./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/trex02-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_7ae0aef0-756c-46df-93f6-025d237a6c20/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae0aef0-756c-46df-93f6-025d237a6c20/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_7ae0aef0-756c-46df-93f6-025d237a6c20/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae0aef0-756c-46df-93f6-025d237a6c20/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/trex02-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae0aef0-756c-46df-93f6-025d237a6c20/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae0aef0-756c-46df-93f6-025d237a6c20/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f8f2b0fe07eaaf370138039a17933ca03641a0ac6eda79ccb91fdfa5c5cca256 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:58:54,352 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:58:54,441 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae0aef0-756c-46df-93f6-025d237a6c20/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:58:54,446 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:58:54,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:58:54,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:58:54,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:58:54,478 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:58:54,479 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:58:54,480 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:58:54,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:58:54,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:58:54,481 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:58:54,482 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:58:54,482 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:58:54,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:58:54,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:58:54,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:58:54,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:58:54,485 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:58:54,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:58:54,489 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:58:54,490 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:58:54,490 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:58:54,491 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:58:54,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:58:54,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:54,492 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:58:54,493 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:58:54,494 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:58:54,494 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:58:54,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:58:54,495 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:58:54,496 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_7ae0aef0-756c-46df-93f6-025d237a6c20/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae0aef0-756c-46df-93f6-025d237a6c20/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8f2b0fe07eaaf370138039a17933ca03641a0ac6eda79ccb91fdfa5c5cca256 [2023-11-19 02:58:54,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:58:54,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:58:54,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:58:54,804 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:58:54,804 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:58:54,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae0aef0-756c-46df-93f6-025d237a6c20/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/loops/trex02-1.c [2023-11-19 02:58:57,792 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:58:58,030 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:58:58,030 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae0aef0-756c-46df-93f6-025d237a6c20/sv-benchmarks/c/loops/trex02-1.c [2023-11-19 02:58:58,042 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae0aef0-756c-46df-93f6-025d237a6c20/bin/ukojak-verify-G8NBE6pJGL/data/a0fe2ed61/e9f2ac871f5248c694a961750bcdb2fa/FLAG4127beb31 [2023-11-19 02:58:58,404 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae0aef0-756c-46df-93f6-025d237a6c20/bin/ukojak-verify-G8NBE6pJGL/data/a0fe2ed61/e9f2ac871f5248c694a961750bcdb2fa [2023-11-19 02:58:58,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:58:58,409 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:58:58,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:58,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:58:58,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:58:58,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:58" (1/1) ... [2023-11-19 02:58:58,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cfd1eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:58, skipping insertion in model container [2023-11-19 02:58:58,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:58" (1/1) ... [2023-11-19 02:58:58,439 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:58:58,579 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae0aef0-756c-46df-93f6-025d237a6c20/sv-benchmarks/c/loops/trex02-1.c[320,333] [2023-11-19 02:58:58,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:58,600 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:58:58,610 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae0aef0-756c-46df-93f6-025d237a6c20/sv-benchmarks/c/loops/trex02-1.c[320,333] [2023-11-19 02:58:58,613 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:58,628 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:58:58,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:58 WrapperNode [2023-11-19 02:58:58,628 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:58,629 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:58,629 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:58:58,629 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:58:58,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:58" (1/1) ... [2023-11-19 02:58:58,642 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:58" (1/1) ... [2023-11-19 02:58:58,656 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 32 [2023-11-19 02:58:58,657 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:58,657 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:58:58,658 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:58:58,658 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:58:58,667 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:58" (1/1) ... [2023-11-19 02:58:58,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:58" (1/1) ... [2023-11-19 02:58:58,668 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:58" (1/1) ... [2023-11-19 02:58:58,668 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:58" (1/1) ... [2023-11-19 02:58:58,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:58" (1/1) ... [2023-11-19 02:58:58,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:58" (1/1) ... [2023-11-19 02:58:58,674 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:58" (1/1) ... [2023-11-19 02:58:58,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:58" (1/1) ... [2023-11-19 02:58:58,677 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:58:58,678 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:58:58,678 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:58:58,678 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:58:58,679 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:58" (1/1) ... [2023-11-19 02:58:58,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:58,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae0aef0-756c-46df-93f6-025d237a6c20/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:58:58,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae0aef0-756c-46df-93f6-025d237a6c20/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:58:58,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae0aef0-756c-46df-93f6-025d237a6c20/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:58:58,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:58:58,757 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2023-11-19 02:58:58,757 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2023-11-19 02:58:58,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:58:58,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:58:58,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:58:58,816 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:58:58,817 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:58:58,922 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:58:58,946 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:58:58,946 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:58:58,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:58 BoogieIcfgContainer [2023-11-19 02:58:58,951 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:58:58,952 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:58:58,952 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:58:58,962 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:58:58,962 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:58" (1/1) ... [2023-11-19 02:58:58,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:58:59,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:59,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2023-11-19 02:58:59,017 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2023-11-19 02:58:59,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:58:59,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:59,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:59,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:58:59,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:59,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2023-11-19 02:58:59,395 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2023-11-19 02:58:59,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:58:59,400 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-11-19 02:58:59,409 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 02:58:59,432 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:58:59,436 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:58:59,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:58:59 ImpRootNode [2023-11-19 02:58:59,437 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:58:59,439 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:58:59,439 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:58:59,439 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:58:59,440 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:58" (3/4) ... [2023-11-19 02:58:59,442 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:58:59,447 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure foo [2023-11-19 02:58:59,454 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-19 02:58:59,454 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 02:58:59,454 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 02:58:59,455 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:58:59,560 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae0aef0-756c-46df-93f6-025d237a6c20/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:58:59,560 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae0aef0-756c-46df-93f6-025d237a6c20/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:58:59,560 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:58:59,561 INFO L158 Benchmark]: Toolchain (without parser) took 1152.48ms. Allocated memory was 140.5MB in the beginning and 203.4MB in the end (delta: 62.9MB). Free memory was 94.9MB in the beginning and 164.4MB in the end (delta: -69.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:58:59,561 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 140.5MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:58:59,562 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.31ms. Allocated memory is still 140.5MB. Free memory was 94.9MB in the beginning and 84.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:58:59,563 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.82ms. Allocated memory is still 140.5MB. Free memory was 84.6MB in the beginning and 83.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:58:59,563 INFO L158 Benchmark]: Boogie Preprocessor took 19.51ms. Allocated memory is still 140.5MB. Free memory was 83.2MB in the beginning and 82.2MB in the end (delta: 978.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:58:59,563 INFO L158 Benchmark]: RCFGBuilder took 273.09ms. Allocated memory is still 140.5MB. Free memory was 81.9MB in the beginning and 72.0MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 02:58:59,564 INFO L158 Benchmark]: CodeCheck took 485.75ms. Allocated memory was 140.5MB in the beginning and 203.4MB in the end (delta: 62.9MB). Free memory was 72.0MB in the beginning and 169.7MB in the end (delta: -97.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:58:59,569 INFO L158 Benchmark]: Witness Printer took 121.86ms. Allocated memory is still 203.4MB. Free memory was 169.7MB in the beginning and 164.4MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 02:58:59,571 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, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 3 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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 - PositiveResult [Line: 7]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 140.5MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.31ms. Allocated memory is still 140.5MB. Free memory was 94.9MB in the beginning and 84.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.82ms. Allocated memory is still 140.5MB. Free memory was 84.6MB in the beginning and 83.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.51ms. Allocated memory is still 140.5MB. Free memory was 83.2MB in the beginning and 82.2MB in the end (delta: 978.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 273.09ms. Allocated memory is still 140.5MB. Free memory was 81.9MB in the beginning and 72.0MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 485.75ms. Allocated memory was 140.5MB in the beginning and 203.4MB in the end (delta: 62.9MB). Free memory was 72.0MB in the beginning and 169.7MB in the end (delta: -97.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 121.86ms. Allocated memory is still 203.4MB. Free memory was 169.7MB in the beginning and 164.4MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 02:58:59,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae0aef0-756c-46df-93f6-025d237a6c20/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