./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Benghazi_nondet-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_cb7de47b-dc87-40fa-a58a-b71986be207b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7de47b-dc87-40fa-a58a-b71986be207b/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_cb7de47b-dc87-40fa-a58a-b71986be207b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7de47b-dc87-40fa-a58a-b71986be207b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Benghazi_nondet-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7de47b-dc87-40fa-a58a-b71986be207b/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_cb7de47b-dc87-40fa-a58a-b71986be207b/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 b9c1fb96b371ca40c85c8007d14ad3e1270c8fac9b0bc1bc334ba14077a7910d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:30:04,641 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:30:04,755 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7de47b-dc87-40fa-a58a-b71986be207b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 19:30:04,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:30:04,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:30:04,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:30:04,805 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:30:04,805 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:30:04,806 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:30:04,807 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:30:04,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:30:04,808 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:30:04,808 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:30:04,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:30:04,809 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:30:04,810 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:30:04,810 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:30:04,810 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:30:04,811 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:30:04,811 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:30:04,812 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:30:04,812 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:30:04,813 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:30:04,813 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:30:04,814 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:30:04,814 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:30:04,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:30:04,815 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:30:04,816 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:30:04,816 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:30:04,816 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:30:04,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:30:04,817 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_cb7de47b-dc87-40fa-a58a-b71986be207b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7de47b-dc87-40fa-a58a-b71986be207b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9c1fb96b371ca40c85c8007d14ad3e1270c8fac9b0bc1bc334ba14077a7910d [2024-11-08 19:30:05,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:30:05,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:30:05,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:30:05,206 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:30:05,207 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:30:05,209 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7de47b-dc87-40fa-a58a-b71986be207b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-crafted/Benghazi_nondet-1.c Unable to find full path for "g++" [2024-11-08 19:30:07,445 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:30:07,654 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:30:07,655 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7de47b-dc87-40fa-a58a-b71986be207b/sv-benchmarks/c/termination-crafted/Benghazi_nondet-1.c [2024-11-08 19:30:07,662 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7de47b-dc87-40fa-a58a-b71986be207b/bin/ukojak-verify-ImItNfHLgk/data/ab5b8bd1f/c157f25e466449269d5dfbb4b8605a5f/FLAG3e2f1e919 [2024-11-08 19:30:08,026 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7de47b-dc87-40fa-a58a-b71986be207b/bin/ukojak-verify-ImItNfHLgk/data/ab5b8bd1f/c157f25e466449269d5dfbb4b8605a5f [2024-11-08 19:30:08,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:30:08,031 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:30:08,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:30:08,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:30:08,044 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:30:08,047 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:30:08" (1/1) ... [2024-11-08 19:30:08,048 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12462d97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:08, skipping insertion in model container [2024-11-08 19:30:08,048 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:30:08" (1/1) ... [2024-11-08 19:30:08,066 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:30:08,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:30:08,336 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:30:08,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:30:08,372 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:30:08,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:08 WrapperNode [2024-11-08 19:30:08,373 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:30:08,374 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:30:08,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:30:08,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:30:08,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:08" (1/1) ... [2024-11-08 19:30:08,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:08" (1/1) ... [2024-11-08 19:30:08,409 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2024-11-08 19:30:08,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:30:08,410 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:30:08,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:30:08,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:30:08,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:08" (1/1) ... [2024-11-08 19:30:08,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:08" (1/1) ... [2024-11-08 19:30:08,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:08" (1/1) ... [2024-11-08 19:30:08,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:08" (1/1) ... [2024-11-08 19:30:08,425 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:08" (1/1) ... [2024-11-08 19:30:08,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:08" (1/1) ... [2024-11-08 19:30:08,434 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:08" (1/1) ... [2024-11-08 19:30:08,435 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:08" (1/1) ... [2024-11-08 19:30:08,437 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:30:08,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:30:08,438 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:30:08,438 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:30:08,438 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:30:08" (1/1) ... [2024-11-08 19:30:08,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:30:08,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7de47b-dc87-40fa-a58a-b71986be207b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:30:08,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7de47b-dc87-40fa-a58a-b71986be207b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:30:08,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7de47b-dc87-40fa-a58a-b71986be207b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:30:08,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:30:08,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:30:08,606 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:30:08,609 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:30:08,720 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-08 19:30:08,720 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:30:08,766 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:30:08,768 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:30:08,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:30:08 BoogieIcfgContainer [2024-11-08 19:30:08,770 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:30:08,772 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:30:08,773 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:30:08,784 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:30:08,785 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:30:08" (1/1) ... [2024-11-08 19:30:08,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:30:08,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:30:08,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2024-11-08 19:30:08,859 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2024-11-08 19:30:08,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 19:30:08,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:30:08,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:30:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:30:09,105 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 19:30:09,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:30:09,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-08 19:30:09,184 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-08 19:30:09,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 19:30:09,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:30:09,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:30:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:30:09,198 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:30:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:30:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:30:09,240 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:30:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:30:09,252 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 19:30:09,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:30:09 ImpRootNode [2024-11-08 19:30:09,277 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:30:09,278 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:30:09,278 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:30:09,278 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:30:09,279 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:30:08" (3/4) ... [2024-11-08 19:30:09,280 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 19:30:09,326 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7de47b-dc87-40fa-a58a-b71986be207b/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 19:30:09,326 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:30:09,328 INFO L158 Benchmark]: Toolchain (without parser) took 1295.93ms. Allocated memory is still 161.5MB. Free memory was 124.7MB in the beginning and 81.7MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-08 19:30:09,329 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 161.5MB. Free memory is still 137.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:30:09,330 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.86ms. Allocated memory is still 161.5MB. Free memory was 124.7MB in the beginning and 113.1MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:30:09,331 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.31ms. Allocated memory is still 161.5MB. Free memory was 113.1MB in the beginning and 111.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:30:09,332 INFO L158 Benchmark]: Boogie Preprocessor took 26.41ms. Allocated memory is still 161.5MB. Free memory was 111.6MB in the beginning and 111.1MB in the end (delta: 528.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:30:09,334 INFO L158 Benchmark]: RCFGBuilder took 332.98ms. Allocated memory is still 161.5MB. Free memory was 110.5MB in the beginning and 100.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 19:30:09,336 INFO L158 Benchmark]: CodeCheck took 505.46ms. Allocated memory is still 161.5MB. Free memory was 100.0MB in the beginning and 83.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 19:30:09,336 INFO L158 Benchmark]: Witness Printer took 48.74ms. Allocated memory is still 161.5MB. Free memory was 83.8MB in the beginning and 81.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:30:09,344 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, 17 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 4 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 18]: integer overflow possible integer overflow possible We found a FailurePath: [L13] int x, d1, d2, d1old; [L14] x = __VERIFIER_nondet_int() [L15] d1 = __VERIFIER_nondet_int() [L16] d2 = __VERIFIER_nondet_int() [L17] COND FALSE !(x >= 0) VAL [d1=-1, d2=0, x=2147483647] [L17] COND TRUE x >= 0 VAL [d1=-1, d2=0, x=2147483647] [L18] x - d1 VAL [d2=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 161.5MB. Free memory is still 137.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.86ms. Allocated memory is still 161.5MB. Free memory was 124.7MB in the beginning and 113.1MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.31ms. Allocated memory is still 161.5MB. Free memory was 113.1MB in the beginning and 111.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.41ms. Allocated memory is still 161.5MB. Free memory was 111.6MB in the beginning and 111.1MB in the end (delta: 528.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 332.98ms. Allocated memory is still 161.5MB. Free memory was 110.5MB in the beginning and 100.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 505.46ms. Allocated memory is still 161.5MB. Free memory was 100.0MB in the beginning and 83.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 48.74ms. Allocated memory is still 161.5MB. Free memory was 83.8MB in the beginning and 81.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 19:30:09,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7de47b-dc87-40fa-a58a-b71986be207b/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)