./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex6.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_c405a5dd-7481-4322-a06f-3d6ad9820f73/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c405a5dd-7481-4322-a06f-3d6ad9820f73/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c405a5dd-7481-4322-a06f-3d6ad9820f73/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c405a5dd-7481-4322-a06f-3d6ad9820f73/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c405a5dd-7481-4322-a06f-3d6ad9820f73/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c405a5dd-7481-4322-a06f-3d6ad9820f73/bin/utaipan-verify-YMUCfTKeje --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 78741214800a0b84d55aaf48eb07d6d31c527d6c92aeea37b41275f82a13b130 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:29:26,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:29:26,238 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c405a5dd-7481-4322-a06f-3d6ad9820f73/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-09 04:29:26,245 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:29:26,246 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:29:26,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:29:26,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:29:26,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:29:26,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:29:26,278 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:29:26,279 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:29:26,279 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:29:26,280 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:29:26,280 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:29:26,280 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:29:26,281 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:29:26,281 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:29:26,281 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:29:26,282 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:29:26,282 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:29:26,285 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:29:26,286 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:29:26,287 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:29:26,287 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:29:26,287 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:29:26,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:29:26,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:29:26,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:29:26,289 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:29:26,289 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:29:26,289 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 04:29:26,292 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 04:29:26,292 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:29:26,293 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:29:26,293 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:29:26,293 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:29:26,294 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:29:26,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:26,294 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:29:26,295 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:29:26,295 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:29:26,299 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:29:26,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:29:26,300 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:29:26,300 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:29:26,300 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:29:26,301 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_c405a5dd-7481-4322-a06f-3d6ad9820f73/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c405a5dd-7481-4322-a06f-3d6ad9820f73/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78741214800a0b84d55aaf48eb07d6d31c527d6c92aeea37b41275f82a13b130 [2024-11-09 04:29:26,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:29:26,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:29:26,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:29:26,633 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:29:26,635 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:29:26,636 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c405a5dd-7481-4322-a06f-3d6ad9820f73/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex6.c Unable to find full path for "g++" [2024-11-09 04:29:28,736 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:29:28,968 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:29:28,969 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c405a5dd-7481-4322-a06f-3d6ad9820f73/sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex6.c [2024-11-09 04:29:28,977 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c405a5dd-7481-4322-a06f-3d6ad9820f73/bin/utaipan-verify-YMUCfTKeje/data/3af2a24d2/51c48783b0624fe69df1269946bca55e/FLAG90cfb940c [2024-11-09 04:29:29,339 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c405a5dd-7481-4322-a06f-3d6ad9820f73/bin/utaipan-verify-YMUCfTKeje/data/3af2a24d2/51c48783b0624fe69df1269946bca55e [2024-11-09 04:29:29,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:29:29,345 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:29:29,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:29:29,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:29:29,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:29:29,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:29:29" (1/1) ... [2024-11-09 04:29:29,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe76481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:29, skipping insertion in model container [2024-11-09 04:29:29,357 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:29:29" (1/1) ... [2024-11-09 04:29:29,381 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:29:29,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:29:29,572 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:29:29,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:29:29,606 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:29:29,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:29 WrapperNode [2024-11-09 04:29:29,607 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:29:29,608 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:29:29,608 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:29:29,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:29:29,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:29" (1/1) ... [2024-11-09 04:29:29,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:29" (1/1) ... [2024-11-09 04:29:29,643 INFO L138 Inliner]: procedures = 6, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2024-11-09 04:29:29,644 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:29:29,644 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:29:29,645 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:29:29,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:29:29,655 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:29" (1/1) ... [2024-11-09 04:29:29,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:29" (1/1) ... [2024-11-09 04:29:29,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:29" (1/1) ... [2024-11-09 04:29:29,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:29" (1/1) ... [2024-11-09 04:29:29,660 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:29" (1/1) ... [2024-11-09 04:29:29,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:29" (1/1) ... [2024-11-09 04:29:29,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:29" (1/1) ... [2024-11-09 04:29:29,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:29" (1/1) ... [2024-11-09 04:29:29,670 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:29:29,675 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:29:29,675 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:29:29,675 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:29:29,676 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:29" (1/1) ... [2024-11-09 04:29:29,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:29:29,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c405a5dd-7481-4322-a06f-3d6ad9820f73/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:29:29,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c405a5dd-7481-4322-a06f-3d6ad9820f73/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:29:29,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c405a5dd-7481-4322-a06f-3d6ad9820f73/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:29:29,748 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-09 04:29:29,748 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-09 04:29:29,748 INFO L130 BoogieDeclarations]: Found specification of procedure g [2024-11-09 04:29:29,749 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2024-11-09 04:29:29,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:29:29,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:29:29,823 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:29:29,825 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:29:30,049 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-09 04:29:30,050 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:29:30,110 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:29:30,114 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 04:29:30,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:30 BoogieIcfgContainer [2024-11-09 04:29:30,119 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:29:30,121 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:29:30,126 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:29:30,129 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:29:30,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:29:29" (1/3) ... [2024-11-09 04:29:30,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e06adf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:29:30, skipping insertion in model container [2024-11-09 04:29:30,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:29:29" (2/3) ... [2024-11-09 04:29:30,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e06adf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:29:30, skipping insertion in model container [2024-11-09 04:29:30,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:30" (3/3) ... [2024-11-09 04:29:30,136 INFO L112 eAbstractionObserver]: Analyzing ICFG LeeJonesBen-Amram-POPL2001-Ex6.c [2024-11-09 04:29:30,155 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:29:30,156 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-09 04:29:30,231 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:29:30,238 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;@7881b687, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:29:30,238 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-09 04:29:30,242 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 29 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 04:29:30,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 04:29:30,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:29:30,250 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 04:29:30,251 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4 more)] === [2024-11-09 04:29:30,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:29:30,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1737945991, now seen corresponding path program 1 times [2024-11-09 04:29:30,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:29:30,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301315085] [2024-11-09 04:29:30,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:29:30,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:29:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:29:30,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:29:30,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:29:30,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301315085] [2024-11-09 04:29:30,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301315085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:29:30,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:29:30,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 04:29:30,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909379302] [2024-11-09 04:29:30,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:29:30,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:29:30,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:29:30,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:29:30,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:29:30,546 INFO L87 Difference]: Start difference. First operand has 36 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 29 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-09 04:29:30,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:29:30,642 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2024-11-09 04:29:30,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:29:30,645 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 6 [2024-11-09 04:29:30,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:29:30,653 INFO L225 Difference]: With dead ends: 37 [2024-11-09 04:29:30,653 INFO L226 Difference]: Without dead ends: 25 [2024-11-09 04:29:30,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:29:30,664 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 24 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:29:30,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 97 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:29:30,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-09 04:29:30,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-09 04:29:30,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 22 states have internal predecessors, (22), 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) [2024-11-09 04:29:30,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2024-11-09 04:29:30,707 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 6 [2024-11-09 04:29:30,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:29:30,707 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2024-11-09 04:29:30,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-09 04:29:30,709 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2024-11-09 04:29:30,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 04:29:30,710 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:29:30,710 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:29:30,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:29:30,712 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4 more)] === [2024-11-09 04:29:30,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:29:30,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1958249167, now seen corresponding path program 1 times [2024-11-09 04:29:30,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:29:30,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037479264] [2024-11-09 04:29:30,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:29:30,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:29:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:29:30,730 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:29:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:29:30,766 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:29:30,766 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:29:30,768 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-09 04:29:30,770 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-09 04:29:30,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-09 04:29:30,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-09 04:29:30,771 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location gErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-09 04:29:30,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location gErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-09 04:29:30,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location gErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-09 04:29:30,772 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location gErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-09 04:29:30,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 04:29:30,776 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 04:29:30,801 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:29:30,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:29:30 BoogieIcfgContainer [2024-11-09 04:29:30,805 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:29:30,805 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:29:30,806 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:29:30,806 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:29:30,806 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:29:30" (3/4) ... [2024-11-09 04:29:30,807 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 04:29:30,843 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c405a5dd-7481-4322-a06f-3d6ad9820f73/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 04:29:30,843 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:29:30,844 INFO L158 Benchmark]: Toolchain (without parser) took 1499.00ms. Allocated memory is still 165.7MB. Free memory was 127.5MB in the beginning and 119.3MB in the end (delta: 8.3MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2024-11-09 04:29:30,845 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory was 74.1MB in the beginning and 73.9MB in the end (delta: 158.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:29:30,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.72ms. Allocated memory is still 165.7MB. Free memory was 127.5MB in the beginning and 116.0MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 04:29:30,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.90ms. Allocated memory is still 165.7MB. Free memory was 116.0MB in the beginning and 114.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:29:30,846 INFO L158 Benchmark]: Boogie Preprocessor took 25.39ms. Allocated memory is still 165.7MB. Free memory was 114.4MB in the beginning and 113.8MB in the end (delta: 609.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:29:30,847 INFO L158 Benchmark]: RCFGBuilder took 448.29ms. Allocated memory is still 165.7MB. Free memory was 113.3MB in the beginning and 102.2MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 04:29:30,847 INFO L158 Benchmark]: TraceAbstraction took 683.68ms. Allocated memory is still 165.7MB. Free memory was 101.2MB in the beginning and 121.4MB in the end (delta: -20.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:29:30,848 INFO L158 Benchmark]: Witness Printer took 37.91ms. Allocated memory is still 165.7MB. Free memory was 121.4MB in the beginning and 119.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:29:30,851 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory was 74.1MB in the beginning and 73.9MB in the end (delta: 158.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.72ms. Allocated memory is still 165.7MB. Free memory was 127.5MB in the beginning and 116.0MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.90ms. Allocated memory is still 165.7MB. Free memory was 116.0MB in the beginning and 114.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.39ms. Allocated memory is still 165.7MB. Free memory was 114.4MB in the beginning and 113.8MB in the end (delta: 609.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 448.29ms. Allocated memory is still 165.7MB. Free memory was 113.3MB in the beginning and 102.2MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 683.68ms. Allocated memory is still 165.7MB. Free memory was 101.2MB in the beginning and 121.4MB in the end (delta: -20.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 37.91ms. Allocated memory is still 165.7MB. Free memory was 121.4MB in the beginning and 119.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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 - CounterExampleResult [Line: 21]: integer overflow possible integer overflow possible We found a FailurePath: [L34] int a = __VERIFIER_nondet_int(); [L35] int b = __VERIFIER_nondet_int(); [L36] COND TRUE a >= 0 && b >= 0 VAL [a=2147483647, b=1] [L37] CALL f(a, b) VAL [\old(a)=2147483647, \old(b)=1] [L18] COND FALSE !(b == 0) VAL [\old(a)=2147483647, \old(b)=1, a=2147483647, b=1] [L21] 1+a VAL [\old(a)=2147483647, \old(b)=1, b=1] - UnprovableResult [Line: 21]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 21]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 21]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 36 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 97 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 31 mSDtfsCounter, 29 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-09 04:29:30,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c405a5dd-7481-4322-a06f-3d6ad9820f73/bin/utaipan-verify-YMUCfTKeje/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)