./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Gothenburg_v2-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68485cb8-0b4b-4eb9-bd8c-12593b6e49af/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68485cb8-0b4b-4eb9-bd8c-12593b6e49af/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68485cb8-0b4b-4eb9-bd8c-12593b6e49af/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68485cb8-0b4b-4eb9-bd8c-12593b6e49af/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Gothenburg_v2-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68485cb8-0b4b-4eb9-bd8c-12593b6e49af/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68485cb8-0b4b-4eb9-bd8c-12593b6e49af/bin/ukojak-verify-0OAaufAVZV --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 611ac8d71845ccf9a512fc72d6bc3a2815b4d05a21509285be3f30b1f4275a4d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:59:29,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:59:29,336 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68485cb8-0b4b-4eb9-bd8c-12593b6e49af/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:59:29,343 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:59:29,344 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:59:29,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:59:29,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:59:29,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:59:29,389 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:59:29,395 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:59:29,396 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:59:29,397 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:59:29,397 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:59:29,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:59:29,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:59:29,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:59:29,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:59:29,401 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:59:29,402 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:59:29,403 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:59:29,403 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:59:29,404 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:59:29,404 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:59:29,405 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:59:29,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:29,406 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:59:29,407 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:59:29,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:59:29,408 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:59:29,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:59:29,410 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:59:29,410 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68485cb8-0b4b-4eb9-bd8c-12593b6e49af/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68485cb8-0b4b-4eb9-bd8c-12593b6e49af/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 611ac8d71845ccf9a512fc72d6bc3a2815b4d05a21509285be3f30b1f4275a4d [2023-11-11 23:59:29,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:59:29,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:59:29,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:59:29,768 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:59:29,769 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:59:29,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68485cb8-0b4b-4eb9-bd8c-12593b6e49af/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-crafted/Gothenburg_v2-2.c [2023-11-11 23:59:32,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:59:33,149 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:59:33,149 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68485cb8-0b4b-4eb9-bd8c-12593b6e49af/sv-benchmarks/c/termination-crafted/Gothenburg_v2-2.c [2023-11-11 23:59:33,158 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68485cb8-0b4b-4eb9-bd8c-12593b6e49af/bin/ukojak-verify-0OAaufAVZV/data/2bc25db13/a092aaf945ac4857b69fddb0d7997e12/FLAG7caab7326 [2023-11-11 23:59:33,179 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68485cb8-0b4b-4eb9-bd8c-12593b6e49af/bin/ukojak-verify-0OAaufAVZV/data/2bc25db13/a092aaf945ac4857b69fddb0d7997e12 [2023-11-11 23:59:33,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:59:33,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:59:33,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:33,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:59:33,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:59:33,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:33" (1/1) ... [2023-11-11 23:59:33,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@578b185f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:33, skipping insertion in model container [2023-11-11 23:59:33,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:33" (1/1) ... [2023-11-11 23:59:33,229 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:59:33,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:33,416 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:59:33,429 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:33,445 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:59:33,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:33 WrapperNode [2023-11-11 23:59:33,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:33,447 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:33,447 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:59:33,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:59:33,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:33" (1/1) ... [2023-11-11 23:59:33,458 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:33" (1/1) ... [2023-11-11 23:59:33,479 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2023-11-11 23:59:33,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:33,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:59:33,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:59:33,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:59:33,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:33" (1/1) ... [2023-11-11 23:59:33,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:33" (1/1) ... [2023-11-11 23:59:33,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:33" (1/1) ... [2023-11-11 23:59:33,491 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:33" (1/1) ... [2023-11-11 23:59:33,494 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:33" (1/1) ... [2023-11-11 23:59:33,498 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:33" (1/1) ... [2023-11-11 23:59:33,499 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:33" (1/1) ... [2023-11-11 23:59:33,500 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:33" (1/1) ... [2023-11-11 23:59:33,501 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:59:33,502 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:59:33,502 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:59:33,502 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:59:33,503 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:33" (1/1) ... [2023-11-11 23:59:33,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:33,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68485cb8-0b4b-4eb9-bd8c-12593b6e49af/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:59:33,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68485cb8-0b4b-4eb9-bd8c-12593b6e49af/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:59:33,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68485cb8-0b4b-4eb9-bd8c-12593b6e49af/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:59:33,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:59:33,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:59:33,650 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:59:33,652 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:59:33,824 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:59:33,848 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:59:33,848 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:59:33,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:33 BoogieIcfgContainer [2023-11-11 23:59:33,852 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:59:33,856 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:59:33,856 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:59:33,866 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:59:33,866 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:33" (1/1) ... [2023-11-11 23:59:33,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:59:33,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:33,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2023-11-11 23:59:33,953 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2023-11-11 23:59:33,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-11 23:59:33,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:33,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:34,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:34,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:34,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 32 states and 33 transitions. [2023-11-11 23:59:34,128 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2023-11-11 23:59:34,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:59:34,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:34,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:59:34,150 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:59:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:59:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:59:34,197 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:59:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:59:34,209 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-11 23:59:34,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:59:34 ImpRootNode [2023-11-11 23:59:34,229 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:59:34,229 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:59:34,230 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:59:34,230 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:59:34,230 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:33" (3/4) ... [2023-11-11 23:59:34,232 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-11 23:59:34,271 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68485cb8-0b4b-4eb9-bd8c-12593b6e49af/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:59:34,271 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:59:34,272 INFO L158 Benchmark]: Toolchain (without parser) took 1083.77ms. Allocated memory is still 190.8MB. Free memory was 152.8MB in the beginning and 113.7MB in the end (delta: 39.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-11 23:59:34,273 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:59:34,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.33ms. Allocated memory is still 190.8MB. Free memory was 152.4MB in the beginning and 143.0MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:59:34,275 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.99ms. Allocated memory is still 190.8MB. Free memory was 143.0MB in the beginning and 141.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:59:34,276 INFO L158 Benchmark]: Boogie Preprocessor took 21.51ms. Allocated memory is still 190.8MB. Free memory was 141.6MB in the beginning and 140.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:59:34,277 INFO L158 Benchmark]: RCFGBuilder took 350.56ms. Allocated memory is still 190.8MB. Free memory was 140.5MB in the beginning and 129.1MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:59:34,277 INFO L158 Benchmark]: CodeCheck took 373.36ms. Allocated memory is still 190.8MB. Free memory was 129.1MB in the beginning and 115.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:59:34,278 INFO L158 Benchmark]: Witness Printer took 41.90ms. Allocated memory is still 190.8MB. Free memory was 115.3MB in the beginning and 113.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:59:34,283 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, 33 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 0 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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 - CounterExampleResult [Line: 18]: integer overflow possible integer overflow possible We found a FailurePath: [L13] int x, y, a, b; [L14] a = __VERIFIER_nondet_int() [L15] b = __VERIFIER_nondet_int() [L16] x = __VERIFIER_nondet_int() [L17] y = __VERIFIER_nondet_int() [L18] b + 1 VAL [a=0, b=2147483647, x=0, y=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.33ms. Allocated memory is still 190.8MB. Free memory was 152.4MB in the beginning and 143.0MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.99ms. Allocated memory is still 190.8MB. Free memory was 143.0MB in the beginning and 141.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.51ms. Allocated memory is still 190.8MB. Free memory was 141.6MB in the beginning and 140.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 350.56ms. Allocated memory is still 190.8MB. Free memory was 140.5MB in the beginning and 129.1MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 373.36ms. Allocated memory is still 190.8MB. Free memory was 129.1MB in the beginning and 115.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 41.90ms. Allocated memory is still 190.8MB. Free memory was 115.3MB in the beginning and 113.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-11 23:59:34,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68485cb8-0b4b-4eb9-bd8c-12593b6e49af/bin/ukojak-verify-0OAaufAVZV/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)