./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Bangalore-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebdaa73-903d-4440-9efc-6d20064f09bc/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebdaa73-903d-4440-9efc-6d20064f09bc/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebdaa73-903d-4440-9efc-6d20064f09bc/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebdaa73-903d-4440-9efc-6d20064f09bc/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Bangalore-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebdaa73-903d-4440-9efc-6d20064f09bc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebdaa73-903d-4440-9efc-6d20064f09bc/bin/ukojak-verify-ImItNfHLgk --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 585a87eac0db224d6850b5fe200672451f9df145ad1a34b890f17beb951ec393 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:47:30,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:47:30,774 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebdaa73-903d-4440-9efc-6d20064f09bc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 19:47:30,780 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:47:30,783 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:47:30,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:47:30,838 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:47:30,839 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:47:30,840 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:47:30,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:47:30,841 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:47:30,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:47:30,843 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:47:30,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:47:30,848 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:47:30,848 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:47:30,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:47:30,849 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:47:30,849 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:47:30,850 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:47:30,850 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:47:30,851 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:47:30,852 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:47:30,852 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:47:30,853 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:47:30,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:47:30,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:47:30,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:47:30,855 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:47:30,855 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:47:30,856 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:47:30,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:47:30,857 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_9ebdaa73-903d-4440-9efc-6d20064f09bc/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebdaa73-903d-4440-9efc-6d20064f09bc/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 585a87eac0db224d6850b5fe200672451f9df145ad1a34b890f17beb951ec393 [2024-11-08 19:47:31,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:47:31,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:47:31,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:47:31,262 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:47:31,263 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:47:31,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebdaa73-903d-4440-9efc-6d20064f09bc/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-crafted/Bangalore-1.c Unable to find full path for "g++" [2024-11-08 19:47:33,520 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:47:33,767 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:47:33,767 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebdaa73-903d-4440-9efc-6d20064f09bc/sv-benchmarks/c/termination-crafted/Bangalore-1.c [2024-11-08 19:47:33,775 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebdaa73-903d-4440-9efc-6d20064f09bc/bin/ukojak-verify-ImItNfHLgk/data/7354804b1/8f2f59dce4644a37bc0e03b57dedda83/FLAGf5647b9ce [2024-11-08 19:47:34,106 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebdaa73-903d-4440-9efc-6d20064f09bc/bin/ukojak-verify-ImItNfHLgk/data/7354804b1/8f2f59dce4644a37bc0e03b57dedda83 [2024-11-08 19:47:34,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:47:34,110 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:47:34,112 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:47:34,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:47:34,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:47:34,120 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:47:34" (1/1) ... [2024-11-08 19:47:34,121 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c43f528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:47:34, skipping insertion in model container [2024-11-08 19:47:34,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:47:34" (1/1) ... [2024-11-08 19:47:34,147 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:47:34,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:47:34,321 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:47:34,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:47:34,344 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:47:34,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:47:34 WrapperNode [2024-11-08 19:47:34,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:47:34,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:47:34,345 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:47:34,346 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:47:34,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:47:34" (1/1) ... [2024-11-08 19:47:34,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:47:34" (1/1) ... [2024-11-08 19:47:34,367 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2024-11-08 19:47:34,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:47:34,369 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:47:34,369 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:47:34,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:47:34,378 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:47:34" (1/1) ... [2024-11-08 19:47:34,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:47:34" (1/1) ... [2024-11-08 19:47:34,379 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:47:34" (1/1) ... [2024-11-08 19:47:34,379 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:47:34" (1/1) ... [2024-11-08 19:47:34,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:47:34" (1/1) ... [2024-11-08 19:47:34,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:47:34" (1/1) ... [2024-11-08 19:47:34,388 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:47:34" (1/1) ... [2024-11-08 19:47:34,389 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:47:34" (1/1) ... [2024-11-08 19:47:34,390 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:47:34,391 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:47:34,391 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:47:34,391 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:47:34,392 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:47:34" (1/1) ... [2024-11-08 19:47:34,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:47:34,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebdaa73-903d-4440-9efc-6d20064f09bc/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:47:34,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebdaa73-903d-4440-9efc-6d20064f09bc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:47:34,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebdaa73-903d-4440-9efc-6d20064f09bc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:47:34,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:47:34,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:47:34,524 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:47:34,525 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:47:34,613 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-08 19:47:34,614 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:47:34,634 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:47:34,635 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:47:34,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:47:34 BoogieIcfgContainer [2024-11-08 19:47:34,637 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:47:34,638 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:47:34,638 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:47:34,647 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:47:34,647 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:47:34" (1/1) ... [2024-11-08 19:47:34,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:47:34,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:47:34,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-11-08 19:47:34,712 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-11-08 19:47:34,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 19:47:34,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:47:34,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:47:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:47:34,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:47:35,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:47:35,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-11-08 19:47:35,088 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-11-08 19:47:35,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:47:35,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:47:35,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:47:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:47:35,113 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:47:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:47:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:47:35,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:47:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:47:35,161 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 19:47:35,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:47:35 ImpRootNode [2024-11-08 19:47:35,184 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:47:35,184 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:47:35,184 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:47:35,185 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:47:35,185 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:47:34" (3/4) ... [2024-11-08 19:47:35,186 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 19:47:35,225 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebdaa73-903d-4440-9efc-6d20064f09bc/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 19:47:35,225 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:47:35,226 INFO L158 Benchmark]: Toolchain (without parser) took 1115.43ms. Allocated memory is still 157.3MB. Free memory was 123.2MB in the beginning and 80.6MB in the end (delta: 42.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-08 19:47:35,227 INFO L158 Benchmark]: CDTParser took 23.16ms. Allocated memory is still 119.5MB. Free memory was 63.2MB in the beginning and 85.2MB in the end (delta: -22.0MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-11-08 19:47:35,227 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.65ms. Allocated memory is still 157.3MB. Free memory was 122.5MB in the beginning and 111.3MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 19:47:35,228 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.70ms. Allocated memory is still 157.3MB. Free memory was 111.3MB in the beginning and 109.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:47:35,228 INFO L158 Benchmark]: Boogie Preprocessor took 21.83ms. Allocated memory is still 157.3MB. Free memory was 109.9MB in the beginning and 109.2MB in the end (delta: 689.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:47:35,229 INFO L158 Benchmark]: RCFGBuilder took 246.36ms. Allocated memory is still 157.3MB. Free memory was 109.2MB in the beginning and 99.1MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 19:47:35,230 INFO L158 Benchmark]: CodeCheck took 545.55ms. Allocated memory is still 157.3MB. Free memory was 99.1MB in the beginning and 82.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 19:47:35,230 INFO L158 Benchmark]: Witness Printer took 40.92ms. Allocated memory is still 157.3MB. Free memory was 82.0MB in the beginning and 80.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:47:35,234 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, 10 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 4 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 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: 19]: integer overflow possible integer overflow possible We found a FailurePath: [L13] int x; [L14] int y; [L15] x = __VERIFIER_nondet_int() [L16] y = __VERIFIER_nondet_int() [L17] COND TRUE y < 1 VAL [x=0, y=-2147483648] [L18] COND FALSE !(x >= 0) VAL [x=0, y=-2147483648] [L18] COND TRUE x >= 0 VAL [x=0, y=-2147483648] [L19] x - y * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 23.16ms. Allocated memory is still 119.5MB. Free memory was 63.2MB in the beginning and 85.2MB in the end (delta: -22.0MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.65ms. Allocated memory is still 157.3MB. Free memory was 122.5MB in the beginning and 111.3MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.70ms. Allocated memory is still 157.3MB. Free memory was 111.3MB in the beginning and 109.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.83ms. Allocated memory is still 157.3MB. Free memory was 109.9MB in the beginning and 109.2MB in the end (delta: 689.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 246.36ms. Allocated memory is still 157.3MB. Free memory was 109.2MB in the beginning and 99.1MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 545.55ms. Allocated memory is still 157.3MB. Free memory was 99.1MB in the beginning and 82.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 40.92ms. Allocated memory is still 157.3MB. Free memory was 82.0MB in the beginning and 80.6MB 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! [2024-11-08 19:47:35,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ebdaa73-903d-4440-9efc-6d20064f09bc/bin/ukojak-verify-ImItNfHLgk/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)