./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive/EvenOdd03WithOverflowBug.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_2506bbcc-1e03-4830-8964-58717e8c0c7f/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bbcc-1e03-4830-8964-58717e8c0c7f/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bbcc-1e03-4830-8964-58717e8c0c7f/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bbcc-1e03-4830-8964-58717e8c0c7f/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/EvenOdd03WithOverflowBug.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bbcc-1e03-4830-8964-58717e8c0c7f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bbcc-1e03-4830-8964-58717e8c0c7f/bin/ukojak-verify-1t5iHCbJaC --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 32bit --witnessprinter.graph.data.programhash 04682225c8f8ef1d718e2eff7a5dbc28147daac3b8dcdca523479af4f0e32241 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:13:34,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:13:34,728 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bbcc-1e03-4830-8964-58717e8c0c7f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:13:34,732 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:13:34,733 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:13:34,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:13:34,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:13:34,760 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:13:34,760 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:13:34,761 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:13:34,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:13:34,762 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:13:34,763 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:13:34,763 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:13:34,764 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:13:34,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:13:34,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:13:34,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:13:34,766 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:13:34,766 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:13:34,767 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:13:34,767 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:13:34,768 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:13:34,768 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:13:34,769 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:13:34,769 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:13:34,770 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:13:34,770 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:13:34,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:13:34,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:13:34,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:13:34,772 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:13:34,772 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:13:34,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:13:34,773 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:13:34,773 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_2506bbcc-1e03-4830-8964-58717e8c0c7f/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bbcc-1e03-4830-8964-58717e8c0c7f/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04682225c8f8ef1d718e2eff7a5dbc28147daac3b8dcdca523479af4f0e32241 [2023-11-23 20:13:35,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:13:35,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:13:35,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:13:35,090 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:13:35,090 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:13:35,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bbcc-1e03-4830-8964-58717e8c0c7f/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/recursive/EvenOdd03WithOverflowBug.c [2023-11-23 20:13:38,376 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:13:38,643 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:13:38,644 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bbcc-1e03-4830-8964-58717e8c0c7f/sv-benchmarks/c/recursive/EvenOdd03WithOverflowBug.c [2023-11-23 20:13:38,654 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bbcc-1e03-4830-8964-58717e8c0c7f/bin/ukojak-verify-1t5iHCbJaC/data/b3909ce9f/8c5a92946540499287a6e05f3a0404a8/FLAGe95435841 [2023-11-23 20:13:38,674 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bbcc-1e03-4830-8964-58717e8c0c7f/bin/ukojak-verify-1t5iHCbJaC/data/b3909ce9f/8c5a92946540499287a6e05f3a0404a8 [2023-11-23 20:13:38,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:13:38,680 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:13:38,681 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:13:38,682 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:13:38,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:13:38,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:38" (1/1) ... [2023-11-23 20:13:38,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d528fb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:38, skipping insertion in model container [2023-11-23 20:13:38,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:38" (1/1) ... [2023-11-23 20:13:38,721 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:13:38,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:38,957 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:13:38,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:38,996 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:13:38,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:38 WrapperNode [2023-11-23 20:13:38,997 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:13:38,998 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:13:38,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:13:38,999 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:13:39,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:38" (1/1) ... [2023-11-23 20:13:39,017 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:38" (1/1) ... [2023-11-23 20:13:39,038 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2023-11-23 20:13:39,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:13:39,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:13:39,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:13:39,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:13:39,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:38" (1/1) ... [2023-11-23 20:13:39,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:38" (1/1) ... [2023-11-23 20:13:39,056 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:38" (1/1) ... [2023-11-23 20:13:39,057 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:38" (1/1) ... [2023-11-23 20:13:39,060 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:38" (1/1) ... [2023-11-23 20:13:39,063 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:38" (1/1) ... [2023-11-23 20:13:39,064 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:38" (1/1) ... [2023-11-23 20:13:39,065 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:38" (1/1) ... [2023-11-23 20:13:39,067 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:13:39,068 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:13:39,069 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:13:39,069 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:13:39,079 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:38" (1/1) ... [2023-11-23 20:13:39,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:13:39,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bbcc-1e03-4830-8964-58717e8c0c7f/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:13:39,124 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bbcc-1e03-4830-8964-58717e8c0c7f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:13:39,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bbcc-1e03-4830-8964-58717e8c0c7f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:13:39,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:13:39,172 INFO L130 BoogieDeclarations]: Found specification of procedure isEven [2023-11-23 20:13:39,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isEven [2023-11-23 20:13:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:13:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure isOdd [2023-11-23 20:13:39,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isOdd [2023-11-23 20:13:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:13:39,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:13:39,249 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:13:39,252 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:13:39,514 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:13:39,584 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:13:39,587 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:13:39,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:39 BoogieIcfgContainer [2023-11-23 20:13:39,590 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:13:39,597 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:13:39,599 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:13:39,611 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:13:39,612 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:39" (1/1) ... [2023-11-23 20:13:39,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:13:39,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:39,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-11-23 20:13:39,684 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-23 20:13:39,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:13:39,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:39,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:13:39,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:13:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:13:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:13:39,918 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:13:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:13:39,948 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:13:39,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:13:39 ImpRootNode [2023-11-23 20:13:39,987 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:13:39,988 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:13:39,988 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:13:39,989 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:13:39,989 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:39" (3/4) ... [2023-11-23 20:13:39,990 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:13:40,079 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bbcc-1e03-4830-8964-58717e8c0c7f/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:13:40,079 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:13:40,081 INFO L158 Benchmark]: Toolchain (without parser) took 1400.42ms. Allocated memory is still 127.9MB. Free memory was 92.1MB in the beginning and 80.5MB in the end (delta: 11.6MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2023-11-23 20:13:40,084 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:13:40,089 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.01ms. Allocated memory is still 127.9MB. Free memory was 91.8MB in the beginning and 81.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:13:40,090 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.78ms. Allocated memory is still 127.9MB. Free memory was 81.3MB in the beginning and 80.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:13:40,090 INFO L158 Benchmark]: Boogie Preprocessor took 27.76ms. Allocated memory is still 127.9MB. Free memory was 80.0MB in the beginning and 78.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:13:40,091 INFO L158 Benchmark]: RCFGBuilder took 521.40ms. Allocated memory is still 127.9MB. Free memory was 78.9MB in the beginning and 93.8MB in the end (delta: -14.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:13:40,092 INFO L158 Benchmark]: CodeCheck took 390.03ms. Allocated memory is still 127.9MB. Free memory was 93.8MB in the beginning and 82.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:13:40,093 INFO L158 Benchmark]: Witness Printer took 91.07ms. Allocated memory is still 127.9MB. Free memory was 82.2MB in the beginning and 80.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:13:40,096 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 3 procedures, 26 locations, 4 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, 6 NumberOfCodeBlocks, 6 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: 34]: integer overflow possible integer overflow possible We found a FailurePath: [L40] int n = __VERIFIER_nondet_int(); [L41] CALL isEven(n) VAL [\old(n)=-2147483648] [L29] COND FALSE !(n == 0) VAL [\old(n)=-2147483648, n=-2147483648] [L31] COND FALSE !(n == 1) VAL [\old(n)=-2147483648, n=-2147483648] [L34] n - 1 VAL [\old(n)=-2147483648, n=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.01ms. Allocated memory is still 127.9MB. Free memory was 91.8MB in the beginning and 81.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.78ms. Allocated memory is still 127.9MB. Free memory was 81.3MB in the beginning and 80.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.76ms. Allocated memory is still 127.9MB. Free memory was 80.0MB in the beginning and 78.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 521.40ms. Allocated memory is still 127.9MB. Free memory was 78.9MB in the beginning and 93.8MB in the end (delta: -14.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 390.03ms. Allocated memory is still 127.9MB. Free memory was 93.8MB in the beginning and 82.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 91.07ms. Allocated memory is still 127.9MB. Free memory was 82.2MB in the beginning and 80.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 20:13:40,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2506bbcc-1e03-4830-8964-58717e8c0c7f/bin/ukojak-verify-1t5iHCbJaC/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)