./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex8.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_f3d5b10a-930f-45f3-a3fa-c1124bde7fd8/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5b10a-930f-45f3-a3fa-c1124bde7fd8/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5b10a-930f-45f3-a3fa-c1124bde7fd8/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5b10a-930f-45f3-a3fa-c1124bde7fd8/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5b10a-930f-45f3-a3fa-c1124bde7fd8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5b10a-930f-45f3-a3fa-c1124bde7fd8/bin/ukojak-verify-afCqCEvfdi --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 e7623716ab1b63fd3dec96336161ed19bdb4ca6ed8b29ceca2bb1161bdbc0766 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:06:11,350 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:06:11,457 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5b10a-930f-45f3-a3fa-c1124bde7fd8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:06:11,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:06:11,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:06:11,486 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:06:11,487 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:06:11,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:06:11,488 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:06:11,489 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:06:11,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:06:11,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:06:11,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:06:11,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:06:11,492 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:06:11,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:06:11,493 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:06:11,493 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:06:11,494 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:06:11,494 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:06:11,495 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:06:11,496 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:06:11,496 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:06:11,497 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:06:11,497 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:06:11,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:11,499 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:06:11,499 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:06:11,499 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:06:11,500 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:06:11,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:06:11,502 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:06:11,502 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_f3d5b10a-930f-45f3-a3fa-c1124bde7fd8/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5b10a-930f-45f3-a3fa-c1124bde7fd8/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7623716ab1b63fd3dec96336161ed19bdb4ca6ed8b29ceca2bb1161bdbc0766 [2023-11-24 23:06:11,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:06:11,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:06:11,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:06:11,861 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:06:11,862 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:06:11,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5b10a-930f-45f3-a3fa-c1124bde7fd8/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex8.c [2023-11-24 23:06:15,021 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:06:15,324 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:06:15,325 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5b10a-930f-45f3-a3fa-c1124bde7fd8/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex8.c [2023-11-24 23:06:15,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5b10a-930f-45f3-a3fa-c1124bde7fd8/bin/ukojak-verify-afCqCEvfdi/data/486eead1d/c1a23b0d405348dcab56bf02470b95b7/FLAG33df59431 [2023-11-24 23:06:15,360 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5b10a-930f-45f3-a3fa-c1124bde7fd8/bin/ukojak-verify-afCqCEvfdi/data/486eead1d/c1a23b0d405348dcab56bf02470b95b7 [2023-11-24 23:06:15,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:06:15,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:06:15,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:15,375 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:06:15,380 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:06:15,381 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:15" (1/1) ... [2023-11-24 23:06:15,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b9dba56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:15, skipping insertion in model container [2023-11-24 23:06:15,386 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:15" (1/1) ... [2023-11-24 23:06:15,410 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:06:15,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:15,631 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:06:15,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:15,661 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:06:15,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:15 WrapperNode [2023-11-24 23:06:15,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:15,664 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:15,664 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:06:15,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:06:15,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:15" (1/1) ... [2023-11-24 23:06:15,678 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:15" (1/1) ... [2023-11-24 23:06:15,700 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2023-11-24 23:06:15,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:15,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:06:15,702 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:06:15,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:06:15,713 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:15" (1/1) ... [2023-11-24 23:06:15,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:15" (1/1) ... [2023-11-24 23:06:15,714 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:15" (1/1) ... [2023-11-24 23:06:15,715 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:15" (1/1) ... [2023-11-24 23:06:15,717 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:15" (1/1) ... [2023-11-24 23:06:15,722 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:15" (1/1) ... [2023-11-24 23:06:15,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:15" (1/1) ... [2023-11-24 23:06:15,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:15" (1/1) ... [2023-11-24 23:06:15,725 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:06:15,726 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:06:15,727 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:06:15,727 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:06:15,728 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:15" (1/1) ... [2023-11-24 23:06:15,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:15,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5b10a-930f-45f3-a3fa-c1124bde7fd8/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:06:15,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5b10a-930f-45f3-a3fa-c1124bde7fd8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:06:15,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5b10a-930f-45f3-a3fa-c1124bde7fd8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:06:15,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:06:15,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:06:15,902 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:06:15,904 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:06:15,999 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:06:16,024 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:06:16,024 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:06:16,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:16 BoogieIcfgContainer [2023-11-24 23:06:16,026 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:06:16,027 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:06:16,028 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:06:16,036 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:06:16,037 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:16" (1/1) ... [2023-11-24 23:06:16,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:06:16,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:16,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2023-11-24 23:06:16,100 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2023-11-24 23:06:16,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:06:16,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:16,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:06:16,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:06:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:06:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:06:16,211 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:06:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:06:16,222 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:06:16,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:06:16 ImpRootNode [2023-11-24 23:06:16,243 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:06:16,244 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:06:16,245 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:06:16,245 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:06:16,246 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:16" (3/4) ... [2023-11-24 23:06:16,247 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 23:06:16,290 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5b10a-930f-45f3-a3fa-c1124bde7fd8/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:06:16,291 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:06:16,292 INFO L158 Benchmark]: Toolchain (without parser) took 921.18ms. Allocated memory is still 167.8MB. Free memory was 132.3MB in the beginning and 98.7MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-24 23:06:16,292 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:06:16,293 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.57ms. Allocated memory is still 167.8MB. Free memory was 131.9MB in the beginning and 122.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 23:06:16,294 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.97ms. Allocated memory is still 167.8MB. Free memory was 122.2MB in the beginning and 121.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:06:16,294 INFO L158 Benchmark]: Boogie Preprocessor took 24.15ms. Allocated memory is still 167.8MB. Free memory was 121.1MB in the beginning and 120.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:06:16,295 INFO L158 Benchmark]: RCFGBuilder took 300.20ms. Allocated memory is still 167.8MB. Free memory was 120.1MB in the beginning and 110.3MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 23:06:16,296 INFO L158 Benchmark]: CodeCheck took 216.20ms. Allocated memory is still 167.8MB. Free memory was 110.3MB in the beginning and 100.5MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:06:16,297 INFO L158 Benchmark]: Witness Printer took 46.32ms. Allocated memory is still 167.8MB. Free memory was 100.1MB in the beginning and 98.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:06:16,300 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 22]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int q, y; [L15] q = __VERIFIER_nondet_int() [L16] y = __VERIFIER_nondet_int() [L17] COND TRUE q > 0 VAL [q=1, y=-2147483648] [L18] COND FALSE !(y > 0) VAL [q=1, y=-2147483648] [L22] y - 1 VAL [q=1, y=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.57ms. Allocated memory is still 167.8MB. Free memory was 131.9MB in the beginning and 122.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.97ms. Allocated memory is still 167.8MB. Free memory was 122.2MB in the beginning and 121.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.15ms. Allocated memory is still 167.8MB. Free memory was 121.1MB in the beginning and 120.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 300.20ms. Allocated memory is still 167.8MB. Free memory was 120.1MB in the beginning and 110.3MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 216.20ms. Allocated memory is still 167.8MB. Free memory was 110.3MB in the beginning and 100.5MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 46.32ms. Allocated memory is still 167.8MB. Free memory was 100.1MB in the beginning and 98.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-24 23:06:16,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5b10a-930f-45f3-a3fa-c1124bde7fd8/bin/ukojak-verify-afCqCEvfdi/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)