./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.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_4339f080-7784-48f2-afa7-29b9b2d1bee2/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4339f080-7784-48f2-afa7-29b9b2d1bee2/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_4339f080-7784-48f2-afa7-29b9b2d1bee2/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4339f080-7784-48f2-afa7-29b9b2d1bee2/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4339f080-7784-48f2-afa7-29b9b2d1bee2/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_4339f080-7784-48f2-afa7-29b9b2d1bee2/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 cc91ced7bcccf661129c3f4bf0d427a9a72d34c82f3ff7a23345948320ae0e49 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:10:44,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:10:44,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4339f080-7784-48f2-afa7-29b9b2d1bee2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:10:44,593 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:10:44,594 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:10:44,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:10:44,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:10:44,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:10:44,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:10:44,636 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:10:44,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:10:44,638 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:10:44,638 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:10:44,640 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:10:44,641 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:10:44,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:10:44,641 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:10:44,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:10:44,642 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:10:44,643 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:10:44,643 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:10:44,644 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:10:44,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:10:44,645 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:10:44,645 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:10:44,646 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:10:44,646 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:10:44,647 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:10:44,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:44,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:10:44,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:10:44,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:10:44,650 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:10:44,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:10:44,650 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:10:44,650 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_4339f080-7784-48f2-afa7-29b9b2d1bee2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4339f080-7784-48f2-afa7-29b9b2d1bee2/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc91ced7bcccf661129c3f4bf0d427a9a72d34c82f3ff7a23345948320ae0e49 [2023-11-24 22:10:44,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:10:44,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:10:44,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:10:44,972 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:10:44,973 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:10:44,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4339f080-7784-48f2-afa7-29b9b2d1bee2/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.c [2023-11-24 22:10:48,143 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:10:48,381 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:10:48,382 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4339f080-7784-48f2-afa7-29b9b2d1bee2/sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.c [2023-11-24 22:10:48,391 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4339f080-7784-48f2-afa7-29b9b2d1bee2/bin/ukojak-verify-afCqCEvfdi/data/115480c3f/40c1f126c6004ecf85568e7221a1df8f/FLAGa33847b18 [2023-11-24 22:10:48,415 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4339f080-7784-48f2-afa7-29b9b2d1bee2/bin/ukojak-verify-afCqCEvfdi/data/115480c3f/40c1f126c6004ecf85568e7221a1df8f [2023-11-24 22:10:48,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:10:48,423 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:10:48,429 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:48,430 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:10:48,436 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:10:48,437 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:48" (1/1) ... [2023-11-24 22:10:48,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71a7db8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:48, skipping insertion in model container [2023-11-24 22:10:48,439 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:48" (1/1) ... [2023-11-24 22:10:48,467 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:10:48,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:48,696 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:10:48,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:48,730 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:10:48,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:48 WrapperNode [2023-11-24 22:10:48,731 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:48,732 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:48,733 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:10:48,733 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:10:48,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:48" (1/1) ... [2023-11-24 22:10:48,749 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:48" (1/1) ... [2023-11-24 22:10:48,775 INFO L138 Inliner]: procedures = 15, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2023-11-24 22:10:48,775 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:48,776 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:10:48,777 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:10:48,777 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:10:48,786 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:48" (1/1) ... [2023-11-24 22:10:48,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:48" (1/1) ... [2023-11-24 22:10:48,788 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:48" (1/1) ... [2023-11-24 22:10:48,789 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:48" (1/1) ... [2023-11-24 22:10:48,794 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:48" (1/1) ... [2023-11-24 22:10:48,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:48" (1/1) ... [2023-11-24 22:10:48,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:48" (1/1) ... [2023-11-24 22:10:48,809 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:48" (1/1) ... [2023-11-24 22:10:48,812 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:10:48,813 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:10:48,816 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:10:48,816 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:10:48,817 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:48" (1/1) ... [2023-11-24 22:10:48,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:48,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4339f080-7784-48f2-afa7-29b9b2d1bee2/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:10:48,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4339f080-7784-48f2-afa7-29b9b2d1bee2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:10:48,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4339f080-7784-48f2-afa7-29b9b2d1bee2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:10:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:10:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:10:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:10:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:10:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_16_to_18_0 [2023-11-24 22:10:48,917 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_16_to_18_0 [2023-11-24 22:10:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:10:48,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:10:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:10:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:10:49,016 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:10:49,019 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:10:49,150 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:10:49,208 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:10:49,209 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:10:49,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:49 BoogieIcfgContainer [2023-11-24 22:10:49,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:10:49,212 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:10:49,212 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:10:49,223 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:10:49,223 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:49" (1/1) ... [2023-11-24 22:10:49,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:10:49,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:49,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2023-11-24 22:10:49,304 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2023-11-24 22:10:49,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:10:49,310 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2023-11-24 22:10:49,317 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 22:10:49,338 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:10:49,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:10:49 ImpRootNode [2023-11-24 22:10:49,342 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:10:49,343 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:10:49,343 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:10:49,343 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:10:49,344 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:49" (3/4) ... [2023-11-24 22:10:49,346 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:10:49,350 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_16_to_18_0 [2023-11-24 22:10:49,357 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-24 22:10:49,359 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-24 22:10:49,360 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 22:10:49,362 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:10:49,362 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:10:49,460 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4339f080-7784-48f2-afa7-29b9b2d1bee2/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:10:49,461 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4339f080-7784-48f2-afa7-29b9b2d1bee2/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:10:49,461 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:10:49,462 INFO L158 Benchmark]: Toolchain (without parser) took 1038.49ms. Allocated memory is still 153.1MB. Free memory was 108.8MB in the beginning and 73.2MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-24 22:10:49,462 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:10:49,463 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.13ms. Allocated memory is still 153.1MB. Free memory was 108.3MB in the beginning and 98.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 22:10:49,463 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.30ms. Allocated memory is still 153.1MB. Free memory was 98.3MB in the beginning and 96.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:49,464 INFO L158 Benchmark]: Boogie Preprocessor took 36.39ms. Allocated memory is still 153.1MB. Free memory was 96.7MB in the beginning and 95.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:49,464 INFO L158 Benchmark]: RCFGBuilder took 397.43ms. Allocated memory is still 153.1MB. Free memory was 95.7MB in the beginning and 83.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:10:49,465 INFO L158 Benchmark]: CodeCheck took 130.29ms. Allocated memory is still 153.1MB. Free memory was 83.1MB in the beginning and 77.8MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:10:49,465 INFO L158 Benchmark]: Witness Printer took 118.43ms. Allocated memory is still 153.1MB. Free memory was 77.8MB in the beginning and 73.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:10:49,473 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 2 procedures, 9 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: 59]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.13ms. Allocated memory is still 153.1MB. Free memory was 108.3MB in the beginning and 98.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.30ms. Allocated memory is still 153.1MB. Free memory was 98.3MB in the beginning and 96.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.39ms. Allocated memory is still 153.1MB. Free memory was 96.7MB in the beginning and 95.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 397.43ms. Allocated memory is still 153.1MB. Free memory was 95.7MB in the beginning and 83.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 130.29ms. Allocated memory is still 153.1MB. Free memory was 83.1MB in the beginning and 77.8MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 118.43ms. Allocated memory is still 153.1MB. Free memory was 77.8MB in the beginning and 73.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:10:49,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4339f080-7784-48f2-afa7-29b9b2d1bee2/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