./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_5b25f93e-6924-42cb-a50b-ea4c4e1a4de2/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b25f93e-6924-42cb-a50b-ea4c4e1a4de2/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b25f93e-6924-42cb-a50b-ea4c4e1a4de2/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b25f93e-6924-42cb-a50b-ea4c4e1a4de2/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b25f93e-6924-42cb-a50b-ea4c4e1a4de2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b25f93e-6924-42cb-a50b-ea4c4e1a4de2/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2205701c87619eed0a8a76ebf684289d4e97e42556aa5e531d0e97f394ad4619 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:06:26,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:06:26,633 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b25f93e-6924-42cb-a50b-ea4c4e1a4de2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:06:26,645 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:06:26,646 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:06:26,686 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:06:26,689 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:06:26,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:06:26,691 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:06:26,696 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:06:26,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:06:26,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:06:26,699 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:06:26,700 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:06:26,702 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:06:26,702 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:06:26,703 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:06:26,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:06:26,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:06:26,704 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:06:26,704 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:06:26,705 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:06:26,705 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:06:26,706 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:06:26,707 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:06:26,707 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:06:26,708 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:06:26,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:06:26,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:26,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:06:26,710 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:06:26,711 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:06:26,711 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:06:26,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:06:26,711 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:06:26,712 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_5b25f93e-6924-42cb-a50b-ea4c4e1a4de2/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b25f93e-6924-42cb-a50b-ea4c4e1a4de2/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2205701c87619eed0a8a76ebf684289d4e97e42556aa5e531d0e97f394ad4619 [2023-11-24 23:06:27,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:06:27,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:06:27,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:06:27,097 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:06:27,098 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:06:27,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b25f93e-6924-42cb-a50b-ea4c4e1a4de2/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound1.c [2023-11-24 23:06:30,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:06:30,314 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:06:30,315 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b25f93e-6924-42cb-a50b-ea4c4e1a4de2/sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound1.c [2023-11-24 23:06:30,323 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b25f93e-6924-42cb-a50b-ea4c4e1a4de2/bin/ukojak-verify-afCqCEvfdi/data/84f208fc3/8149695db34c4772b22b0265fd4217a0/FLAG819692f71 [2023-11-24 23:06:30,335 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b25f93e-6924-42cb-a50b-ea4c4e1a4de2/bin/ukojak-verify-afCqCEvfdi/data/84f208fc3/8149695db34c4772b22b0265fd4217a0 [2023-11-24 23:06:30,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:06:30,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:06:30,341 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:30,342 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:06:30,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:06:30,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:30" (1/1) ... [2023-11-24 23:06:30,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f36eaa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:30, skipping insertion in model container [2023-11-24 23:06:30,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:30" (1/1) ... [2023-11-24 23:06:30,373 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:06:30,556 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:30,565 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:06:30,583 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:30,595 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:06:30,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:30 WrapperNode [2023-11-24 23:06:30,596 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:30,597 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:30,597 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:06:30,597 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:06:30,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:30" (1/1) ... [2023-11-24 23:06:30,614 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:30" (1/1) ... [2023-11-24 23:06:30,641 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2023-11-24 23:06:30,641 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:30,642 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:06:30,642 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:06:30,643 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:06:30,652 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:30" (1/1) ... [2023-11-24 23:06:30,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:30" (1/1) ... [2023-11-24 23:06:30,654 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:30" (1/1) ... [2023-11-24 23:06:30,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:30" (1/1) ... [2023-11-24 23:06:30,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:30" (1/1) ... [2023-11-24 23:06:30,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:30" (1/1) ... [2023-11-24 23:06:30,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:30" (1/1) ... [2023-11-24 23:06:30,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:30" (1/1) ... [2023-11-24 23:06:30,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:06:30,670 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:06:30,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:06:30,671 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:06:30,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:30" (1/1) ... [2023-11-24 23:06:30,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:30,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b25f93e-6924-42cb-a50b-ea4c4e1a4de2/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:06:30,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b25f93e-6924-42cb-a50b-ea4c4e1a4de2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:06:30,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b25f93e-6924-42cb-a50b-ea4c4e1a4de2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:06:30,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:06:30,756 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:06:30,756 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:06:30,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:06:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:06:30,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:06:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:06:30,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:06:30,853 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:06:30,856 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:06:31,110 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:06:31,167 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:06:31,171 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:06:31,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:31 BoogieIcfgContainer [2023-11-24 23:06:31,173 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:06:31,174 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:06:31,174 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:06:31,214 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:06:31,214 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:31" (1/1) ... [2023-11-24 23:06:31,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:06:31,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:31,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2023-11-24 23:06:31,308 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2023-11-24 23:06:31,314 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:06:31,315 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2023-11-24 23:06:31,323 INFO L751 CodeCheckObserver]: All specifications hold We were not able to verify any specification because the program does not contain any specification. [2023-11-24 23:06:31,357 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:06:31,362 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:06:31,363 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:06:31,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:06:31 ImpRootNode [2023-11-24 23:06:31,363 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:06:31,364 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:06:31,365 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:06:31,365 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:06:31,366 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:31" (3/4) ... [2023-11-24 23:06:31,368 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:06:31,373 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-24 23:06:31,373 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-24 23:06:31,379 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-24 23:06:31,380 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-24 23:06:31,380 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 23:06:31,381 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:06:31,489 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b25f93e-6924-42cb-a50b-ea4c4e1a4de2/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:06:31,490 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b25f93e-6924-42cb-a50b-ea4c4e1a4de2/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:06:31,490 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:06:31,491 INFO L158 Benchmark]: Toolchain (without parser) took 1151.13ms. Allocated memory was 119.5MB in the beginning and 169.9MB in the end (delta: 50.3MB). Free memory was 74.0MB in the beginning and 134.2MB in the end (delta: -60.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:06:31,492 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 119.5MB. Free memory is still 92.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:06:31,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.65ms. Allocated memory is still 119.5MB. Free memory was 74.0MB in the beginning and 63.1MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:06:31,493 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.52ms. Allocated memory is still 119.5MB. Free memory was 63.1MB in the beginning and 61.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:06:31,494 INFO L158 Benchmark]: Boogie Preprocessor took 27.61ms. Allocated memory is still 119.5MB. Free memory was 61.6MB in the beginning and 60.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:06:31,494 INFO L158 Benchmark]: RCFGBuilder took 502.49ms. Allocated memory is still 119.5MB. Free memory was 60.1MB in the beginning and 46.7MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:06:31,495 INFO L158 Benchmark]: CodeCheck took 189.66ms. Allocated memory was 119.5MB in the beginning and 169.9MB in the end (delta: 50.3MB). Free memory was 46.7MB in the beginning and 138.4MB in the end (delta: -91.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:06:31,496 INFO L158 Benchmark]: Witness Printer took 126.01ms. Allocated memory is still 169.9MB. Free memory was 138.4MB in the beginning and 134.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:06:31,498 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, 23 locations, 0 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, 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: No data available, 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 - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 119.5MB. Free memory is still 92.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.65ms. Allocated memory is still 119.5MB. Free memory was 74.0MB in the beginning and 63.1MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.52ms. Allocated memory is still 119.5MB. Free memory was 63.1MB in the beginning and 61.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.61ms. Allocated memory is still 119.5MB. Free memory was 61.6MB in the beginning and 60.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 502.49ms. Allocated memory is still 119.5MB. Free memory was 60.1MB in the beginning and 46.7MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 189.66ms. Allocated memory was 119.5MB in the beginning and 169.9MB in the end (delta: 50.3MB). Free memory was 46.7MB in the beginning and 138.4MB in the end (delta: -91.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 126.01ms. Allocated memory is still 169.9MB. Free memory was 138.4MB in the beginning and 134.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:06:31,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b25f93e-6924-42cb-a50b-ea4c4e1a4de2/bin/ukojak-verify-afCqCEvfdi/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 Result: TRUE