./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.09.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6082d521-1066-45c0-be77-f20410ef6f5b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6082d521-1066-45c0-be77-f20410ef6f5b/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6082d521-1066-45c0-be77-f20410ef6f5b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6082d521-1066-45c0-be77-f20410ef6f5b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.09.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6082d521-1066-45c0-be77-f20410ef6f5b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6082d521-1066-45c0-be77-f20410ef6f5b/bin/ukojak-verify-EEHR8qb7sm --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 f3b0a85b193dd727e41f92aa8ad8c9c43fabbe0635b66c30fec4c384343071b2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:48:57,342 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:48:57,448 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6082d521-1066-45c0-be77-f20410ef6f5b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:48:57,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:48:57,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:48:57,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:48:57,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:48:57,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:48:57,476 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:48:57,476 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:48:57,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:48:57,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:48:57,476 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:48:57,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:48:57,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:48:57,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:48:57,477 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:48:57,477 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:48:57,477 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:48:57,477 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:48:57,477 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:48:57,477 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:48:57,477 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:48:57,477 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:48:57,478 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:48:57,478 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:48:57,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:48:57,478 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:48:57,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:48:57,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:48:57,478 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:48:57,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:48:57,479 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_6082d521-1066-45c0-be77-f20410ef6f5b/bin/ukojak-verify-EEHR8qb7sm 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 -> f3b0a85b193dd727e41f92aa8ad8c9c43fabbe0635b66c30fec4c384343071b2 [2024-11-13 22:48:57,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:48:57,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:48:57,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:48:57,783 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:48:57,786 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:48:57,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6082d521-1066-45c0-be77-f20410ef6f5b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.09.c Unable to find full path for "g++" [2024-11-13 22:48:59,715 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:48:59,973 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:48:59,980 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6082d521-1066-45c0-be77-f20410ef6f5b/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.09.c [2024-11-13 22:48:59,989 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6082d521-1066-45c0-be77-f20410ef6f5b/bin/ukojak-verify-EEHR8qb7sm/data/acdaf0755/feff9c2ff5894c9fbb2b53017facc370/FLAG53c296100 [2024-11-13 22:49:00,027 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6082d521-1066-45c0-be77-f20410ef6f5b/bin/ukojak-verify-EEHR8qb7sm/data/acdaf0755/feff9c2ff5894c9fbb2b53017facc370 [2024-11-13 22:49:00,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:49:00,031 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:49:00,032 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:49:00,033 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:49:00,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:49:00,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:49:00" (1/1) ... [2024-11-13 22:49:00,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a511345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:00, skipping insertion in model container [2024-11-13 22:49:00,040 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:49:00" (1/1) ... [2024-11-13 22:49:00,053 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:49:00,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:49:00,225 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:49:00,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:49:00,255 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:49:00,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:00 WrapperNode [2024-11-13 22:49:00,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:49:00,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:49:00,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:49:00,257 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:49:00,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:00" (1/1) ... [2024-11-13 22:49:00,268 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:00" (1/1) ... [2024-11-13 22:49:00,285 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2024-11-13 22:49:00,285 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:49:00,287 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:49:00,287 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:49:00,287 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:49:00,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:00" (1/1) ... [2024-11-13 22:49:00,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:00" (1/1) ... [2024-11-13 22:49:00,295 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:00" (1/1) ... [2024-11-13 22:49:00,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:00" (1/1) ... [2024-11-13 22:49:00,299 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:00" (1/1) ... [2024-11-13 22:49:00,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:00" (1/1) ... [2024-11-13 22:49:00,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:00" (1/1) ... [2024-11-13 22:49:00,307 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:00" (1/1) ... [2024-11-13 22:49:00,308 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:49:00,311 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:49:00,311 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:49:00,311 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:49:00,312 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:00" (1/1) ... [2024-11-13 22:49:00,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:49:00,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6082d521-1066-45c0-be77-f20410ef6f5b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:49:00,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6082d521-1066-45c0-be77-f20410ef6f5b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:49:00,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6082d521-1066-45c0-be77-f20410ef6f5b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:49:00,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:49:00,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:49:00,456 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:49:00,458 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:49:00,571 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-13 22:49:00,572 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:49:00,616 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:49:00,617 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:49:00,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:49:00 BoogieIcfgContainer [2024-11-13 22:49:00,618 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:49:00,619 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:49:00,619 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:49:00,630 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:49:00,630 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:49:00" (1/1) ... [2024-11-13 22:49:00,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:49:00,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:00,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2024-11-13 22:49:00,701 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2024-11-13 22:49:00,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:49:00,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:00,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:00,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:00,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:00,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2024-11-13 22:49:00,953 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2024-11-13 22:49:00,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:49:00,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:00,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:00,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:01,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:01,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-11-13 22:49:01,056 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-13 22:49:01,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:49:01,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:01,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:49:01,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:49:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:49:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:49:01,096 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:49:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:49:01,105 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-13 22:49:01,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:49:01 ImpRootNode [2024-11-13 22:49:01,127 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:49:01,128 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:49:01,128 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:49:01,128 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:49:01,129 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:49:00" (3/4) ... [2024-11-13 22:49:01,129 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 22:49:01,161 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6082d521-1066-45c0-be77-f20410ef6f5b/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:49:01,162 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:49:01,163 INFO L158 Benchmark]: Toolchain (without parser) took 1131.73ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 77.3MB in the end (delta: 41.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 22:49:01,163 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:49:01,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.64ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 108.3MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:49:01,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.63ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 107.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:49:01,164 INFO L158 Benchmark]: Boogie Preprocessor took 21.34ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.7MB in the end (delta: 565.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:49:01,165 INFO L158 Benchmark]: RCFGBuilder took 307.98ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 96.3MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:49:01,165 INFO L158 Benchmark]: CodeCheck took 507.56ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 79.0MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:49:01,165 INFO L158 Benchmark]: Witness Printer took 34.15ms. Allocated memory is still 142.6MB. Free memory was 79.0MB in the beginning and 77.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:49:01,168 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, 19 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 0 mSDtfsCounter, 29 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 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, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - CounterExampleResult [Line: 28]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y, n; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] n = __VERIFIER_nondet_int() [L27] COND TRUE x > 0 && x < n VAL [n=2, x=1, y=-2147483648] [L28] EXPR -x VAL [n=2, x=1, y=-2147483648] [L28] -x + y VAL [n=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.64ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 108.3MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.63ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 107.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.34ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.7MB in the end (delta: 565.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 307.98ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 96.3MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 507.56ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 79.0MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 34.15ms. Allocated memory is still 142.6MB. Free memory was 79.0MB in the beginning and 77.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 22:49:01,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6082d521-1066-45c0-be77-f20410ef6f5b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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)