./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i --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_322e5b6a-e98a-4a49-b424-84fbcb490480/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322e5b6a-e98a-4a49-b424-84fbcb490480/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_322e5b6a-e98a-4a49-b424-84fbcb490480/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322e5b6a-e98a-4a49-b424-84fbcb490480/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322e5b6a-e98a-4a49-b424-84fbcb490480/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_322e5b6a-e98a-4a49-b424-84fbcb490480/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 ecbe73983438c23c42e2ed0d81896f3aad03ba3c52d7d8ba5ad74018d0035eda --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:19:16,910 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:19:17,000 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322e5b6a-e98a-4a49-b424-84fbcb490480/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:19:17,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:19:17,008 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:19:17,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:19:17,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:19:17,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:19:17,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:19:17,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:19:17,046 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:19:17,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:19:17,047 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:19:17,047 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:19:17,047 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:19:17,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:19:17,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:19:17,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:19:17,051 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:19:17,052 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:19:17,052 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:19:17,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:19:17,053 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:19:17,053 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:19:17,053 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:19:17,054 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:19:17,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:19:17,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:19:17,055 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:19:17,055 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:19:17,055 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:19:17,056 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:19:17,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:19:17,060 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_322e5b6a-e98a-4a49-b424-84fbcb490480/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322e5b6a-e98a-4a49-b424-84fbcb490480/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecbe73983438c23c42e2ed0d81896f3aad03ba3c52d7d8ba5ad74018d0035eda [2024-11-08 22:19:17,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:19:17,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:19:17,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:19:17,395 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:19:17,396 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:19:17,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322e5b6a-e98a-4a49-b424-84fbcb490480/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i Unable to find full path for "g++" [2024-11-08 22:19:19,363 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:19:19,559 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:19:19,560 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322e5b6a-e98a-4a49-b424-84fbcb490480/sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i [2024-11-08 22:19:19,567 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322e5b6a-e98a-4a49-b424-84fbcb490480/bin/ukojak-verify-ImItNfHLgk/data/d28de275c/8eff07e37d7148cbaf885d74e1640769/FLAG17cea19db [2024-11-08 22:19:19,945 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322e5b6a-e98a-4a49-b424-84fbcb490480/bin/ukojak-verify-ImItNfHLgk/data/d28de275c/8eff07e37d7148cbaf885d74e1640769 [2024-11-08 22:19:19,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:19:19,949 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:19:19,951 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:19:19,951 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:19:19,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:19:19,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:19:19" (1/1) ... [2024-11-08 22:19:19,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b936480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:19:19, skipping insertion in model container [2024-11-08 22:19:19,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:19:19" (1/1) ... [2024-11-08 22:19:19,982 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:19:20,152 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_322e5b6a-e98a-4a49-b424-84fbcb490480/sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i[873,886] [2024-11-08 22:19:20,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:19:20,186 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:19:20,201 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_322e5b6a-e98a-4a49-b424-84fbcb490480/sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i[873,886] [2024-11-08 22:19:20,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:19:20,229 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:19:20,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:19:20 WrapperNode [2024-11-08 22:19:20,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:19:20,232 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:19:20,232 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:19:20,232 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:19:20,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:19:20" (1/1) ... [2024-11-08 22:19:20,247 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:19:20" (1/1) ... [2024-11-08 22:19:20,267 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2024-11-08 22:19:20,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:19:20,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:19:20,270 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:19:20,270 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:19:20,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:19:20" (1/1) ... [2024-11-08 22:19:20,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:19:20" (1/1) ... [2024-11-08 22:19:20,285 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:19:20" (1/1) ... [2024-11-08 22:19:20,285 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:19:20" (1/1) ... [2024-11-08 22:19:20,290 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:19:20" (1/1) ... [2024-11-08 22:19:20,294 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:19:20" (1/1) ... [2024-11-08 22:19:20,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:19:20" (1/1) ... [2024-11-08 22:19:20,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:19:20" (1/1) ... [2024-11-08 22:19:20,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:19:20,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:19:20,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:19:20,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:19:20,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:19:20" (1/1) ... [2024-11-08 22:19:20,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:19:20,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322e5b6a-e98a-4a49-b424-84fbcb490480/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:19:20,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322e5b6a-e98a-4a49-b424-84fbcb490480/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:19:20,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322e5b6a-e98a-4a49-b424-84fbcb490480/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:19:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:19:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:19:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:19:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:19:20,459 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:19:20,461 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:19:20,607 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-08 22:19:20,607 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:19:20,667 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:19:20,671 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:19:20,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:19:20 BoogieIcfgContainer [2024-11-08 22:19:20,672 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:19:20,673 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:19:20,676 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:19:20,686 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:19:20,686 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:19:20" (1/1) ... [2024-11-08 22:19:20,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:19:20,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:20,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-11-08 22:19:20,748 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-11-08 22:19:20,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:19:20,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:20,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:19:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:20,945 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 22:19:20,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:20,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-08 22:19:20,987 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-08 22:19:20,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:19:20,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:20,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:19:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:21,045 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 22:19:21,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:21,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-08 22:19:21,091 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-08 22:19:21,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:19:21,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:21,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:19:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:21,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:19:21,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:21,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2024-11-08 22:19:21,769 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2024-11-08 22:19:21,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:19:21,770 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-11-08 22:19:21,780 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 22:19:21,861 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:19:21,862 INFO L77 FloydHoareUtils]: At program point L23(line 23) the Hoare annotation is: true [2024-11-08 22:19:21,863 INFO L77 FloydHoareUtils]: At program point L15(lines 15 17) the Hoare annotation is: (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) [2024-11-08 22:19:21,863 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:19:21,863 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 19 30) the Hoare annotation is: true [2024-11-08 22:19:21,864 INFO L77 FloydHoareUtils]: At program point L26-2(lines 24 27) the Hoare annotation is: (or (and (<= (+ |ULTIMATE.start_main_~y~0#1| 1) |ULTIMATE.start_main_~n~0#1|) (<= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|)) (and (< |ULTIMATE.start_main_~n~0#1| (+ |ULTIMATE.start_main_~x~0#1| 1)) (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_main_~y~0#1|))) [2024-11-08 22:19:21,864 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2024-11-08 22:19:21,865 INFO L77 FloydHoareUtils]: At program point L24-1(lines 24 27) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_main_~y~0#1| 1) |ULTIMATE.start_main_~n~0#1|) (<= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|)) [2024-11-08 22:19:21,865 INFO L77 FloydHoareUtils]: At program point L24-3(lines 24 27) the Hoare annotation is: (= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_main_~y~0#1|) [2024-11-08 22:19:21,865 INFO L75 FloydHoareUtils]: For program point L16(line 16) no Hoare annotation was computed. [2024-11-08 22:19:21,865 INFO L77 FloydHoareUtils]: At program point L14(lines 14 18) the Hoare annotation is: true [2024-11-08 22:19:21,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:19:21 ImpRootNode [2024-11-08 22:19:21,885 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:19:21,885 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:19:21,886 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:19:21,886 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:19:21,887 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:19:20" (3/4) ... [2024-11-08 22:19:21,889 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:19:21,901 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-08 22:19:21,902 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 22:19:21,903 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 22:19:21,903 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:19:21,984 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322e5b6a-e98a-4a49-b424-84fbcb490480/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:19:21,984 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322e5b6a-e98a-4a49-b424-84fbcb490480/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:19:21,984 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:19:21,985 INFO L158 Benchmark]: Toolchain (without parser) took 2036.03ms. Allocated memory was 172.0MB in the beginning and 230.7MB in the end (delta: 58.7MB). Free memory was 130.9MB in the beginning and 185.1MB in the end (delta: -54.2MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-11-08 22:19:21,986 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 172.0MB. Free memory is still 141.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:19:21,986 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.26ms. Allocated memory is still 172.0MB. Free memory was 130.9MB in the beginning and 118.6MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:19:21,987 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.91ms. Allocated memory is still 172.0MB. Free memory was 118.6MB in the beginning and 117.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:19:21,987 INFO L158 Benchmark]: Boogie Preprocessor took 32.09ms. Allocated memory is still 172.0MB. Free memory was 117.1MB in the beginning and 116.2MB in the end (delta: 865.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:19:21,988 INFO L158 Benchmark]: RCFGBuilder took 369.95ms. Allocated memory is still 172.0MB. Free memory was 115.7MB in the beginning and 104.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:19:21,988 INFO L158 Benchmark]: CodeCheck took 1212.10ms. Allocated memory was 172.0MB in the beginning and 230.7MB in the end (delta: 58.7MB). Free memory was 104.6MB in the beginning and 190.3MB in the end (delta: -85.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:19:21,989 INFO L158 Benchmark]: Witness Printer took 99.20ms. Allocated memory is still 230.7MB. Free memory was 190.3MB in the beginning and 185.1MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 22:19:21,991 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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 21 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 149 GetRequests, 134 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 53 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 0/1 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: 16]: 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: 24]: Loop Invariant Derived loop invariant: (((((long long) y + 1) <= n) && (x <= y)) || ((n < ((long long) x + 1)) && (n == y))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 172.0MB. Free memory is still 141.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.26ms. Allocated memory is still 172.0MB. Free memory was 130.9MB in the beginning and 118.6MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.91ms. Allocated memory is still 172.0MB. Free memory was 118.6MB in the beginning and 117.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.09ms. Allocated memory is still 172.0MB. Free memory was 117.1MB in the beginning and 116.2MB in the end (delta: 865.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 369.95ms. Allocated memory is still 172.0MB. Free memory was 115.7MB in the beginning and 104.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1212.10ms. Allocated memory was 172.0MB in the beginning and 230.7MB in the end (delta: 58.7MB). Free memory was 104.6MB in the beginning and 190.3MB in the end (delta: -85.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 99.20ms. Allocated memory is still 230.7MB. Free memory was 190.3MB in the beginning and 185.1MB 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! [2024-11-08 22:19:22,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_322e5b6a-e98a-4a49-b424-84fbcb490480/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE