./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Binary_Search-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36612ce-eab4-4128-a2df-2fc678da2b7b/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36612ce-eab4-4128-a2df-2fc678da2b7b/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36612ce-eab4-4128-a2df-2fc678da2b7b/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36612ce-eab4-4128-a2df-2fc678da2b7b/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted/Binary_Search-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36612ce-eab4-4128-a2df-2fc678da2b7b/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36612ce-eab4-4128-a2df-2fc678da2b7b/bin/utaipan-verify-DbMuA5NWw2 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 46affb860f1d0d7b6656a3074088d89f6e139022ec85b08907ba16419f351bb9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:29:37,829 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:29:37,909 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36612ce-eab4-4128-a2df-2fc678da2b7b/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-02 12:29:37,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:29:37,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:29:37,936 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:29:37,937 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:29:37,937 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:29:37,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:29:37,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:29:37,938 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:29:37,940 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:29:37,940 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:29:37,944 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:29:37,945 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:29:37,945 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:29:37,945 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:29:37,945 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:29:37,946 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:29:37,946 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:29:37,946 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:29:37,948 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:29:37,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:29:37,949 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:29:37,955 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:29:37,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:29:37,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:29:37,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:29:37,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:29:37,956 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:29:37,956 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-02 12:29:37,957 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:29:37,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:29:37,957 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:29:37,957 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:29:37,958 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:29:37,958 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:29:37,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:29:37,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:29:37,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:29:37,961 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:29:37,962 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:29:37,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:29:37,962 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:29:37,963 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:29:37,963 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:29:37,963 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36612ce-eab4-4128-a2df-2fc678da2b7b/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36612ce-eab4-4128-a2df-2fc678da2b7b/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46affb860f1d0d7b6656a3074088d89f6e139022ec85b08907ba16419f351bb9 [2024-11-02 12:29:38,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:29:38,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:29:38,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:29:38,313 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:29:38,315 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:29:38,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36612ce-eab4-4128-a2df-2fc678da2b7b/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/termination-crafted/Binary_Search-2.c Unable to find full path for "g++" [2024-11-02 12:29:40,420 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:29:40,635 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:29:40,636 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36612ce-eab4-4128-a2df-2fc678da2b7b/sv-benchmarks/c/termination-crafted/Binary_Search-2.c [2024-11-02 12:29:40,643 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36612ce-eab4-4128-a2df-2fc678da2b7b/bin/utaipan-verify-DbMuA5NWw2/data/ffcd808c4/394665e0161645979c33d3b1fd94cc08/FLAGbbafb6400 [2024-11-02 12:29:41,022 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36612ce-eab4-4128-a2df-2fc678da2b7b/bin/utaipan-verify-DbMuA5NWw2/data/ffcd808c4/394665e0161645979c33d3b1fd94cc08 [2024-11-02 12:29:41,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:29:41,027 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:29:41,028 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:29:41,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:29:41,036 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:29:41,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:29:41" (1/1) ... [2024-11-02 12:29:41,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60afb355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:41, skipping insertion in model container [2024-11-02 12:29:41,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:29:41" (1/1) ... [2024-11-02 12:29:41,060 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:29:41,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:29:41,256 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:29:41,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:29:41,286 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:29:41,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:41 WrapperNode [2024-11-02 12:29:41,287 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:29:41,288 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:29:41,288 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:29:41,288 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:29:41,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:41" (1/1) ... [2024-11-02 12:29:41,298 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:41" (1/1) ... [2024-11-02 12:29:41,313 INFO L138 Inliner]: procedures = 5, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-11-02 12:29:41,313 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:29:41,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:29:41,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:29:41,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:29:41,323 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:41" (1/1) ... [2024-11-02 12:29:41,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:41" (1/1) ... [2024-11-02 12:29:41,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:41" (1/1) ... [2024-11-02 12:29:41,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:41" (1/1) ... [2024-11-02 12:29:41,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:41" (1/1) ... [2024-11-02 12:29:41,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:41" (1/1) ... [2024-11-02 12:29:41,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:41" (1/1) ... [2024-11-02 12:29:41,333 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:41" (1/1) ... [2024-11-02 12:29:41,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:29:41,343 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:29:41,344 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:29:41,344 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:29:41,345 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:41" (1/1) ... [2024-11-02 12:29:41,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:29:41,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36612ce-eab4-4128-a2df-2fc678da2b7b/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:29:41,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36612ce-eab4-4128-a2df-2fc678da2b7b/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:29:41,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36612ce-eab4-4128-a2df-2fc678da2b7b/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:29:41,417 INFO L130 BoogieDeclarations]: Found specification of procedure binary_search [2024-11-02 12:29:41,417 INFO L138 BoogieDeclarations]: Found implementation of procedure binary_search [2024-11-02 12:29:41,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:29:41,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:29:41,469 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:29:41,471 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:29:41,632 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-02 12:29:41,632 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:29:41,654 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:29:41,655 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:29:41,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:41 BoogieIcfgContainer [2024-11-02 12:29:41,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:29:41,657 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:29:41,657 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:29:41,660 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:29:41,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:29:41" (1/3) ... [2024-11-02 12:29:41,661 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d71eb37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:29:41, skipping insertion in model container [2024-11-02 12:29:41,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:29:41" (2/3) ... [2024-11-02 12:29:41,661 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d71eb37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:29:41, skipping insertion in model container [2024-11-02 12:29:41,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:41" (3/3) ... [2024-11-02 12:29:41,663 INFO L112 eAbstractionObserver]: Analyzing ICFG Binary_Search-2.c [2024-11-02 12:29:41,677 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:29:41,677 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-02 12:29:41,742 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:29:41,748 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=FINITE_AUTOMATA, 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;@38e4592, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:29:41,748 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-02 12:29:41,751 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 17 states have (on average 1.588235294117647) internal successors, (27), 23 states have internal predecessors, (27), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-02 12:29:41,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-02 12:29:41,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:29:41,759 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:29:41,760 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting binary_searchErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [binary_searchErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, binary_searchErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, binary_searchErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-02 12:29:41,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:29:41,765 INFO L85 PathProgramCache]: Analyzing trace with hash -145359993, now seen corresponding path program 1 times [2024-11-02 12:29:41,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:29:41,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881716481] [2024-11-02 12:29:41,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:41,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:29:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:29:42,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:29:42,106 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:29:42,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881716481] [2024-11-02 12:29:42,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881716481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:29:42,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:29:42,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:29:42,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406686281] [2024-11-02 12:29:42,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:29:42,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:29:42,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:29:42,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:29:42,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:29:42,144 INFO L87 Difference]: Start difference. First operand has 28 states, 17 states have (on average 1.588235294117647) internal successors, (27), 23 states have internal predecessors, (27), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:29:42,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:29:42,383 INFO L93 Difference]: Finished difference Result 52 states and 61 transitions. [2024-11-02 12:29:42,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 12:29:42,386 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-02 12:29:42,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:29:42,395 INFO L225 Difference]: With dead ends: 52 [2024-11-02 12:29:42,395 INFO L226 Difference]: Without dead ends: 36 [2024-11-02 12:29:42,399 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-02 12:29:42,408 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 47 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-02 12:29:42,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 95 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-02 12:29:42,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-02 12:29:42,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 29. [2024-11-02 12:29:42,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 26 states have internal predecessors, (29), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:29:42,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2024-11-02 12:29:42,451 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 7 [2024-11-02 12:29:42,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:29:42,452 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2024-11-02 12:29:42,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:29:42,453 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2024-11-02 12:29:42,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-02 12:29:42,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:29:42,455 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:29:42,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:29:42,456 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting binary_searchErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [binary_searchErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, binary_searchErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, binary_searchErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-02 12:29:42,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:29:42,457 INFO L85 PathProgramCache]: Analyzing trace with hash -211192449, now seen corresponding path program 1 times [2024-11-02 12:29:42,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:29:42,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563958453] [2024-11-02 12:29:42,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:42,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:29:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:29:42,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:29:42,587 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:29:42,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563958453] [2024-11-02 12:29:42,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563958453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:29:42,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:29:42,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:29:42,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167168922] [2024-11-02 12:29:42,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:29:42,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:29:42,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:29:42,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:29:42,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:29:42,592 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:29:42,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:29:42,703 INFO L93 Difference]: Finished difference Result 54 states and 62 transitions. [2024-11-02 12:29:42,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 12:29:42,704 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-02 12:29:42,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:29:42,705 INFO L225 Difference]: With dead ends: 54 [2024-11-02 12:29:42,705 INFO L226 Difference]: Without dead ends: 52 [2024-11-02 12:29:42,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-02 12:29:42,707 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 34 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:29:42,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 58 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:29:42,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-02 12:29:42,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 46. [2024-11-02 12:29:42,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 35 states have (on average 1.457142857142857) internal successors, (51), 41 states have internal predecessors, (51), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:29:42,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2024-11-02 12:29:42,718 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 56 transitions. Word has length 8 [2024-11-02 12:29:42,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:29:42,719 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 56 transitions. [2024-11-02 12:29:42,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:29:42,719 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2024-11-02 12:29:42,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-02 12:29:42,719 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:29:42,720 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:29:42,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-02 12:29:42,720 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting binary_searchErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [binary_searchErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, binary_searchErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, binary_searchErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-02 12:29:42,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:29:42,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1900580733, now seen corresponding path program 1 times [2024-11-02 12:29:42,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:29:42,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447209568] [2024-11-02 12:29:42,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:42,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:29:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:29:42,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:29:42,920 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:29:42,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447209568] [2024-11-02 12:29:42,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447209568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:29:42,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:29:42,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-02 12:29:42,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854685106] [2024-11-02 12:29:42,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:29:42,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-02 12:29:42,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:29:42,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-02 12:29:42,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-02 12:29:42,923 INFO L87 Difference]: Start difference. First operand 46 states and 56 transitions. Second operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:29:43,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:29:43,028 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2024-11-02 12:29:43,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-02 12:29:43,029 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-02 12:29:43,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:29:43,030 INFO L225 Difference]: With dead ends: 46 [2024-11-02 12:29:43,030 INFO L226 Difference]: Without dead ends: 43 [2024-11-02 12:29:43,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-02 12:29:43,032 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 39 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:29:43,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 21 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:29:43,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-02 12:29:43,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 28. [2024-11-02 12:29:43,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 25 states have internal predecessors, (27), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:29:43,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2024-11-02 12:29:43,039 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 12 [2024-11-02 12:29:43,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:29:43,040 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2024-11-02 12:29:43,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:29:43,040 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2024-11-02 12:29:43,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-02 12:29:43,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:29:43,041 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:29:43,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-02 12:29:43,041 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting binary_searchErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [binary_searchErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, binary_searchErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, binary_searchErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-02 12:29:43,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:29:43,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1211539473, now seen corresponding path program 1 times [2024-11-02 12:29:43,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:29:43,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937249347] [2024-11-02 12:29:43,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:43,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:29:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:29:43,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:29:43,221 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:29:43,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937249347] [2024-11-02 12:29:43,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937249347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:29:43,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:29:43,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-02 12:29:43,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119416244] [2024-11-02 12:29:43,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:29:43,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-02 12:29:43,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:29:43,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-02 12:29:43,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:29:43,225 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:29:43,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:29:43,321 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2024-11-02 12:29:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-02 12:29:43,322 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-02 12:29:43,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:29:43,323 INFO L225 Difference]: With dead ends: 28 [2024-11-02 12:29:43,323 INFO L226 Difference]: Without dead ends: 0 [2024-11-02 12:29:43,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-02 12:29:43,325 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 26 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:29:43,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 22 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:29:43,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-02 12:29:43,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-02 12:29:43,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:29:43,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-02 12:29:43,332 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2024-11-02 12:29:43,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:29:43,332 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-02 12:29:43,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:29:43,334 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-02 12:29:43,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-02 12:29:43,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location binary_searchErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-02 12:29:43,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location binary_searchErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-02 12:29:43,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location binary_searchErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-02 12:29:43,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location binary_searchErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-02 12:29:43,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location binary_searchErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-02 12:29:43,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location binary_searchErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-02 12:29:43,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-02 12:29:43,345 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-02 12:29:43,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-02 12:29:43,544 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:29:43,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:29:43 BoogieIcfgContainer [2024-11-02 12:29:43,579 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:29:43,580 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:29:43,580 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:29:43,580 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:29:43,581 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:29:41" (3/4) ... [2024-11-02 12:29:43,584 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-02 12:29:43,589 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure binary_search [2024-11-02 12:29:43,598 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-02 12:29:43,600 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-02 12:29:43,601 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-02 12:29:43,704 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36612ce-eab4-4128-a2df-2fc678da2b7b/bin/utaipan-verify-DbMuA5NWw2/witness.graphml [2024-11-02 12:29:43,704 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36612ce-eab4-4128-a2df-2fc678da2b7b/bin/utaipan-verify-DbMuA5NWw2/witness.yml [2024-11-02 12:29:43,704 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:29:43,705 INFO L158 Benchmark]: Toolchain (without parser) took 2678.24ms. Allocated memory was 119.5MB in the beginning and 157.3MB in the end (delta: 37.7MB). Free memory was 87.2MB in the beginning and 100.5MB in the end (delta: -13.3MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2024-11-02 12:29:43,705 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 119.5MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:29:43,706 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.60ms. Allocated memory is still 119.5MB. Free memory was 86.8MB in the beginning and 75.7MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-02 12:29:43,706 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.49ms. Allocated memory is still 119.5MB. Free memory was 75.3MB in the beginning and 74.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:29:43,706 INFO L158 Benchmark]: Boogie Preprocessor took 28.91ms. Allocated memory is still 119.5MB. Free memory was 74.3MB in the beginning and 73.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:29:43,707 INFO L158 Benchmark]: RCFGBuilder took 312.06ms. Allocated memory is still 119.5MB. Free memory was 73.2MB in the beginning and 61.7MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-02 12:29:43,707 INFO L158 Benchmark]: TraceAbstraction took 1921.90ms. Allocated memory was 119.5MB in the beginning and 157.3MB in the end (delta: 37.7MB). Free memory was 61.0MB in the beginning and 104.7MB in the end (delta: -43.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:29:43,708 INFO L158 Benchmark]: Witness Printer took 124.92ms. Allocated memory is still 157.3MB. Free memory was 104.7MB in the beginning and 100.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:29:43,710 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 119.5MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.60ms. Allocated memory is still 119.5MB. Free memory was 86.8MB in the beginning and 75.7MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.49ms. Allocated memory is still 119.5MB. Free memory was 75.3MB in the beginning and 74.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.91ms. Allocated memory is still 119.5MB. Free memory was 74.3MB in the beginning and 73.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 312.06ms. Allocated memory is still 119.5MB. Free memory was 73.2MB in the beginning and 61.7MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1921.90ms. Allocated memory was 119.5MB in the beginning and 157.3MB in the end (delta: 37.7MB). Free memory was 61.0MB in the beginning and 104.7MB in the end (delta: -43.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 124.92ms. Allocated memory is still 157.3MB. Free memory was 104.7MB in the beginning and 100.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: 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 2 procedures, 28 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 147 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 146 mSDsluCounter, 196 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 148 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 212 IncrementalHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 48 mSDtfsCounter, 212 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=2, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 28 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 146 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 6 specifications checked. All of them hold - ProcedureContractResult [Line: 8]: Procedure Contract for binary_search Derived contract for procedure binary_search. Requires: ((j <= 1073741823) && (0 <= ((long) i + 1073741823))) Ensures: ((j <= 1073741823) && (0 <= ((long) i + 1073741823))) RESULT: Ultimate proved your program to be correct! [2024-11-02 12:29:43,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36612ce-eab4-4128-a2df-2fc678da2b7b/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE