 transitions. [2024-10-11 20:07:57,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:07:57,470 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 128 transitions. [2024-10-11 20:07:57,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-11 20:07:57,471 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:57,471 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:07:57,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-11 20:07:57,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-11 20:07:57,673 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2024-10-11 20:07:57,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:57,673 INFO L85 PathProgramCache]: Analyzing trace with hash -794274539, now seen corresponding path program 1 times [2024-10-11 20:07:57,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:57,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856211792] [2024-10-11 20:07:57,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:57,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:57,734 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 20:07:57,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:57,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856211792] [2024-10-11 20:07:57,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856211792] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:07:57,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966843640] [2024-10-11 20:07:57,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:57,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:57,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:57,737 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:07:57,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 20:07:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:57,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:07:57,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:07:57,845 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 20:07:57,845 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:07:57,900 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 20:07:57,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966843640] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:07:57,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:07:57,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-11 20:07:57,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756371472] [2024-10-11 20:07:57,901 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:07:57,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:07:57,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:57,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:07:57,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:07:57,902 INFO L87 Difference]: Start difference. First operand 122 states and 128 transitions. Second operand has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 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) [2024-10-11 20:07:58,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:58,112 INFO L93 Difference]: Finished difference Result 169 states and 195 transitions. [2024-10-11 20:07:58,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:07:58,113 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 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 41 [2024-10-11 20:07:58,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:58,114 INFO L225 Difference]: With dead ends: 169 [2024-10-11 20:07:58,114 INFO L226 Difference]: Without dead ends: 152 [2024-10-11 20:07:58,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:07:58,115 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 126 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:58,115 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 74 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:07:58,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-10-11 20:07:58,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2024-10-11 20:07:58,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 148 states have (on average 1.0945945945945945) internal successors, (162), 151 states have internal predecessors, (162), 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) [2024-10-11 20:07:58,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 162 transitions. [2024-10-11 20:07:58,119 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 162 transitions. Word has length 41 [2024-10-11 20:07:58,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:58,119 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 162 transitions. [2024-10-11 20:07:58,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 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) [2024-10-11 20:07:58,120 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 162 transitions. [2024-10-11 20:07:58,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-11 20:07:58,120 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:58,121 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:07:58,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 20:07:58,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:58,325 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2024-10-11 20:07:58,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:58,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1977834518, now seen corresponding path program 1 times [2024-10-11 20:07:58,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:58,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412203180] [2024-10-11 20:07:58,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:58,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:58,448 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:07:58,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:58,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412203180] [2024-10-11 20:07:58,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412203180] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:07:58,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906668246] [2024-10-11 20:07:58,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:58,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:58,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:58,450 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:07:58,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 20:07:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:58,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:07:58,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:07:58,544 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:07:58,545 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:07:58,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906668246] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:07:58,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:07:58,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-11 20:07:58,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075323781] [2024-10-11 20:07:58,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:07:58,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:07:58,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:58,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:07:58,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:07:58,547 INFO L87 Difference]: Start difference. First operand 152 states and 162 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 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) [2024-10-11 20:07:58,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:58,673 INFO L93 Difference]: Finished difference Result 152 states and 162 transitions. [2024-10-11 20:07:58,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:07:58,674 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 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 49 [2024-10-11 20:07:58,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:58,675 INFO L225 Difference]: With dead ends: 152 [2024-10-11 20:07:58,675 INFO L226 Difference]: Without dead ends: 151 [2024-10-11 20:07:58,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:07:58,676 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 40 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:58,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 49 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:58,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-10-11 20:07:58,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-10-11 20:07:58,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 148 states have (on average 1.087837837837838) internal successors, (161), 150 states have internal predecessors, (161), 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) [2024-10-11 20:07:58,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 161 transitions. [2024-10-11 20:07:58,681 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 161 transitions. Word has length 49 [2024-10-11 20:07:58,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:58,681 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 161 transitions. [2024-10-11 20:07:58,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 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) [2024-10-11 20:07:58,682 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 161 transitions. [2024-10-11 20:07:58,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-11 20:07:58,682 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:58,682 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:07:58,700 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-11 20:07:58,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-11 20:07:58,883 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2024-10-11 20:07:58,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:58,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1183327728, now seen corresponding path program 1 times [2024-10-11 20:07:58,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:58,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256114287] [2024-10-11 20:07:58,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:58,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:58,964 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:07:58,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:58,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256114287] [2024-10-11 20:07:58,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256114287] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:07:58,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118457812] [2024-10-11 20:07:58,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:58,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:58,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:58,968 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:07:58,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 20:07:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:59,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:07:59,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:07:59,069 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:07:59,070 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:07:59,115 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 20:07:59,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118457812] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:07:59,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:07:59,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-11 20:07:59,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810387106] [2024-10-11 20:07:59,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:07:59,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:07:59,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:07:59,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:07:59,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:07:59,117 INFO L87 Difference]: Start difference. First operand 151 states and 161 transitions. Second operand has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 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) [2024-10-11 20:07:59,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:07:59,261 INFO L93 Difference]: Finished difference Result 167 states and 179 transitions. [2024-10-11 20:07:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:07:59,261 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2024-10-11 20:07:59,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:07:59,262 INFO L225 Difference]: With dead ends: 167 [2024-10-11 20:07:59,262 INFO L226 Difference]: Without dead ends: 166 [2024-10-11 20:07:59,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:07:59,263 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 107 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:07:59,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 55 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:07:59,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-10-11 20:07:59,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2024-10-11 20:07:59,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 163 states have (on average 1.0797546012269938) internal successors, (176), 165 states have internal predecessors, (176), 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) [2024-10-11 20:07:59,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 176 transitions. [2024-10-11 20:07:59,269 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 176 transitions. Word has length 50 [2024-10-11 20:07:59,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:07:59,269 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 176 transitions. [2024-10-11 20:07:59,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 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) [2024-10-11 20:07:59,269 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 176 transitions. [2024-10-11 20:07:59,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-11 20:07:59,270 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:07:59,270 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:07:59,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-11 20:07:59,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:59,471 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2024-10-11 20:07:59,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:07:59,472 INFO L85 PathProgramCache]: Analyzing trace with hash 665900303, now seen corresponding path program 2 times [2024-10-11 20:07:59,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:07:59,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735148130] [2024-10-11 20:07:59,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:07:59,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:07:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:07:59,758 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 34 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 20:07:59,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:07:59,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735148130] [2024-10-11 20:07:59,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735148130] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:07:59,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538766730] [2024-10-11 20:07:59,759 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:07:59,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:07:59,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:07:59,761 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:07:59,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 20:07:59,823 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 20:07:59,824 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:07:59,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:07:59,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:07:59,943 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-10-11 20:07:59,944 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:08:00,052 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-10-11 20:08:00,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538766730] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:08:00,052 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:08:00,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 3, 3] total 20 [2024-10-11 20:08:00,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722484454] [2024-10-11 20:08:00,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:08:00,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-11 20:08:00,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:00,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-11 20:08:00,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2024-10-11 20:08:00,054 INFO L87 Difference]: Start difference. First operand 166 states and 176 transitions. Second operand has 20 states, 20 states have (on average 5.4) internal successors, (108), 20 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) [2024-10-11 20:08:00,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:00,607 INFO L93 Difference]: Finished difference Result 325 states and 346 transitions. [2024-10-11 20:08:00,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 20:08:00,607 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.4) internal successors, (108), 20 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 65 [2024-10-11 20:08:00,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:00,608 INFO L225 Difference]: With dead ends: 325 [2024-10-11 20:08:00,608 INFO L226 Difference]: Without dead ends: 271 [2024-10-11 20:08:00,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 125 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=784, Unknown=0, NotChecked=0, Total=930 [2024-10-11 20:08:00,609 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 259 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:00,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 72 Invalid, 803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:08:00,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-10-11 20:08:00,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 265. [2024-10-11 20:08:00,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 263 states have (on average 1.064638783269962) internal successors, (280), 264 states have internal predecessors, (280), 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) [2024-10-11 20:08:00,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 280 transitions. [2024-10-11 20:08:00,617 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 280 transitions. Word has length 65 [2024-10-11 20:08:00,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:00,618 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 280 transitions. [2024-10-11 20:08:00,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.4) internal successors, (108), 20 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) [2024-10-11 20:08:00,618 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 280 transitions. [2024-10-11 20:08:00,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-11 20:08:00,619 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:00,619 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:08:00,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-11 20:08:00,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-11 20:08:00,821 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2024-10-11 20:08:00,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:00,821 INFO L85 PathProgramCache]: Analyzing trace with hash 817511309, now seen corresponding path program 1 times [2024-10-11 20:08:00,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:00,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552939814] [2024-10-11 20:08:00,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:00,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:00,905 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-11 20:08:00,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:00,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552939814] [2024-10-11 20:08:00,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552939814] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:08:00,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:08:00,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:08:00,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142575798] [2024-10-11 20:08:00,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:08:00,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:08:00,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:00,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:08:00,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:08:00,907 INFO L87 Difference]: Start difference. First operand 265 states and 280 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:00,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:00,972 INFO L93 Difference]: Finished difference Result 265 states and 280 transitions. [2024-10-11 20:08:00,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:08:00,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-10-11 20:08:00,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:00,973 INFO L225 Difference]: With dead ends: 265 [2024-10-11 20:08:00,973 INFO L226 Difference]: Without dead ends: 141 [2024-10-11 20:08:00,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:08:00,975 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 22 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:00,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 25 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:08:00,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-10-11 20:08:00,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2024-10-11 20:08:00,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 140 states have (on average 1.0571428571428572) internal successors, (148), 140 states have internal predecessors, (148), 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) [2024-10-11 20:08:00,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 148 transitions. [2024-10-11 20:08:00,980 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 148 transitions. Word has length 84 [2024-10-11 20:08:00,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:00,980 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 148 transitions. [2024-10-11 20:08:00,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:00,980 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 148 transitions. [2024-10-11 20:08:00,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-11 20:08:00,981 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:00,981 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:08:00,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 20:08:00,981 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2024-10-11 20:08:00,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:00,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1720803385, now seen corresponding path program 2 times [2024-10-11 20:08:00,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:00,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509460784] [2024-10-11 20:08:00,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:00,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:01,165 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:08:01,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:01,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509460784] [2024-10-11 20:08:01,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509460784] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:01,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330731317] [2024-10-11 20:08:01,167 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:08:01,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:01,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:01,168 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:08:01,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 20:08:01,226 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 20:08:01,226 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:08:01,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:08:01,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:01,516 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-10-11 20:08:01,516 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:08:01,671 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-10-11 20:08:01,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330731317] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:08:01,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:08:01,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 3, 2] total 11 [2024-10-11 20:08:01,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74508306] [2024-10-11 20:08:01,672 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:08:01,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:08:01,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:01,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:08:01,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:08:01,674 INFO L87 Difference]: Start difference. First operand 141 states and 148 transitions. Second operand has 12 states, 11 states have (on average 14.090909090909092) internal successors, (155), 12 states have internal predecessors, (155), 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) [2024-10-11 20:08:02,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:02,037 INFO L93 Difference]: Finished difference Result 214 states and 226 transitions. [2024-10-11 20:08:02,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:08:02,038 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 14.090909090909092) internal successors, (155), 12 states have internal predecessors, (155), 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 92 [2024-10-11 20:08:02,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:02,039 INFO L225 Difference]: With dead ends: 214 [2024-10-11 20:08:02,039 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 20:08:02,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 178 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2024-10-11 20:08:02,040 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 250 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:02,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 22 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:08:02,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 20:08:02,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 20:08:02,041 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) [2024-10-11 20:08:02,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 20:08:02,041 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 92 [2024-10-11 20:08:02,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:02,041 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 20:08:02,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 14.090909090909092) internal successors, (155), 12 states have internal predecessors, (155), 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) [2024-10-11 20:08:02,042 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 20:08:02,042 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 20:08:02,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 40 remaining) [2024-10-11 20:08:02,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 40 remaining) [2024-10-11 20:08:02,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 40 remaining) [2024-10-11 20:08:02,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 40 remaining) [2024-10-11 20:08:02,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 40 remaining) [2024-10-11 20:08:02,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 40 remaining) [2024-10-11 20:08:02,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 40 remaining) [2024-10-11 20:08:02,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 40 remaining) [2024-10-11 20:08:02,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 40 remaining) [2024-10-11 20:08:02,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 40 remaining) [2024-10-11 20:08:02,046 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 40 remaining) [2024-10-11 20:08:02,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 40 remaining) [2024-10-11 20:08:02,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 40 remaining) [2024-10-11 20:08:02,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 40 remaining) [2024-10-11 20:08:02,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 40 remaining) [2024-10-11 20:08:02,047 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 40 remaining) [2024-10-11 20:08:02,048 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 40 remaining) [2024-10-11 20:08:02,048 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 40 remaining) [2024-10-11 20:08:02,048 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 40 remaining) [2024-10-11 20:08:02,048 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 40 remaining) [2024-10-11 20:08:02,048 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 40 remaining) [2024-10-11 20:08:02,048 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 40 remaining) [2024-10-11 20:08:02,048 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 40 remaining) [2024-10-11 20:08:02,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 40 remaining) [2024-10-11 20:08:02,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 40 remaining) [2024-10-11 20:08:02,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 40 remaining) [2024-10-11 20:08:02,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 40 remaining) [2024-10-11 20:08:02,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 40 remaining) [2024-10-11 20:08:02,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 40 remaining) [2024-10-11 20:08:02,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 40 remaining) [2024-10-11 20:08:02,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 40 remaining) [2024-10-11 20:08:02,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 40 remaining) [2024-10-11 20:08:02,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 40 remaining) [2024-10-11 20:08:02,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 40 remaining) [2024-10-11 20:08:02,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 40 remaining) [2024-10-11 20:08:02,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 40 remaining) [2024-10-11 20:08:02,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 40 remaining) [2024-10-11 20:08:02,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 40 remaining) [2024-10-11 20:08:02,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 40 remaining) [2024-10-11 20:08:02,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 40 remaining) [2024-10-11 20:08:02,069 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-11 20:08:02,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-11 20:08:02,256 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:08:02,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 20:08:02,436 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 20:08:02,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 08:08:02 BoogieIcfgContainer [2024-10-11 20:08:02,451 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 20:08:02,452 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 20:08:02,452 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 20:08:02,452 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 20:08:02,453 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:07:51" (3/4) ... [2024-10-11 20:08:02,455 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 20:08:02,463 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-11 20:08:02,463 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-11 20:08:02,464 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 20:08:02,464 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 20:08:02,558 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 20:08:02,558 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 20:08:02,559 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 20:08:02,559 INFO L158 Benchmark]: Toolchain (without parser) took 11845.97ms. Allocated memory was 211.8MB in the beginning and 257.9MB in the end (delta: 46.1MB). Free memory was 140.1MB in the beginning and 213.0MB in the end (delta: -73.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 20:08:02,559 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 108.5MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 20:08:02,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.41ms. Allocated memory is still 211.8MB. Free memory was 139.7MB in the beginning and 127.4MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-11 20:08:02,560 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.86ms. Allocated memory is still 211.8MB. Free memory was 127.4MB in the beginning and 125.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 20:08:02,560 INFO L158 Benchmark]: Boogie Preprocessor took 38.06ms. Allocated memory is still 211.8MB. Free memory was 125.4MB in the beginning and 123.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 20:08:02,560 INFO L158 Benchmark]: RCFGBuilder took 488.02ms. Allocated memory is still 211.8MB. Free memory was 123.3MB in the beginning and 103.3MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-11 20:08:02,561 INFO L158 Benchmark]: TraceAbstraction took 10894.32ms. Allocated memory was 211.8MB in the beginning and 257.9MB in the end (delta: 46.1MB). Free memory was 102.6MB in the beginning and 219.3MB in the end (delta: -116.6MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2024-10-11 20:08:02,561 INFO L158 Benchmark]: Witness Printer took 106.68ms. Allocated memory is still 257.9MB. Free memory was 219.3MB in the beginning and 213.0MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 20:08:02,562 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 108.5MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.41ms. Allocated memory is still 211.8MB. Free memory was 139.7MB in the beginning and 127.4MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.86ms. Allocated memory is still 211.8MB. Free memory was 127.4MB in the beginning and 125.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.06ms. Allocated memory is still 211.8MB. Free memory was 125.4MB in the beginning and 123.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 488.02ms. Allocated memory is still 211.8MB. Free memory was 123.3MB in the beginning and 103.3MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 10894.32ms. Allocated memory was 211.8MB in the beginning and 257.9MB in the end (delta: 46.1MB). Free memory was 102.6MB in the beginning and 219.3MB in the end (delta: -116.6MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. * Witness Printer took 106.68ms. Allocated memory is still 257.9MB. Free memory was 219.3MB in the beginning and 213.0MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 98 locations, 40 error locations. Started 1 CEGAR loops. OverallTime: 10.6s, OverallIterations: 18, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1713 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1713 mSDsluCounter, 1859 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1032 mSDsCounter, 123 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4246 IncrementalHoareTripleChecker+Invalid, 4369 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 123 mSolverCounterUnsat, 827 mSDtfsCounter, 4246 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 791 GetRequests, 638 SyntacticMatches, 7 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 505 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=265occurred in iteration=16, InterpolantAutomatonStates: 126, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 18 MinimizatonAttempts, 38 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 974 NumberOfCodeBlocks, 831 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 1221 ConstructedInterpolants, 0 QuantifiedInterpolants, 3526 SizeOfPredicates, 6 NumberOfNonLiveVariables, 951 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 36 InterpolantComputations, 11 PerfectInterpolantSequences, 544/799 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 40 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: ((((i == 0) && (2 <= SIZE)) && (SIZE <= 2147483647)) || (((1 <= i) && (2 <= SIZE)) && (SIZE <= 2147483647))) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((2 <= SIZE) && (2 <= i)) && (SIZE == (2 * ((SIZE >= 0) ? (SIZE / 2) : ((SIZE / 2) - 1))))) && (SIZE <= 2147483647)) || ((((2 <= SIZE) && (i == 1)) && (SIZE == (2 * ((SIZE >= 0) ? (SIZE / 2) : ((SIZE / 2) - 1))))) && (SIZE <= 2147483647))) - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: (((((1 <= i) && (2 <= SIZE)) && (SIZE == (2 * ((SIZE >= 0) ? (SIZE / 2) : ((SIZE / 2) - 1))))) && (SIZE <= 2147483647)) || ((((i == 0) && (2 <= SIZE)) && (SIZE == (2 * ((SIZE >= 0) ? (SIZE / 2) : ((SIZE / 2) - 1))))) && (SIZE <= 2147483647))) RESULT: Ultimate proved your program to be correct! [2024-10-11 20:08:02,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE