./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_lcm1.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_b1e5dbde-3293-4a79-888f-df418e76b136/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5dbde-3293-4a79-888f-df418e76b136/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_b1e5dbde-3293-4a79-888f-df418e76b136/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5dbde-3293-4a79-888f-df418e76b136/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_lcm1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5dbde-3293-4a79-888f-df418e76b136/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_b1e5dbde-3293-4a79-888f-df418e76b136/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 e972d7fe67c03faae458b4aeefde235726c38e34da23998883d4b544999b0f51 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:39:49,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:39:49,136 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5dbde-3293-4a79-888f-df418e76b136/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:39:49,141 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:39:49,142 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:39:49,166 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:39:49,167 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:39:49,168 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:39:49,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:39:49,170 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:39:49,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:39:49,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:39:49,171 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:39:49,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:39:49,173 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:39:49,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:39:49,174 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:39:49,174 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:39:49,175 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:39:49,175 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:39:49,176 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:39:49,177 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:39:49,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:39:49,178 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:39:49,178 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:39:49,179 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:39:49,179 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:39:49,180 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:39:49,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:49,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:39:49,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:39:49,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:39:49,182 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:39:49,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:39:49,183 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:39:49,183 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_b1e5dbde-3293-4a79-888f-df418e76b136/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5dbde-3293-4a79-888f-df418e76b136/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e972d7fe67c03faae458b4aeefde235726c38e34da23998883d4b544999b0f51 [2023-11-21 18:39:49,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:39:49,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:39:49,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:39:49,527 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:39:49,531 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:39:49,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5dbde-3293-4a79-888f-df418e76b136/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/recursified_nla-digbench/recursified_lcm1.c [2023-11-21 18:39:52,788 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:39:53,002 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:39:53,003 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5dbde-3293-4a79-888f-df418e76b136/sv-benchmarks/c/recursified_nla-digbench/recursified_lcm1.c [2023-11-21 18:39:53,012 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5dbde-3293-4a79-888f-df418e76b136/bin/ukojak-verify-i0I2FZA1j2/data/00eb08536/3ca0a5a5cb60449d96c3ef7644827bfb/FLAGb6b96abc3 [2023-11-21 18:39:53,028 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5dbde-3293-4a79-888f-df418e76b136/bin/ukojak-verify-i0I2FZA1j2/data/00eb08536/3ca0a5a5cb60449d96c3ef7644827bfb [2023-11-21 18:39:53,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:39:53,033 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:39:53,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:53,035 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:39:53,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:39:53,041 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:53" (1/1) ... [2023-11-21 18:39:53,042 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201bafca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:53, skipping insertion in model container [2023-11-21 18:39:53,043 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:53" (1/1) ... [2023-11-21 18:39:53,070 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:39:53,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:53,314 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:39:53,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:53,364 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:39:53,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:53 WrapperNode [2023-11-21 18:39:53,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:53,367 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:53,367 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:39:53,367 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:39:53,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:53" (1/1) ... [2023-11-21 18:39:53,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:53" (1/1) ... [2023-11-21 18:39:53,409 INFO L138 Inliner]: procedures = 18, calls = 105, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2023-11-21 18:39:53,409 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:53,410 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:39:53,410 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:39:53,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:39:53,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:53" (1/1) ... [2023-11-21 18:39:53,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:53" (1/1) ... [2023-11-21 18:39:53,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:53" (1/1) ... [2023-11-21 18:39:53,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:53" (1/1) ... [2023-11-21 18:39:53,436 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:53" (1/1) ... [2023-11-21 18:39:53,439 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:53" (1/1) ... [2023-11-21 18:39:53,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:53" (1/1) ... [2023-11-21 18:39:53,443 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:53" (1/1) ... [2023-11-21 18:39:53,447 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:39:53,449 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:39:53,449 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:39:53,449 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:39:53,450 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:53" (1/1) ... [2023-11-21 18:39:53,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:53,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5dbde-3293-4a79-888f-df418e76b136/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:39:53,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5dbde-3293-4a79-888f-df418e76b136/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:39:53,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5dbde-3293-4a79-888f-df418e76b136/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:39:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:39:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_35_to_38_0 [2023-11-21 18:39:53,575 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_35_to_38_0 [2023-11-21 18:39:53,575 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_48_to_53_0 [2023-11-21 18:39:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_48_to_53_0 [2023-11-21 18:39:53,577 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:39:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:39:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:39:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_40_to_45_0 [2023-11-21 18:39:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_40_to_45_0 [2023-11-21 18:39:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:39:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:39:53,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:39:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:39:53,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:39:53,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:39:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:39:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:39:53,731 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:39:53,733 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:39:54,220 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:39:54,256 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:39:54,256 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:39:54,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:54 BoogieIcfgContainer [2023-11-21 18:39:54,258 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:39:54,259 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:39:54,259 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:39:54,270 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:39:54,270 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:54" (1/1) ... [2023-11-21 18:39:54,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:39:54,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:54,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 46 states and 61 transitions. [2023-11-21 18:39:54,342 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2023-11-21 18:39:54,346 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:39:54,347 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2023-11-21 18:39:54,353 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 18:39:54,408 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:39:54,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:39:54 ImpRootNode [2023-11-21 18:39:54,414 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:39:54,415 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:39:54,415 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:39:54,415 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:39:54,416 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:54" (3/4) ... [2023-11-21 18:39:54,418 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:39:54,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_35_to_38_0 [2023-11-21 18:39:54,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_48_to_53_0 [2023-11-21 18:39:54,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-21 18:39:54,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-21 18:39:54,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_40_to_45_0 [2023-11-21 18:39:54,455 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2023-11-21 18:39:54,456 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-21 18:39:54,457 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-21 18:39:54,457 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:39:54,458 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:39:54,596 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5dbde-3293-4a79-888f-df418e76b136/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:39:54,597 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5dbde-3293-4a79-888f-df418e76b136/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:39:54,597 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:39:54,598 INFO L158 Benchmark]: Toolchain (without parser) took 1564.92ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 110.2MB in the end (delta: -5.3MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. [2023-11-21 18:39:54,598 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:39:54,599 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.42ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 92.8MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:39:54,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.83ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 91.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:39:54,600 INFO L158 Benchmark]: Boogie Preprocessor took 37.62ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 89.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:39:54,600 INFO L158 Benchmark]: RCFGBuilder took 809.60ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 65.6MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-21 18:39:54,601 INFO L158 Benchmark]: CodeCheck took 155.05ms. Allocated memory is still 142.6MB. Free memory was 65.1MB in the beginning and 58.6MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:39:54,601 INFO L158 Benchmark]: Witness Printer took 182.43ms. Allocated memory is still 142.6MB. Free memory was 58.6MB in the beginning and 110.2MB in the end (delta: -51.6MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2023-11-21 18:39:54,603 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 6 procedures, 46 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: 140]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.42ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 92.8MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.83ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 91.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.62ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 89.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 809.60ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 65.6MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 155.05ms. Allocated memory is still 142.6MB. Free memory was 65.1MB in the beginning and 58.6MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 182.43ms. Allocated memory is still 142.6MB. Free memory was 58.6MB in the beginning and 110.2MB in the end (delta: -51.6MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:39:54,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1e5dbde-3293-4a79-888f-df418e76b136/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