./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_7d52e55a-1561-4fbb-85e6-640cb3c0a98a/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d52e55a-1561-4fbb-85e6-640cb3c0a98a/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_7d52e55a-1561-4fbb-85e6-640cb3c0a98a/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d52e55a-1561-4fbb-85e6-640cb3c0a98a/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d52e55a-1561-4fbb-85e6-640cb3c0a98a/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_7d52e55a-1561-4fbb-85e6-640cb3c0a98a/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 75b979445b16a7d0cbf48464bf7b748fed9f6cd2ca88a888f2b108d83230a494 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:07:47,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:07:47,626 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d52e55a-1561-4fbb-85e6-640cb3c0a98a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:07:47,634 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:07:47,635 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:07:47,674 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:07:47,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:07:47,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:07:47,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:07:47,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:07:47,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:07:47,685 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:07:47,686 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:07:47,687 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:07:47,688 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:07:47,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:07:47,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:07:47,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:07:47,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:07:47,692 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:07:47,692 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:07:47,693 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:07:47,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:07:47,694 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:07:47,695 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:07:47,695 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:07:47,696 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:07:47,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:07:47,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:47,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:07:47,699 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:07:47,699 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:07:47,699 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:07:47,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:07:47,700 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:07:47,700 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_7d52e55a-1561-4fbb-85e6-640cb3c0a98a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d52e55a-1561-4fbb-85e6-640cb3c0a98a/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75b979445b16a7d0cbf48464bf7b748fed9f6cd2ca88a888f2b108d83230a494 [2023-11-23 20:07:47,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:07:47,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:07:47,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:07:47,998 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:07:47,998 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:07:48,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d52e55a-1561-4fbb-85e6-640cb3c0a98a/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2023-11-23 20:07:51,097 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:07:51,291 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:07:51,292 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d52e55a-1561-4fbb-85e6-640cb3c0a98a/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2023-11-23 20:07:51,301 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d52e55a-1561-4fbb-85e6-640cb3c0a98a/bin/ukojak-verify-1t5iHCbJaC/data/78d79d152/d81dc66c604a4f4d8cd2a76a153d2208/FLAG7c72cdd20 [2023-11-23 20:07:51,317 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d52e55a-1561-4fbb-85e6-640cb3c0a98a/bin/ukojak-verify-1t5iHCbJaC/data/78d79d152/d81dc66c604a4f4d8cd2a76a153d2208 [2023-11-23 20:07:51,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:07:51,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:07:51,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:51,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:07:51,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:07:51,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:51" (1/1) ... [2023-11-23 20:07:51,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ce488c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:51, skipping insertion in model container [2023-11-23 20:07:51,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:51" (1/1) ... [2023-11-23 20:07:51,354 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:07:51,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:51,593 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:07:51,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:51,650 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:07:51,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:51 WrapperNode [2023-11-23 20:07:51,651 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:51,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:51,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:07:51,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:07:51,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:51" (1/1) ... [2023-11-23 20:07:51,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:51" (1/1) ... [2023-11-23 20:07:51,700 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2023-11-23 20:07:51,701 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:51,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:07:51,702 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:07:51,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:07:51,712 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:51" (1/1) ... [2023-11-23 20:07:51,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:51" (1/1) ... [2023-11-23 20:07:51,724 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:51" (1/1) ... [2023-11-23 20:07:51,724 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:51" (1/1) ... [2023-11-23 20:07:51,728 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:51" (1/1) ... [2023-11-23 20:07:51,731 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:51" (1/1) ... [2023-11-23 20:07:51,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:51" (1/1) ... [2023-11-23 20:07:51,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:51" (1/1) ... [2023-11-23 20:07:51,735 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:07:51,741 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:07:51,742 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:07:51,742 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:07:51,743 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:51" (1/1) ... [2023-11-23 20:07:51,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:51,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d52e55a-1561-4fbb-85e6-640cb3c0a98a/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:07:51,778 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d52e55a-1561-4fbb-85e6-640cb3c0a98a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:07:51,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d52e55a-1561-4fbb-85e6-640cb3c0a98a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:07:51,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:07:51,830 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:07:51,830 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:07:51,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:07:51,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:07:51,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:07:51,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:07:51,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:07:51,915 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:07:51,917 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:07:52,148 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:07:52,201 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:07:52,202 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:07:52,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:52 BoogieIcfgContainer [2023-11-23 20:07:52,204 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:07:52,205 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:07:52,205 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:07:52,217 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:07:52,218 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:52" (1/1) ... [2023-11-23 20:07:52,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:07:52,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:52,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2023-11-23 20:07:52,292 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2023-11-23 20:07:52,297 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:07:52,298 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2023-11-23 20:07:52,305 INFO L751 CodeCheckObserver]: All specifications hold We were not able to verify any specification because the program does not contain any specification. [2023-11-23 20:07:52,333 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:07:52,338 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:07:52,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:07:52 ImpRootNode [2023-11-23 20:07:52,339 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:07:52,340 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:07:52,340 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:07:52,340 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:07:52,341 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:52" (3/4) ... [2023-11-23 20:07:52,343 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:07:52,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-23 20:07:52,348 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 20:07:52,355 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-23 20:07:52,355 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-23 20:07:52,356 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 20:07:52,356 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:07:52,357 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:07:52,491 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d52e55a-1561-4fbb-85e6-640cb3c0a98a/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:07:52,491 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d52e55a-1561-4fbb-85e6-640cb3c0a98a/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:07:52,491 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:07:52,492 INFO L158 Benchmark]: Toolchain (without parser) took 1170.19ms. Allocated memory is still 144.7MB. Free memory was 100.9MB in the beginning and 116.1MB in the end (delta: -15.2MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2023-11-23 20:07:52,493 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 115.3MB. Free memory was 85.2MB in the beginning and 85.1MB in the end (delta: 27.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:07:52,493 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.37ms. Allocated memory is still 144.7MB. Free memory was 100.3MB in the beginning and 89.6MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:07:52,494 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.40ms. Allocated memory is still 144.7MB. Free memory was 89.6MB in the beginning and 88.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:07:52,494 INFO L158 Benchmark]: Boogie Preprocessor took 39.03ms. Allocated memory is still 144.7MB. Free memory was 88.3MB in the beginning and 87.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:07:52,494 INFO L158 Benchmark]: RCFGBuilder took 462.86ms. Allocated memory is still 144.7MB. Free memory was 86.8MB in the beginning and 74.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:07:52,495 INFO L158 Benchmark]: CodeCheck took 133.77ms. Allocated memory is still 144.7MB. Free memory was 73.6MB in the beginning and 67.9MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:07:52,495 INFO L158 Benchmark]: Witness Printer took 151.79ms. Allocated memory is still 144.7MB. Free memory was 67.9MB in the beginning and 116.1MB in the end (delta: -48.2MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2023-11-23 20:07:52,498 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, 19 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: 37]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 115.3MB. Free memory was 85.2MB in the beginning and 85.1MB in the end (delta: 27.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.37ms. Allocated memory is still 144.7MB. Free memory was 100.3MB in the beginning and 89.6MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.40ms. Allocated memory is still 144.7MB. Free memory was 89.6MB in the beginning and 88.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.03ms. Allocated memory is still 144.7MB. Free memory was 88.3MB in the beginning and 87.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 462.86ms. Allocated memory is still 144.7MB. Free memory was 86.8MB in the beginning and 74.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 133.77ms. Allocated memory is still 144.7MB. Free memory was 73.6MB in the beginning and 67.9MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 151.79ms. Allocated memory is still 144.7MB. Free memory was 67.9MB in the beginning and 116.1MB in the end (delta: -48.2MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:07:52,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d52e55a-1561-4fbb-85e6-640cb3c0a98a/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 Result: TRUE