./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark35_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_be80a729-326d-46a0-8244-7add200e193d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be80a729-326d-46a0-8244-7add200e193d/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be80a729-326d-46a0-8244-7add200e193d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be80a729-326d-46a0-8244-7add200e193d/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark35_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be80a729-326d-46a0-8244-7add200e193d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be80a729-326d-46a0-8244-7add200e193d/bin/ukojak-verify-afCqCEvfdi --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 85c19f871ad5ac1548d47246e44639a9c86d865b8cdbaf9d1178a047385625ae --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:03:27,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:03:27,978 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be80a729-326d-46a0-8244-7add200e193d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:03:27,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:03:27,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:03:28,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:03:28,014 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:03:28,015 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:03:28,016 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:03:28,016 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:03:28,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:03:28,018 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:03:28,018 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:03:28,022 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:03:28,023 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:03:28,023 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:03:28,024 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:03:28,024 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:03:28,025 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:03:28,025 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:03:28,025 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:03:28,026 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:03:28,027 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:03:28,027 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:03:28,028 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:03:28,028 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:03:28,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:28,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:03:28,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:03:28,030 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:03:28,031 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:03:28,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:03:28,031 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:03:28,032 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_be80a729-326d-46a0-8244-7add200e193d/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be80a729-326d-46a0-8244-7add200e193d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85c19f871ad5ac1548d47246e44639a9c86d865b8cdbaf9d1178a047385625ae [2023-11-24 23:03:28,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:03:28,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:03:28,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:03:28,362 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:03:28,362 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:03:28,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be80a729-326d-46a0-8244-7add200e193d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/loop-zilu/benchmark35_linear.i [2023-11-24 23:03:31,437 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:03:31,653 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:03:31,654 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be80a729-326d-46a0-8244-7add200e193d/sv-benchmarks/c/loop-zilu/benchmark35_linear.i [2023-11-24 23:03:31,661 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be80a729-326d-46a0-8244-7add200e193d/bin/ukojak-verify-afCqCEvfdi/data/d16897afb/83e6207627ff480e94dca5b38bc8573e/FLAGada5b387c [2023-11-24 23:03:31,683 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be80a729-326d-46a0-8244-7add200e193d/bin/ukojak-verify-afCqCEvfdi/data/d16897afb/83e6207627ff480e94dca5b38bc8573e [2023-11-24 23:03:31,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:03:31,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:03:31,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:31,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:03:31,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:03:31,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:31" (1/1) ... [2023-11-24 23:03:31,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@322b510a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:31, skipping insertion in model container [2023-11-24 23:03:31,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:31" (1/1) ... [2023-11-24 23:03:31,729 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:03:31,881 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_be80a729-326d-46a0-8244-7add200e193d/sv-benchmarks/c/loop-zilu/benchmark35_linear.i[868,881] [2023-11-24 23:03:31,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:31,901 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:03:31,912 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_be80a729-326d-46a0-8244-7add200e193d/sv-benchmarks/c/loop-zilu/benchmark35_linear.i[868,881] [2023-11-24 23:03:31,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:31,930 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:03:31,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:31 WrapperNode [2023-11-24 23:03:31,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:31,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:31,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:03:31,932 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:03:31,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:31" (1/1) ... [2023-11-24 23:03:31,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:31" (1/1) ... [2023-11-24 23:03:31,972 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2023-11-24 23:03:31,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:31,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:03:31,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:03:31,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:03:31,984 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:31" (1/1) ... [2023-11-24 23:03:31,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:31" (1/1) ... [2023-11-24 23:03:31,991 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:31" (1/1) ... [2023-11-24 23:03:31,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:31" (1/1) ... [2023-11-24 23:03:31,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:31" (1/1) ... [2023-11-24 23:03:31,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:31" (1/1) ... [2023-11-24 23:03:31,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:31" (1/1) ... [2023-11-24 23:03:32,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:31" (1/1) ... [2023-11-24 23:03:32,002 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:03:32,002 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:03:32,003 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:03:32,003 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:03:32,004 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:31" (1/1) ... [2023-11-24 23:03:32,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:32,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be80a729-326d-46a0-8244-7add200e193d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:03:32,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be80a729-326d-46a0-8244-7add200e193d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:03:32,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be80a729-326d-46a0-8244-7add200e193d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:03:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:03:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:03:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:03:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:03:32,157 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:03:32,160 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:03:32,286 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:03:32,314 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:03:32,314 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:03:32,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:32 BoogieIcfgContainer [2023-11-24 23:03:32,316 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:03:32,317 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:03:32,317 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:03:32,329 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:03:32,329 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:32" (1/1) ... [2023-11-24 23:03:32,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:03:32,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:32,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-11-24 23:03:32,391 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-11-24 23:03:32,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:03:32,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:32,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:32,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:32,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:32,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-24 23:03:32,859 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-24 23:03:32,859 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:03:32,860 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-11-24 23:03:32,871 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 23:03:32,884 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:03:32,888 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2023-11-24 23:03:32,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:03:32 ImpRootNode [2023-11-24 23:03:32,891 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:03:32,892 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:03:32,892 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:03:32,892 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:03:32,893 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:32" (3/4) ... [2023-11-24 23:03:32,895 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:03:32,901 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-24 23:03:32,902 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-24 23:03:32,902 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 23:03:32,902 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:03:32,989 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be80a729-326d-46a0-8244-7add200e193d/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:03:32,989 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be80a729-326d-46a0-8244-7add200e193d/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:03:32,989 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:03:32,995 INFO L158 Benchmark]: Toolchain (without parser) took 1297.16ms. Allocated memory is still 176.2MB. Free memory was 132.6MB in the beginning and 136.1MB in the end (delta: -3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:32,996 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 123.7MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:32,996 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.63ms. Allocated memory is still 176.2MB. Free memory was 132.2MB in the beginning and 122.1MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:03:32,997 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.16ms. Allocated memory is still 176.2MB. Free memory was 122.1MB in the beginning and 120.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:03:32,999 INFO L158 Benchmark]: Boogie Preprocessor took 28.09ms. Allocated memory is still 176.2MB. Free memory was 120.2MB in the beginning and 119.2MB in the end (delta: 971.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:03:32,999 INFO L158 Benchmark]: RCFGBuilder took 313.80ms. Allocated memory is still 176.2MB. Free memory was 119.2MB in the beginning and 110.0MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 23:03:33,002 INFO L158 Benchmark]: CodeCheck took 573.62ms. Allocated memory is still 176.2MB. Free memory was 109.6MB in the beginning and 140.3MB in the end (delta: -30.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:33,003 INFO L158 Benchmark]: Witness Printer took 97.95ms. Allocated memory is still 176.2MB. Free memory was 140.3MB in the beginning and 136.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:03:33,011 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 3 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 4 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, 0.3s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 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: 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: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (0 < (x + 1)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 123.7MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.63ms. Allocated memory is still 176.2MB. Free memory was 132.2MB in the beginning and 122.1MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.16ms. Allocated memory is still 176.2MB. Free memory was 122.1MB in the beginning and 120.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.09ms. Allocated memory is still 176.2MB. Free memory was 120.2MB in the beginning and 119.2MB in the end (delta: 971.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 313.80ms. Allocated memory is still 176.2MB. Free memory was 119.2MB in the beginning and 110.0MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 573.62ms. Allocated memory is still 176.2MB. Free memory was 109.6MB in the beginning and 140.3MB in the end (delta: -30.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 97.95ms. Allocated memory is still 176.2MB. Free memory was 140.3MB in the beginning and 136.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:03:33,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be80a729-326d-46a0-8244-7add200e193d/bin/ukojak-verify-afCqCEvfdi/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