./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.07.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_4452fa43-d3a2-40ee-809a-61378eb62ce3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452fa43-d3a2-40ee-809a-61378eb62ce3/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452fa43-d3a2-40ee-809a-61378eb62ce3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452fa43-d3a2-40ee-809a-61378eb62ce3/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452fa43-d3a2-40ee-809a-61378eb62ce3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452fa43-d3a2-40ee-809a-61378eb62ce3/bin/ukojak-verify-ENZ3QT5qd3 --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b17afed369e96ef9400e55616d85bd764624b0ad8e350996b1cd9f163cf449fd
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-11-25 03:09:01,411 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-25 03:09:01,493 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452fa43-d3a2-40ee-809a-61378eb62ce3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf
[2024-11-25 03:09:01,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-25 03:09:01,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver
[2024-11-25 03:09:01,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-25 03:09:01,542 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-25 03:09:01,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS
[2024-11-25 03:09:01,542 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-25 03:09:01,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-25 03:09:01,542 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-25 03:09:01,542 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-25 03:09:01,543 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-25 03:09:01,544 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-25 03:09:01,545 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-25 03:09:01,545 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-25 03:09:01,545 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-25 03:09:01,545 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-25 03:09:01,545 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-25 03:09:01,545 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-25 03:09:01,545 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-25 03:09:01,545 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-25 03:09:01,545 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2024-11-25 03:09:01,545 INFO L153 SettingsManager]: * Timeout in seconds=1000000
[2024-11-25 03:09:01,545 INFO L153 SettingsManager]: * Theory for external solver=ALL
[2024-11-25 03:09:01,546 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-25 03:09:01,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2024-11-25 03:09:01,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-25 03:09:01,546 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-25 03:09:01,547 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-25 03:09:01,547 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN
[2024-11-25 03:09:01,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-25 03:09:01,547 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
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_4452fa43-d3a2-40ee-809a-61378eb62ce3/bin/ukojak-verify-ENZ3QT5qd3
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 -> Kojak
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 -> b17afed369e96ef9400e55616d85bd764624b0ad8e350996b1cd9f163cf449fd
[2024-11-25 03:09:01,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-25 03:09:01,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-25 03:09:01,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-25 03:09:01,870 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-25 03:09:01,870 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-25 03:09:01,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452fa43-d3a2-40ee-809a-61378eb62ce3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.07.c
[2024-11-25 03:09:04,909 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452fa43-d3a2-40ee-809a-61378eb62ce3/bin/ukojak-verify-ENZ3QT5qd3/data/d3790d5c9/d2b2df9f91894bdab762f2e0946fee8c/FLAGd0f7116cf
[2024-11-25 03:09:05,133 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-25 03:09:05,134 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452fa43-d3a2-40ee-809a-61378eb62ce3/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.07.c
[2024-11-25 03:09:05,147 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452fa43-d3a2-40ee-809a-61378eb62ce3/bin/ukojak-verify-ENZ3QT5qd3/data/d3790d5c9/d2b2df9f91894bdab762f2e0946fee8c/FLAGd0f7116cf
[2024-11-25 03:09:05,176 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452fa43-d3a2-40ee-809a-61378eb62ce3/bin/ukojak-verify-ENZ3QT5qd3/data/d3790d5c9/d2b2df9f91894bdab762f2e0946fee8c
[2024-11-25 03:09:05,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-25 03:09:05,183 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-25 03:09:05,185 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-25 03:09:05,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-25 03:09:05,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-25 03:09:05,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:09:05" (1/1) ...
[2024-11-25 03:09:05,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2842a75a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:05, skipping insertion in model container
[2024-11-25 03:09:05,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:09:05" (1/1) ...
[2024-11-25 03:09:05,216 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-25 03:09:05,429 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-25 03:09:05,438 INFO L200 MainTranslator]: Completed pre-run
[2024-11-25 03:09:05,453 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-25 03:09:05,474 INFO L204 MainTranslator]: Completed translation
[2024-11-25 03:09:05,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:05 WrapperNode
[2024-11-25 03:09:05,475 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-25 03:09:05,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-25 03:09:05,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-25 03:09:05,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-25 03:09:05,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:05" (1/1) ...
[2024-11-25 03:09:05,496 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:05" (1/1) ...
[2024-11-25 03:09:05,514 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31
[2024-11-25 03:09:05,515 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-25 03:09:05,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-25 03:09:05,516 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-25 03:09:05,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-25 03:09:05,524 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:05" (1/1) ...
[2024-11-25 03:09:05,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:05" (1/1) ...
[2024-11-25 03:09:05,527 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:05" (1/1) ...
[2024-11-25 03:09:05,527 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:05" (1/1) ...
[2024-11-25 03:09:05,529 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:05" (1/1) ...
[2024-11-25 03:09:05,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:05" (1/1) ...
[2024-11-25 03:09:05,540 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:05" (1/1) ...
[2024-11-25 03:09:05,544 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:05" (1/1) ...
[2024-11-25 03:09:05,544 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:05" (1/1) ...
[2024-11-25 03:09:05,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-25 03:09:05,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-25 03:09:05,546 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-25 03:09:05,547 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-25 03:09:05,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:09:05" (1/1) ...
[2024-11-25 03:09:05,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2024-11-25 03:09:05,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452fa43-d3a2-40ee-809a-61378eb62ce3/bin/ukojak-verify-ENZ3QT5qd3/z3
[2024-11-25 03:09:05,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452fa43-d3a2-40ee-809a-61378eb62ce3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null)
[2024-11-25 03:09:05,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452fa43-d3a2-40ee-809a-61378eb62ce3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process
[2024-11-25 03:09:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-25 03:09:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-25 03:09:05,719 INFO L234 CfgBuilder]: Building ICFG
[2024-11-25 03:09:05,722 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-25 03:09:05,814 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live.
[2024-11-25 03:09:05,815 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-25 03:09:05,845 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-25 03:09:05,845 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-25 03:09:05,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:09:05 BoogieIcfgContainer
[2024-11-25 03:09:05,846 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-25 03:09:05,847 INFO L112 PluginConnector]: ------------------------CodeCheck----------------------------
[2024-11-25 03:09:05,847 INFO L270 PluginConnector]: Initializing CodeCheck...
[2024-11-25 03:09:05,857 INFO L274 PluginConnector]: CodeCheck initialized
[2024-11-25 03:09:05,858 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:09:05" (1/1) ...
[2024-11-25 03:09:05,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-25 03:09:05,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available
[2024-11-25 03:09:05,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions.
[2024-11-25 03:09:05,928 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions.
[2024-11-25 03:09:05,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2024-11-25 03:09:05,932 INFO L420 CodeCheckObserver]: Error Path is FOUND.
[2024-11-25 03:09:05,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-25 03:09:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-25 03:09:06,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-25 03:09:06,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available
[2024-11-25 03:09:06,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions.
[2024-11-25 03:09:06,227 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions.
[2024-11-25 03:09:06,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2024-11-25 03:09:06,227 INFO L420 CodeCheckObserver]: Error Path is FOUND.
[2024-11-25 03:09:06,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-25 03:09:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-25 03:09:06,249 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-25 03:09:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-25 03:09:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-25 03:09:06,304 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-25 03:09:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-25 03:09:06,323 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations.
[2024-11-25 03:09:06,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:09:06 ImpRootNode
[2024-11-25 03:09:06,352 INFO L131 PluginConnector]: ------------------------ END CodeCheck----------------------------
[2024-11-25 03:09:06,354 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-25 03:09:06,354 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-25 03:09:06,354 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-25 03:09:06,355 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:09:05" (3/4) ...
[2024-11-25 03:09:06,357 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-25 03:09:06,402 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 2.
[2024-11-25 03:09:06,447 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452fa43-d3a2-40ee-809a-61378eb62ce3/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml
[2024-11-25 03:09:06,447 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452fa43-d3a2-40ee-809a-61378eb62ce3/bin/ukojak-verify-ENZ3QT5qd3/witness.yml
[2024-11-25 03:09:06,447 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-25 03:09:06,449 INFO L158 Benchmark]: Toolchain (without parser) took 1265.50ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 52.6MB in the end (delta: 40.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
[2024-11-25 03:09:06,449 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-25 03:09:06,450 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.94ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 82.7MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-25 03:09:06,451 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.75ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-25 03:09:06,451 INFO L158 Benchmark]: Boogie Preprocessor took 29.57ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 81.1MB in the end (delta: 596.7kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-25 03:09:06,452 INFO L158 Benchmark]: RCFGBuilder took 299.41ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 71.6MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-25 03:09:06,452 INFO L158 Benchmark]: CodeCheck took 506.39ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 56.4MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-25 03:09:06,452 INFO L158 Benchmark]: Witness Printer took 93.59ms. Allocated memory is still 117.4MB. Free memory was 56.2MB in the beginning and 52.6MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-25 03:09:06,454 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck:
- StatisticsResult: Ultimate CodeCheck benchmark data
CFG has 1 procedures, 15 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 2 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- CounterExampleResult [Line: 28]: integer overflow possible
integer overflow possible
We found a FailurePath:
[L23] int x, y, z;
[L24] x = __VERIFIER_nondet_int()
[L25] y = __VERIFIER_nondet_int()
[L26] z = __VERIFIER_nondet_int()
[L27] COND TRUE x >= 0
VAL [x=1, y=2147483647, z=0]
[L28] x + y
VAL [z=0]
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 290.94ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 82.7MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 37.75ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 29.57ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 81.1MB in the end (delta: 596.7kB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 299.41ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 71.6MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* CodeCheck took 506.39ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 56.4MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Witness Printer took 93.59ms. Allocated memory is still 117.4MB. Free memory was 56.2MB in the beginning and 52.6MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
RESULT: Ultimate proved your program to be incorrect!
[2024-11-25 03:09:06,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452fa43-d3a2-40ee-809a-61378eb62ce3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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)