./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_loop-invariants/recursified_odd.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda22e03-8880-4815-bdd2-6bb0db503522/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda22e03-8880-4815-bdd2-6bb0db503522/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda22e03-8880-4815-bdd2-6bb0db503522/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda22e03-8880-4815-bdd2-6bb0db503522/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_loop-invariants/recursified_odd.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda22e03-8880-4815-bdd2-6bb0db503522/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda22e03-8880-4815-bdd2-6bb0db503522/bin/ukojak-verify-i0I2FZA1j2 --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 ffea1692e410b7d3050e071f36dd949061a309155c1ef5932cf0b967218f65ca --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:28:12,364 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:28:12,437 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda22e03-8880-4815-bdd2-6bb0db503522/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:28:12,443 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:28:12,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:28:12,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:28:12,470 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:28:12,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:28:12,471 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:28:12,472 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:28:12,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:28:12,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:28:12,474 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:28:12,475 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:28:12,475 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:28:12,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:28:12,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:28:12,477 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:28:12,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:28:12,478 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:28:12,479 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:28:12,484 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:28:12,485 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:28:12,486 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:28:12,487 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:28:12,487 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:28:12,488 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:28:12,489 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:28:12,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:12,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:28:12,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:28:12,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:28:12,492 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:28:12,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:28:12,492 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:28:12,493 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_cda22e03-8880-4815-bdd2-6bb0db503522/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda22e03-8880-4815-bdd2-6bb0db503522/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffea1692e410b7d3050e071f36dd949061a309155c1ef5932cf0b967218f65ca [2023-11-21 18:28:12,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:28:12,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:28:12,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:28:12,811 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:28:12,811 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:28:12,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda22e03-8880-4815-bdd2-6bb0db503522/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/recursified_loop-invariants/recursified_odd.c [2023-11-21 18:28:16,014 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:28:16,208 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:28:16,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda22e03-8880-4815-bdd2-6bb0db503522/sv-benchmarks/c/recursified_loop-invariants/recursified_odd.c [2023-11-21 18:28:16,215 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda22e03-8880-4815-bdd2-6bb0db503522/bin/ukojak-verify-i0I2FZA1j2/data/c70c11eed/03afe91663174b51bfd1f216e64ee4d8/FLAG9308fe6d6 [2023-11-21 18:28:16,231 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda22e03-8880-4815-bdd2-6bb0db503522/bin/ukojak-verify-i0I2FZA1j2/data/c70c11eed/03afe91663174b51bfd1f216e64ee4d8 [2023-11-21 18:28:16,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:28:16,236 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:28:16,238 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:16,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:28:16,244 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:28:16,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,246 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50ffb5e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16, skipping insertion in model container [2023-11-21 18:28:16,246 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,278 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:28:16,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:16,454 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:28:16,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:16,484 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:28:16,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16 WrapperNode [2023-11-21 18:28:16,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:16,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:16,487 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:28:16,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:28:16,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,506 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,530 INFO L138 Inliner]: procedures = 15, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 34 [2023-11-21 18:28:16,531 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:16,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:28:16,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:28:16,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:28:16,539 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,541 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,541 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,548 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,550 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,552 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:28:16,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:28:16,555 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:28:16,555 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:28:16,558 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:16,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda22e03-8880-4815-bdd2-6bb0db503522/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:28:16,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda22e03-8880-4815-bdd2-6bb0db503522/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:28:16,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda22e03-8880-4815-bdd2-6bb0db503522/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:28:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:28:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_13_to_14_0 [2023-11-21 18:28:16,624 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_13_to_14_0 [2023-11-21 18:28:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:28:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:28:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:28:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:28:16,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:28:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:28:16,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:28:16,708 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:28:16,709 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:28:16,862 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:28:16,910 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:28:16,910 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:28:16,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:16 BoogieIcfgContainer [2023-11-21 18:28:16,912 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:28:16,913 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:28:16,914 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:28:16,925 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:28:16,925 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:28:16,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:16,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2023-11-21 18:28:16,997 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2023-11-21 18:28:17,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:28:17,001 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2023-11-21 18:28:17,008 INFO L751 CodeCheckObserver]: All specifications hold We were not able to verify any specification because the program does not contain any specification. [2023-11-21 18:28:17,029 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:28:17,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:28:17 ImpRootNode [2023-11-21 18:28:17,035 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:28:17,035 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:28:17,035 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:28:17,036 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:28:17,036 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:16" (3/4) ... [2023-11-21 18:28:17,039 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:28:17,043 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_13_to_14_0 [2023-11-21 18:28:17,061 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-21 18:28:17,061 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-21 18:28:17,061 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 18:28:17,062 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:28:17,062 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:28:17,209 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda22e03-8880-4815-bdd2-6bb0db503522/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:28:17,210 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda22e03-8880-4815-bdd2-6bb0db503522/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:28:17,210 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:28:17,211 INFO L158 Benchmark]: Toolchain (without parser) took 974.55ms. Allocated memory is still 144.7MB. Free memory was 105.8MB in the beginning and 71.3MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-21 18:28:17,211 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 102.8MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:28:17,212 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.74ms. Allocated memory is still 144.7MB. Free memory was 105.8MB in the beginning and 95.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:28:17,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.22ms. Allocated memory is still 144.7MB. Free memory was 95.9MB in the beginning and 94.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:28:17,213 INFO L158 Benchmark]: Boogie Preprocessor took 22.43ms. Allocated memory is still 144.7MB. Free memory was 94.3MB in the beginning and 93.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:28:17,214 INFO L158 Benchmark]: RCFGBuilder took 357.98ms. Allocated memory is still 144.7MB. Free memory was 93.3MB in the beginning and 81.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:28:17,214 INFO L158 Benchmark]: CodeCheck took 121.19ms. Allocated memory is still 144.7MB. Free memory was 81.2MB in the beginning and 75.8MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:28:17,215 INFO L158 Benchmark]: Witness Printer took 174.73ms. Allocated memory is still 144.7MB. Free memory was 75.8MB in the beginning and 71.3MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:28:17,224 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: 55]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 102.8MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.74ms. Allocated memory is still 144.7MB. Free memory was 105.8MB in the beginning and 95.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.22ms. Allocated memory is still 144.7MB. Free memory was 95.9MB in the beginning and 94.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.43ms. Allocated memory is still 144.7MB. Free memory was 94.3MB in the beginning and 93.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 357.98ms. Allocated memory is still 144.7MB. Free memory was 93.3MB in the beginning and 81.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 121.19ms. Allocated memory is still 144.7MB. Free memory was 81.2MB in the beginning and 75.8MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 174.73ms. Allocated memory is still 144.7MB. Free memory was 75.8MB in the beginning and 71.3MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:28:17,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda22e03-8880-4815-bdd2-6bb0db503522/bin/ukojak-verify-i0I2FZA1j2/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