./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/NestedRecursion_2a.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_f100e857-3d52-4340-9b22-174ceed13cf3/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100e857-3d52-4340-9b22-174ceed13cf3/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_f100e857-3d52-4340-9b22-174ceed13cf3/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100e857-3d52-4340-9b22-174ceed13cf3/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/NestedRecursion_2a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100e857-3d52-4340-9b22-174ceed13cf3/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_f100e857-3d52-4340-9b22-174ceed13cf3/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 d1b4f878f349b01f3590c559873a0592fcefb7dcee6776147b1461d6eff5d64d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:48:02,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:48:02,095 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100e857-3d52-4340-9b22-174ceed13cf3/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:48:02,100 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:48:02,101 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:48:02,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:48:02,128 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:48:02,128 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:48:02,129 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:48:02,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:48:02,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:48:02,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:48:02,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:48:02,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:48:02,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:48:02,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:48:02,134 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:48:02,135 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:48:02,136 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:48:02,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:48:02,137 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:48:02,138 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:48:02,138 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:48:02,139 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:48:02,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:02,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:48:02,141 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:48:02,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:48:02,142 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:48:02,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:48:02,143 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:48:02,144 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_f100e857-3d52-4340-9b22-174ceed13cf3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100e857-3d52-4340-9b22-174ceed13cf3/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1b4f878f349b01f3590c559873a0592fcefb7dcee6776147b1461d6eff5d64d [2023-11-11 23:48:02,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:48:02,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:48:02,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:48:02,466 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:48:02,466 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:48:02,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100e857-3d52-4340-9b22-174ceed13cf3/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-crafted/NestedRecursion_2a.c [2023-11-11 23:48:05,711 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:48:05,921 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:48:05,922 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100e857-3d52-4340-9b22-174ceed13cf3/sv-benchmarks/c/termination-crafted/NestedRecursion_2a.c [2023-11-11 23:48:05,930 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100e857-3d52-4340-9b22-174ceed13cf3/bin/ukojak-verify-0OAaufAVZV/data/1a2a298a5/65b07b6637c5457aa66afbcef89219f7/FLAG374ff5a2f [2023-11-11 23:48:05,949 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100e857-3d52-4340-9b22-174ceed13cf3/bin/ukojak-verify-0OAaufAVZV/data/1a2a298a5/65b07b6637c5457aa66afbcef89219f7 [2023-11-11 23:48:05,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:48:05,958 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:48:05,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:05,961 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:48:05,966 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:48:05,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:05" (1/1) ... [2023-11-11 23:48:05,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bf3dbfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:05, skipping insertion in model container [2023-11-11 23:48:05,971 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:05" (1/1) ... [2023-11-11 23:48:05,998 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:48:06,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:06,159 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:48:06,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:06,182 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:48:06,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:06 WrapperNode [2023-11-11 23:48:06,183 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:06,184 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:06,184 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:48:06,184 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:48:06,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:06" (1/1) ... [2023-11-11 23:48:06,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:06" (1/1) ... [2023-11-11 23:48:06,212 INFO L138 Inliner]: procedures = 5, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 9 [2023-11-11 23:48:06,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:06,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:48:06,217 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:48:06,217 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:48:06,226 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:06" (1/1) ... [2023-11-11 23:48:06,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:06" (1/1) ... [2023-11-11 23:48:06,229 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:06" (1/1) ... [2023-11-11 23:48:06,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:06" (1/1) ... [2023-11-11 23:48:06,233 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:06" (1/1) ... [2023-11-11 23:48:06,235 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:06" (1/1) ... [2023-11-11 23:48:06,236 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:06" (1/1) ... [2023-11-11 23:48:06,237 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:06" (1/1) ... [2023-11-11 23:48:06,242 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:48:06,244 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:48:06,244 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:48:06,244 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:48:06,245 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:06" (1/1) ... [2023-11-11 23:48:06,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:06,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100e857-3d52-4340-9b22-174ceed13cf3/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:48:06,280 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100e857-3d52-4340-9b22-174ceed13cf3/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:48:06,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100e857-3d52-4340-9b22-174ceed13cf3/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:48:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure g [2023-11-11 23:48:06,321 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2023-11-11 23:48:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:48:06,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:48:06,375 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:48:06,377 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:48:06,474 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:48:06,492 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:48:06,492 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:48:06,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:06 BoogieIcfgContainer [2023-11-11 23:48:06,495 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:48:06,497 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:48:06,497 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:48:06,507 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:48:06,508 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:06" (1/1) ... [2023-11-11 23:48:06,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:48:06,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:06,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-11-11 23:48:06,574 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-11 23:48:06,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:48:06,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:06,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:48:06,671 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:48:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:48:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:48:06,760 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:48:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:48:06,788 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-11 23:48:06,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:48:06 ImpRootNode [2023-11-11 23:48:06,821 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:48:06,822 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:48:06,822 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:48:06,822 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:48:06,823 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:06" (3/4) ... [2023-11-11 23:48:06,824 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-11 23:48:06,885 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100e857-3d52-4340-9b22-174ceed13cf3/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:48:06,885 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:48:06,887 INFO L158 Benchmark]: Toolchain (without parser) took 927.87ms. Allocated memory is still 125.8MB. Free memory was 88.3MB in the beginning and 55.9MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-11 23:48:06,888 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory is still 96.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:06,892 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.13ms. Allocated memory is still 125.8MB. Free memory was 88.3MB in the beginning and 78.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:48:06,898 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.61ms. Allocated memory is still 125.8MB. Free memory was 78.9MB in the beginning and 77.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:06,898 INFO L158 Benchmark]: Boogie Preprocessor took 26.39ms. Allocated memory is still 125.8MB. Free memory was 77.4MB in the beginning and 76.5MB in the end (delta: 886.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:06,899 INFO L158 Benchmark]: RCFGBuilder took 252.03ms. Allocated memory is still 125.8MB. Free memory was 76.5MB in the beginning and 67.4MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-11 23:48:06,901 INFO L158 Benchmark]: CodeCheck took 324.38ms. Allocated memory is still 125.8MB. Free memory was 67.4MB in the beginning and 57.5MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:48:06,902 INFO L158 Benchmark]: Witness Printer took 63.75ms. Allocated memory is still 125.8MB. Free memory was 57.5MB in the beginning and 55.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:06,905 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 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 5 NumberOfCodeBlocks, 5 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: 15]: integer overflow possible integer overflow possible We found a FailurePath: [L19] int x = __VERIFIER_nondet_int(); [L20] CALL g(x) VAL [\old(x)=-2147483648] [L12] COND FALSE !(x == 0) VAL [\old(x)=-2147483648, x=-2147483648] [L15] x - 1 VAL [\old(x)=-2147483648, x=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory is still 96.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.13ms. Allocated memory is still 125.8MB. Free memory was 88.3MB in the beginning and 78.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.61ms. Allocated memory is still 125.8MB. Free memory was 78.9MB in the beginning and 77.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.39ms. Allocated memory is still 125.8MB. Free memory was 77.4MB in the beginning and 76.5MB in the end (delta: 886.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 252.03ms. Allocated memory is still 125.8MB. Free memory was 76.5MB in the beginning and 67.4MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 324.38ms. Allocated memory is still 125.8MB. Free memory was 67.4MB in the beginning and 57.5MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 63.75ms. Allocated memory is still 125.8MB. Free memory was 57.5MB in the beginning and 55.9MB 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 23:48:06,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f100e857-3d52-4340-9b22-174ceed13cf3/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)