./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_79998069-9be4-45b0-852f-a145f7a16df3/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79998069-9be4-45b0-852f-a145f7a16df3/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79998069-9be4-45b0-852f-a145f7a16df3/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79998069-9be4-45b0-852f-a145f7a16df3/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79998069-9be4-45b0-852f-a145f7a16df3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79998069-9be4-45b0-852f-a145f7a16df3/bin/ukojak-verify-ImItNfHLgk --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 9b74b62078fe6e68ee0466b9d1c2e79e430fb1451ec86e0edd3b64031dbdbc98 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:38:11,406 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:38:11,495 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79998069-9be4-45b0-852f-a145f7a16df3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:38:11,502 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:38:11,503 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:38:11,546 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:38:11,547 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:38:11,548 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:38:11,548 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:38:11,549 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:38:11,549 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:38:11,549 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:38:11,550 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:38:11,550 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:38:11,551 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:38:11,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:38:11,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:38:11,552 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:38:11,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:38:11,553 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:38:11,553 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:38:11,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:38:11,557 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:38:11,557 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:38:11,558 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:38:11,571 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:38:11,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:38:11,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:38:11,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:38:11,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:38:11,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:38:11,573 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:38:11,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:38:11,573 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_79998069-9be4-45b0-852f-a145f7a16df3/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79998069-9be4-45b0-852f-a145f7a16df3/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b74b62078fe6e68ee0466b9d1c2e79e430fb1451ec86e0edd3b64031dbdbc98 [2024-11-08 23:38:11,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:38:11,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:38:11,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:38:11,861 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:38:11,861 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:38:11,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79998069-9be4-45b0-852f-a145f7a16df3/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-regression/test17.c Unable to find full path for "g++" [2024-11-08 23:38:13,925 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:38:14,092 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:38:14,092 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79998069-9be4-45b0-852f-a145f7a16df3/sv-benchmarks/c/ldv-regression/test17.c [2024-11-08 23:38:14,098 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79998069-9be4-45b0-852f-a145f7a16df3/bin/ukojak-verify-ImItNfHLgk/data/d964c1d81/91edf4a885dd4d13915823ed4d991d87/FLAG922af9afe [2024-11-08 23:38:14,111 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79998069-9be4-45b0-852f-a145f7a16df3/bin/ukojak-verify-ImItNfHLgk/data/d964c1d81/91edf4a885dd4d13915823ed4d991d87 [2024-11-08 23:38:14,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:38:14,116 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:38:14,117 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:38:14,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:38:14,127 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:38:14,127 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:38:14" (1/1) ... [2024-11-08 23:38:14,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@232d9a78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:14, skipping insertion in model container [2024-11-08 23:38:14,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:38:14" (1/1) ... [2024-11-08 23:38:14,147 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:38:14,325 WARN L250 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_79998069-9be4-45b0-852f-a145f7a16df3/sv-benchmarks/c/ldv-regression/test17.c[377,390] [2024-11-08 23:38:14,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:38:14,351 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:38:14,364 WARN L250 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_79998069-9be4-45b0-852f-a145f7a16df3/sv-benchmarks/c/ldv-regression/test17.c[377,390] [2024-11-08 23:38:14,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:38:14,383 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:38:14,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:14 WrapperNode [2024-11-08 23:38:14,383 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:38:14,384 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:38:14,385 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:38:14,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:38:14,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:14" (1/1) ... [2024-11-08 23:38:14,399 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:14" (1/1) ... [2024-11-08 23:38:14,416 INFO L138 Inliner]: procedures = 12, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2024-11-08 23:38:14,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:38:14,418 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:38:14,418 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:38:14,418 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:38:14,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:14" (1/1) ... [2024-11-08 23:38:14,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:14" (1/1) ... [2024-11-08 23:38:14,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:14" (1/1) ... [2024-11-08 23:38:14,429 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:14" (1/1) ... [2024-11-08 23:38:14,435 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:14" (1/1) ... [2024-11-08 23:38:14,437 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:14" (1/1) ... [2024-11-08 23:38:14,438 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:14" (1/1) ... [2024-11-08 23:38:14,439 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:14" (1/1) ... [2024-11-08 23:38:14,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:38:14,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:38:14,445 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:38:14,446 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:38:14,446 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:14" (1/1) ... [2024-11-08 23:38:14,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:38:14,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79998069-9be4-45b0-852f-a145f7a16df3/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:38:14,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79998069-9be4-45b0-852f-a145f7a16df3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:38:14,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79998069-9be4-45b0-852f-a145f7a16df3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:38:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:38:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:38:14,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:38:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:38:14,604 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:38:14,607 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:38:14,758 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 23:38:14,758 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:38:14,805 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:38:14,806 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:38:14,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:14 BoogieIcfgContainer [2024-11-08 23:38:14,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:38:14,808 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:38:14,808 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:38:14,819 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:38:14,819 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:14" (1/1) ... [2024-11-08 23:38:14,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:38:14,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:38:14,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-08 23:38:14,899 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-08 23:38:14,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:38:14,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:38:14,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:38:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:38:15,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:38:15,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:38:15,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-08 23:38:15,238 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-08 23:38:15,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:38:15,239 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-08 23:38:15,248 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 23:38:15,277 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:38:15,277 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2024-11-08 23:38:15,277 INFO L75 FloydHoareUtils]: For program point equal_ERROR#1(line 12) no Hoare annotation was computed. [2024-11-08 23:38:15,277 INFO L77 FloydHoareUtils]: At program point equal_returnLabel#1(lines 6 14) the Hoare annotation is: true [2024-11-08 23:38:15,278 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:38:15,278 INFO L77 FloydHoareUtils]: At program point L7(lines 7 9) the Hoare annotation is: (and (= |ULTIMATE.start_equal_~b#1.offset| |ULTIMATE.start_equal_~a#1.offset|) (= |ULTIMATE.start_equal_~a#1.base| |ULTIMATE.start_equal_~b#1.base|)) [2024-11-08 23:38:15,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:38:15 ImpRootNode [2024-11-08 23:38:15,292 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:38:15,293 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:38:15,293 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:38:15,293 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:38:15,294 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:14" (3/4) ... [2024-11-08 23:38:15,299 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:38:15,310 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-08 23:38:15,311 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 23:38:15,311 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 23:38:15,311 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:38:15,443 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79998069-9be4-45b0-852f-a145f7a16df3/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:38:15,444 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79998069-9be4-45b0-852f-a145f7a16df3/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:38:15,444 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:38:15,446 INFO L158 Benchmark]: Toolchain (without parser) took 1329.59ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 96.2MB in the beginning and 148.1MB in the end (delta: -52.0MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-08 23:38:15,447 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 138.4MB. Free memory is still 107.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:38:15,448 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.78ms. Allocated memory is still 138.4MB. Free memory was 96.2MB in the beginning and 84.2MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:38:15,448 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.72ms. Allocated memory is still 138.4MB. Free memory was 84.2MB in the beginning and 82.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:38:15,449 INFO L158 Benchmark]: Boogie Preprocessor took 26.59ms. Allocated memory is still 138.4MB. Free memory was 82.7MB in the beginning and 82.0MB in the end (delta: 708.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:38:15,451 INFO L158 Benchmark]: RCFGBuilder took 361.35ms. Allocated memory is still 138.4MB. Free memory was 82.0MB in the beginning and 71.7MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:38:15,452 INFO L158 Benchmark]: CodeCheck took 484.22ms. Allocated memory is still 138.4MB. Free memory was 71.5MB in the beginning and 56.3MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:38:15,453 INFO L158 Benchmark]: Witness Printer took 151.99ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 56.3MB in the beginning and 148.1MB in the end (delta: -91.8MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2024-11-08 23:38:15,455 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 1 procedures, 6 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, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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: 12]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 138.4MB. Free memory is still 107.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.78ms. Allocated memory is still 138.4MB. Free memory was 96.2MB in the beginning and 84.2MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.72ms. Allocated memory is still 138.4MB. Free memory was 84.2MB in the beginning and 82.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.59ms. Allocated memory is still 138.4MB. Free memory was 82.7MB in the beginning and 82.0MB in the end (delta: 708.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 361.35ms. Allocated memory is still 138.4MB. Free memory was 82.0MB in the beginning and 71.7MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 484.22ms. Allocated memory is still 138.4MB. Free memory was 71.5MB in the beginning and 56.3MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 151.99ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 56.3MB in the beginning and 148.1MB in the end (delta: -91.8MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 23:38:15,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79998069-9be4-45b0-852f-a145f7a16df3/bin/ukojak-verify-ImItNfHLgk/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