./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_divbin2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_fc352e3e-e235-4cb9-81f8-3d2b34bcd5a0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc352e3e-e235-4cb9-81f8-3d2b34bcd5a0/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc352e3e-e235-4cb9-81f8-3d2b34bcd5a0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc352e3e-e235-4cb9-81f8-3d2b34bcd5a0/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_divbin2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc352e3e-e235-4cb9-81f8-3d2b34bcd5a0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc352e3e-e235-4cb9-81f8-3d2b34bcd5a0/bin/ukojak-verify-G8NBE6pJGL --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 07d2bb25a1c8c4ef92611e8b25e211f661495bf054d1380ec62ffea892b45c2f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:50:41,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:50:42,039 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc352e3e-e235-4cb9-81f8-3d2b34bcd5a0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:50:42,044 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:50:42,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:50:42,081 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:50:42,082 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:50:42,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:50:42,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:50:42,089 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:50:42,090 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:50:42,091 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:50:42,091 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:50:42,093 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:50:42,093 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:50:42,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:50:42,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:50:42,096 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:50:42,096 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:50:42,097 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:50:42,097 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:50:42,098 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:50:42,098 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:50:42,099 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:50:42,099 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:50:42,100 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:50:42,100 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:50:42,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:50:42,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:42,102 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:50:42,104 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:50:42,104 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:50:42,104 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:50:42,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:50:42,105 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:50:42,105 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_fc352e3e-e235-4cb9-81f8-3d2b34bcd5a0/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc352e3e-e235-4cb9-81f8-3d2b34bcd5a0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07d2bb25a1c8c4ef92611e8b25e211f661495bf054d1380ec62ffea892b45c2f [2023-11-19 02:50:42,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:50:42,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:50:42,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:50:42,473 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:50:42,474 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:50:42,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc352e3e-e235-4cb9-81f8-3d2b34bcd5a0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursified_nla-digbench/recursified_divbin2.i [2023-11-19 02:50:45,604 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:50:45,855 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:50:45,855 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc352e3e-e235-4cb9-81f8-3d2b34bcd5a0/sv-benchmarks/c/recursified_nla-digbench/recursified_divbin2.i [2023-11-19 02:50:45,864 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc352e3e-e235-4cb9-81f8-3d2b34bcd5a0/bin/ukojak-verify-G8NBE6pJGL/data/88136977b/6d78a2d11175429895724d3706328b0c/FLAG27f600d27 [2023-11-19 02:50:45,881 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc352e3e-e235-4cb9-81f8-3d2b34bcd5a0/bin/ukojak-verify-G8NBE6pJGL/data/88136977b/6d78a2d11175429895724d3706328b0c [2023-11-19 02:50:45,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:50:45,889 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:50:45,894 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:45,894 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:50:45,900 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:50:45,903 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:45" (1/1) ... [2023-11-19 02:50:45,904 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4af8b546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:45, skipping insertion in model container [2023-11-19 02:50:45,904 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:45" (1/1) ... [2023-11-19 02:50:45,935 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:50:46,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:46,172 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:50:46,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:46,212 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:50:46,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:46 WrapperNode [2023-11-19 02:50:46,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:46,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:46,215 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:50:46,215 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:50:46,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:46" (1/1) ... [2023-11-19 02:50:46,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:46" (1/1) ... [2023-11-19 02:50:46,253 INFO L138 Inliner]: procedures = 19, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2023-11-19 02:50:46,253 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:46,254 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:50:46,254 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:50:46,254 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:50:46,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:46" (1/1) ... [2023-11-19 02:50:46,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:46" (1/1) ... [2023-11-19 02:50:46,267 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:46" (1/1) ... [2023-11-19 02:50:46,268 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:46" (1/1) ... [2023-11-19 02:50:46,274 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:46" (1/1) ... [2023-11-19 02:50:46,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:46" (1/1) ... [2023-11-19 02:50:46,278 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:46" (1/1) ... [2023-11-19 02:50:46,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:46" (1/1) ... [2023-11-19 02:50:46,283 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:50:46,284 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:50:46,284 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:50:46,284 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:50:46,285 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:46" (1/1) ... [2023-11-19 02:50:46,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:46,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc352e3e-e235-4cb9-81f8-3d2b34bcd5a0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:50:46,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc352e3e-e235-4cb9-81f8-3d2b34bcd5a0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:50:46,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc352e3e-e235-4cb9-81f8-3d2b34bcd5a0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:50:46,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:50:46,368 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_35_0 [2023-11-19 02:50:46,368 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_35_0 [2023-11-19 02:50:46,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:50:46,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:50:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:50:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_37_to_44_0 [2023-11-19 02:50:46,371 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_37_to_44_0 [2023-11-19 02:50:46,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:50:46,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:50:46,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:50:46,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:50:46,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:50:46,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:50:46,489 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:50:46,492 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:50:46,819 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:50:46,883 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:50:46,884 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:50:46,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:46 BoogieIcfgContainer [2023-11-19 02:50:46,895 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:50:46,897 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:50:46,897 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:50:46,909 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:50:46,909 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:46" (1/1) ... [2023-11-19 02:50:46,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:50:46,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:47,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2023-11-19 02:50:47,006 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-11-19 02:50:47,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:50:47,011 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2023-11-19 02:50:47,021 INFO L751 CodeCheckObserver]: All specifications hold We were not able to verify any specification because the program does not contain any specification. [2023-11-19 02:50:47,074 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:50:47,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:50:47 ImpRootNode [2023-11-19 02:50:47,079 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:50:47,082 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:50:47,083 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:50:47,083 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:50:47,084 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:46" (3/4) ... [2023-11-19 02:50:47,086 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:50:47,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_37_to_44_0 [2023-11-19 02:50:47,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_33_to_35_0 [2023-11-19 02:50:47,091 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 02:50:47,097 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-19 02:50:47,101 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 02:50:47,102 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 02:50:47,102 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:50:47,266 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc352e3e-e235-4cb9-81f8-3d2b34bcd5a0/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:50:47,266 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc352e3e-e235-4cb9-81f8-3d2b34bcd5a0/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:50:47,266 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:50:47,267 INFO L158 Benchmark]: Toolchain (without parser) took 1378.04ms. Allocated memory is still 180.4MB. Free memory was 142.8MB in the beginning and 147.1MB in the end (delta: -4.3MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2023-11-19 02:50:47,267 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory was 66.6MB in the beginning and 66.5MB in the end (delta: 119.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:50:47,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.76ms. Allocated memory is still 180.4MB. Free memory was 142.3MB in the beginning and 131.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:50:47,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.88ms. Allocated memory is still 180.4MB. Free memory was 131.3MB in the beginning and 129.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:50:47,268 INFO L158 Benchmark]: Boogie Preprocessor took 29.06ms. Allocated memory is still 180.4MB. Free memory was 129.7MB in the beginning and 128.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:50:47,269 INFO L158 Benchmark]: RCFGBuilder took 612.62ms. Allocated memory is still 180.4MB. Free memory was 128.1MB in the beginning and 109.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 02:50:47,270 INFO L158 Benchmark]: CodeCheck took 182.31ms. Allocated memory is still 180.4MB. Free memory was 109.2MB in the beginning and 103.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 02:50:47,270 INFO L158 Benchmark]: Witness Printer took 184.43ms. Allocated memory is still 180.4MB. Free memory was 103.0MB in the beginning and 147.1MB in the end (delta: -44.2MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-11-19 02:50:47,272 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 4 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: 129]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory was 66.6MB in the beginning and 66.5MB in the end (delta: 119.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.76ms. Allocated memory is still 180.4MB. Free memory was 142.3MB in the beginning and 131.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.88ms. Allocated memory is still 180.4MB. Free memory was 131.3MB in the beginning and 129.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.06ms. Allocated memory is still 180.4MB. Free memory was 129.7MB in the beginning and 128.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 612.62ms. Allocated memory is still 180.4MB. Free memory was 128.1MB in the beginning and 109.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 182.31ms. Allocated memory is still 180.4MB. Free memory was 109.2MB in the beginning and 103.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 184.43ms. Allocated memory is still 180.4MB. Free memory was 103.0MB in the beginning and 147.1MB in the end (delta: -44.2MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 02:50:47,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc352e3e-e235-4cb9-81f8-3d2b34bcd5a0/bin/ukojak-verify-G8NBE6pJGL/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