./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/NonTerminationSimple9.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569b4fa2-39ee-41fe-950f-f51f0c2e07fc/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569b4fa2-39ee-41fe-950f-f51f0c2e07fc/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569b4fa2-39ee-41fe-950f-f51f0c2e07fc/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569b4fa2-39ee-41fe-950f-f51f0c2e07fc/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/NonTerminationSimple9.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569b4fa2-39ee-41fe-950f-f51f0c2e07fc/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569b4fa2-39ee-41fe-950f-f51f0c2e07fc/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e7e60e29030930096b33752f419e8bc558f06ca646bc9eb6aa219c7b15ad7c57 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:53:29,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:53:29,547 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569b4fa2-39ee-41fe-950f-f51f0c2e07fc/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-27 19:53:29,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:53:29,555 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:53:29,595 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:53:29,596 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:53:29,596 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:53:29,597 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 19:53:29,597 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 19:53:29,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 19:53:29,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 19:53:29,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:53:29,598 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:53:29,598 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:53:29,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:53:29,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 19:53:29,599 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 19:53:29,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:53:29,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 19:53:29,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 19:53:29,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 19:53:29,600 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-27 19:53:29,600 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 19:53:29,600 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:53:29,600 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:53:29,600 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:53:29,601 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 19:53:29,601 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:53:29,601 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:53:29,601 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:53:29,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:53:29,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:53:29,601 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:53:29,601 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:53:29,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:53:29,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:53:29,602 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:53:29,602 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 19:53:29,602 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 19:53:29,602 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 19:53:29,602 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 19:53:29,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 19:53:29,603 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 19:53:29,603 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 19:53:29,603 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 19:53:29,603 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 19:53:29,603 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_569b4fa2-39ee-41fe-950f-f51f0c2e07fc/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7e60e29030930096b33752f419e8bc558f06ca646bc9eb6aa219c7b15ad7c57 [2024-11-27 19:53:29,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:53:30,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:53:30,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:53:30,019 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:53:30,020 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:53:30,023 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569b4fa2-39ee-41fe-950f-f51f0c2e07fc/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-crafted/NonTerminationSimple9.c [2024-11-27 19:53:33,764 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569b4fa2-39ee-41fe-950f-f51f0c2e07fc/bin/uautomizer-verify-aQ6SnzHsRB/data/644996244/96e0d5c344c44a46b38e73167d380400/FLAG445816ea2 [2024-11-27 19:53:34,146 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:53:34,149 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569b4fa2-39ee-41fe-950f-f51f0c2e07fc/sv-benchmarks/c/termination-crafted/NonTerminationSimple9.c [2024-11-27 19:53:34,163 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569b4fa2-39ee-41fe-950f-f51f0c2e07fc/bin/uautomizer-verify-aQ6SnzHsRB/data/644996244/96e0d5c344c44a46b38e73167d380400/FLAG445816ea2 [2024-11-27 19:53:34,189 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569b4fa2-39ee-41fe-950f-f51f0c2e07fc/bin/uautomizer-verify-aQ6SnzHsRB/data/644996244/96e0d5c344c44a46b38e73167d380400 [2024-11-27 19:53:34,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:53:34,196 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:53:34,198 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:53:34,199 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:53:34,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:53:34,206 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:53:34" (1/1) ... [2024-11-27 19:53:34,207 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d8dbdb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:34, skipping insertion in model container [2024-11-27 19:53:34,207 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:53:34" (1/1) ... [2024-11-27 19:53:34,227 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:53:34,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:53:34,434 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 19:53:34,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:53:34,466 INFO L204 MainTranslator]: Completed translation [2024-11-27 19:53:34,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:34 WrapperNode [2024-11-27 19:53:34,467 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:53:34,468 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 19:53:34,469 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 19:53:34,469 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 19:53:34,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:34" (1/1) ... [2024-11-27 19:53:34,484 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:34" (1/1) ... [2024-11-27 19:53:34,504 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2024-11-27 19:53:34,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 19:53:34,507 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 19:53:34,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 19:53:34,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 19:53:34,517 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:34" (1/1) ... [2024-11-27 19:53:34,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:34" (1/1) ... [2024-11-27 19:53:34,519 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:34" (1/1) ... [2024-11-27 19:53:34,527 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-27 19:53:34,527 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:34" (1/1) ... [2024-11-27 19:53:34,528 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:34" (1/1) ... [2024-11-27 19:53:34,529 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:34" (1/1) ... [2024-11-27 19:53:34,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:34" (1/1) ... [2024-11-27 19:53:34,538 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:34" (1/1) ... [2024-11-27 19:53:34,539 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:34" (1/1) ... [2024-11-27 19:53:34,543 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:34" (1/1) ... [2024-11-27 19:53:34,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 19:53:34,545 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 19:53:34,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 19:53:34,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 19:53:34,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:34" (1/1) ... [2024-11-27 19:53:34,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:53:34,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569b4fa2-39ee-41fe-950f-f51f0c2e07fc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:53:34,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569b4fa2-39ee-41fe-950f-f51f0c2e07fc/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 19:53:34,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569b4fa2-39ee-41fe-950f-f51f0c2e07fc/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 19:53:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 19:53:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 19:53:34,703 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 19:53:34,705 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 19:53:34,776 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-27 19:53:34,776 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 19:53:34,788 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 19:53:34,788 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 19:53:34,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:53:34 BoogieIcfgContainer [2024-11-27 19:53:34,789 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 19:53:34,791 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 19:53:34,792 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 19:53:34,799 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 19:53:34,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 07:53:34" (1/3) ... [2024-11-27 19:53:34,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e058e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:53:34, skipping insertion in model container [2024-11-27 19:53:34,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:53:34" (2/3) ... [2024-11-27 19:53:34,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e058e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:53:34, skipping insertion in model container [2024-11-27 19:53:34,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:53:34" (3/3) ... [2024-11-27 19:53:34,802 INFO L128 eAbstractionObserver]: Analyzing ICFG NonTerminationSimple9.c [2024-11-27 19:53:34,822 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 19:53:34,824 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG NonTerminationSimple9.c that has 1 procedures, 12 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2024-11-27 19:53:34,902 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 19:53:34,919 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4eb29ec4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 19:53:34,919 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-27 19:53:34,924 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 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) [2024-11-27 19:53:34,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-27 19:53:34,931 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:53:34,932 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-27 19:53:34,932 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-27 19:53:34,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:53:34,939 INFO L85 PathProgramCache]: Analyzing trace with hash 28696806, now seen corresponding path program 1 times [2024-11-27 19:53:34,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:53:34,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423547091] [2024-11-27 19:53:34,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:53:34,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:53:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:53:35,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:53:35,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:53:35,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423547091] [2024-11-27 19:53:35,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423547091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:53:35,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:53:35,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:53:35,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700037089] [2024-11-27 19:53:35,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:53:35,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:53:35,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:53:35,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:53:35,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:53:35,244 INFO L87 Difference]: Start difference. First operand has 12 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:53:35,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:53:35,335 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2024-11-27 19:53:35,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 19:53:35,339 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-27 19:53:35,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:53:35,347 INFO L225 Difference]: With dead ends: 16 [2024-11-27 19:53:35,348 INFO L226 Difference]: Without dead ends: 7 [2024-11-27 19:53:35,351 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:53:35,357 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 3 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:53:35,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 14 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:53:35,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2024-11-27 19:53:35,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2024-11-27 19:53:35,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:53:35,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2024-11-27 19:53:35,398 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2024-11-27 19:53:35,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:53:35,398 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2024-11-27 19:53:35,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:53:35,399 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2024-11-27 19:53:35,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-27 19:53:35,399 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:53:35,400 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-27 19:53:35,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 19:53:35,400 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-27 19:53:35,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:53:35,401 INFO L85 PathProgramCache]: Analyzing trace with hash 889601032, now seen corresponding path program 1 times [2024-11-27 19:53:35,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:53:35,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456914267] [2024-11-27 19:53:35,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:53:35,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:53:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 19:53:35,415 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 19:53:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 19:53:35,453 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 19:53:35,454 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 19:53:35,456 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-27 19:53:35,458 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-27 19:53:35,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 19:53:35,465 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-27 19:53:35,487 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 19:53:35,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 07:53:35 BoogieIcfgContainer [2024-11-27 19:53:35,494 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 19:53:35,495 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 19:53:35,495 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 19:53:35,498 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 19:53:35,499 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:53:34" (3/4) ... [2024-11-27 19:53:35,500 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-27 19:53:35,553 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 2. [2024-11-27 19:53:35,607 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569b4fa2-39ee-41fe-950f-f51f0c2e07fc/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 19:53:35,607 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569b4fa2-39ee-41fe-950f-f51f0c2e07fc/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 19:53:35,607 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 19:53:35,609 INFO L158 Benchmark]: Toolchain (without parser) took 1414.20ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 55.8MB in the end (delta: 45.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-27 19:53:35,609 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:53:35,609 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.15ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 91.4MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 19:53:35,610 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.72ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 90.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:53:35,610 INFO L158 Benchmark]: Boogie Preprocessor took 37.42ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 89.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:53:35,611 INFO L158 Benchmark]: RCFGBuilder took 243.97ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 80.8MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 19:53:35,611 INFO L158 Benchmark]: TraceAbstraction took 703.00ms. Allocated memory is still 142.6MB. Free memory was 80.1MB in the beginning and 59.6MB in the end (delta: 20.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 19:53:35,612 INFO L158 Benchmark]: Witness Printer took 112.54ms. Allocated memory is still 142.6MB. Free memory was 59.6MB in the beginning and 55.8MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:53:35,614 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.15ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 91.4MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.72ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 90.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.42ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 89.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 243.97ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 80.8MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 703.00ms. Allocated memory is still 142.6MB. Free memory was 80.1MB in the beginning and 59.6MB in the end (delta: 20.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 112.54ms. Allocated memory is still 142.6MB. Free memory was 59.6MB in the beginning and 55.8MB in the end (delta: 3.8MB). There was no memory consumed. 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: 15]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int x; [L13] x = __VERIFIER_nondet_int() [L14] COND TRUE x >= 0 VAL [x=2147483647] [L15] x + __VERIFIER_nondet_int() - UnprovableResult [Line: 15]: 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 1 procedures, 12 locations, 2 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, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 8 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 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, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-27 19:53:35,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569b4fa2-39ee-41fe-950f-f51f0c2e07fc/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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)