./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-41.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_8bede3dd-b1eb-46e1-abbb-d240c8e42550/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bede3dd-b1eb-46e1-abbb-d240c8e42550/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bede3dd-b1eb-46e1-abbb-d240c8e42550/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bede3dd-b1eb-46e1-abbb-d240c8e42550/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bede3dd-b1eb-46e1-abbb-d240c8e42550/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bede3dd-b1eb-46e1-abbb-d240c8e42550/bin/ukojak-verify-Qdu7aM0XO9 --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 7566a205875353a7a53577ca4c9ca94a9d2d53458c01e4aa6bab26ab44feec5a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:16:25,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:16:26,031 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bede3dd-b1eb-46e1-abbb-d240c8e42550/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:16:26,036 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:16:26,036 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:16:26,059 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:16:26,059 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:16:26,060 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:16:26,060 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:16:26,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:16:26,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:16:26,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:16:26,063 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:16:26,063 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:16:26,064 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:16:26,064 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:16:26,065 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:16:26,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:16:26,066 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:16:26,066 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:16:26,067 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:16:26,067 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:16:26,068 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:16:26,068 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:16:26,069 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:16:26,069 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:16:26,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:16:26,070 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:16:26,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:16:26,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:16:26,071 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:16:26,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:16:26,072 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:16:26,072 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_8bede3dd-b1eb-46e1-abbb-d240c8e42550/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bede3dd-b1eb-46e1-abbb-d240c8e42550/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7566a205875353a7a53577ca4c9ca94a9d2d53458c01e4aa6bab26ab44feec5a [2023-12-02 21:16:26,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:16:26,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:16:26,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:16:26,304 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:16:26,304 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:16:26,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bede3dd-b1eb-46e1-abbb-d240c8e42550/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-41.i [2023-12-02 21:16:29,143 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:16:29,315 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:16:29,315 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bede3dd-b1eb-46e1-abbb-d240c8e42550/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-41.i [2023-12-02 21:16:29,323 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bede3dd-b1eb-46e1-abbb-d240c8e42550/bin/ukojak-verify-Qdu7aM0XO9/data/f175f613f/132d309822464e0a8a0e26f14095b08f/FLAGedb3fb07f [2023-12-02 21:16:29,334 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bede3dd-b1eb-46e1-abbb-d240c8e42550/bin/ukojak-verify-Qdu7aM0XO9/data/f175f613f/132d309822464e0a8a0e26f14095b08f [2023-12-02 21:16:29,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:16:29,338 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:16:29,339 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:16:29,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:16:29,343 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:16:29,344 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:16:29" (1/1) ... [2023-12-02 21:16:29,345 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@787ef83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:29, skipping insertion in model container [2023-12-02 21:16:29,345 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:16:29" (1/1) ... [2023-12-02 21:16:29,369 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:16:29,497 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_8bede3dd-b1eb-46e1-abbb-d240c8e42550/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-41.i[915,928] [2023-12-02 21:16:29,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:16:29,550 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:16:29,561 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_8bede3dd-b1eb-46e1-abbb-d240c8e42550/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-41.i[915,928] [2023-12-02 21:16:29,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:16:29,598 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:16:29,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:29 WrapperNode [2023-12-02 21:16:29,598 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:16:29,599 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:16:29,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:16:29,600 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:16:29,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:29" (1/1) ... [2023-12-02 21:16:29,614 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:29" (1/1) ... [2023-12-02 21:16:29,643 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 108 [2023-12-02 21:16:29,644 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:16:29,645 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:16:29,645 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:16:29,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:16:29,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:29" (1/1) ... [2023-12-02 21:16:29,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:29" (1/1) ... [2023-12-02 21:16:29,655 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:29" (1/1) ... [2023-12-02 21:16:29,656 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:29" (1/1) ... [2023-12-02 21:16:29,661 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:29" (1/1) ... [2023-12-02 21:16:29,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:29" (1/1) ... [2023-12-02 21:16:29,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:29" (1/1) ... [2023-12-02 21:16:29,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:29" (1/1) ... [2023-12-02 21:16:29,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:16:29,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:16:29,672 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:16:29,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:16:29,673 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:29" (1/1) ... [2023-12-02 21:16:29,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:16:29,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bede3dd-b1eb-46e1-abbb-d240c8e42550/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:16:29,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bede3dd-b1eb-46e1-abbb-d240c8e42550/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:16:29,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bede3dd-b1eb-46e1-abbb-d240c8e42550/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:16:29,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:16:29,746 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 21:16:29,746 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 21:16:29,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:16:29,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:16:29,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:16:29,819 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:16:29,821 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:16:30,067 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:16:30,175 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:16:30,175 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:16:30,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:16:30 BoogieIcfgContainer [2023-12-02 21:16:30,177 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:16:30,178 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:16:30,178 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:16:30,186 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:16:30,186 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:16:30" (1/1) ... [2023-12-02 21:16:30,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:16:30,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:30,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2023-12-02 21:16:30,246 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2023-12-02 21:16:30,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 21:16:30,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:30,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:31,593 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-12-02 21:16:31,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:31,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2023-12-02 21:16:31,678 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2023-12-02 21:16:31,679 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 21:16:31,680 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-12-02 21:16:31,688 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 21:16:31,714 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:16:31,718 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:16:31,718 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:16:31,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:16:31 ImpRootNode [2023-12-02 21:16:31,718 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:16:31,719 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:16:31,719 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:16:31,720 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:16:31,720 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:16:30" (3/4) ... [2023-12-02 21:16:31,722 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 21:16:31,726 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 21:16:31,731 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-12-02 21:16:31,732 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-02 21:16:31,733 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 21:16:31,733 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 21:16:31,840 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bede3dd-b1eb-46e1-abbb-d240c8e42550/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 21:16:31,840 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bede3dd-b1eb-46e1-abbb-d240c8e42550/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 21:16:31,840 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:16:31,841 INFO L158 Benchmark]: Toolchain (without parser) took 2503.24ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 108.6MB in the beginning and 64.7MB in the end (delta: 44.0MB). Peak memory consumption was 88.5MB. Max. memory is 16.1GB. [2023-12-02 21:16:31,842 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 94.4MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:16:31,842 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.47ms. Allocated memory is still 153.1MB. Free memory was 108.5MB in the beginning and 96.6MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 21:16:31,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.80ms. Allocated memory is still 153.1MB. Free memory was 96.6MB in the beginning and 94.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:16:31,843 INFO L158 Benchmark]: Boogie Preprocessor took 26.30ms. Allocated memory is still 153.1MB. Free memory was 94.6MB in the beginning and 93.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:16:31,843 INFO L158 Benchmark]: RCFGBuilder took 505.11ms. Allocated memory is still 153.1MB. Free memory was 93.2MB in the beginning and 113.2MB in the end (delta: -20.0MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-12-02 21:16:31,844 INFO L158 Benchmark]: CodeCheck took 1540.92ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 113.2MB in the beginning and 70.0MB in the end (delta: 43.3MB). Peak memory consumption was 85.2MB. Max. memory is 16.1GB. [2023-12-02 21:16:31,844 INFO L158 Benchmark]: Witness Printer took 121.28ms. Allocated memory is still 195.0MB. Free memory was 70.0MB in the beginning and 64.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 21:16:31,846 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, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 106 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 40 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 278 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, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 62 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 240/240 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: 19]: 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: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 94.4MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.47ms. Allocated memory is still 153.1MB. Free memory was 108.5MB in the beginning and 96.6MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.80ms. Allocated memory is still 153.1MB. Free memory was 96.6MB in the beginning and 94.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.30ms. Allocated memory is still 153.1MB. Free memory was 94.6MB in the beginning and 93.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 505.11ms. Allocated memory is still 153.1MB. Free memory was 93.2MB in the beginning and 113.2MB in the end (delta: -20.0MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * CodeCheck took 1540.92ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 113.2MB in the beginning and 70.0MB in the end (delta: 43.3MB). Peak memory consumption was 85.2MB. Max. memory is 16.1GB. * Witness Printer took 121.28ms. Allocated memory is still 195.0MB. Free memory was 70.0MB in the beginning and 64.7MB 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! [2023-12-02 21:16:31,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bede3dd-b1eb-46e1-abbb-d240c8e42550/bin/ukojak-verify-Qdu7aM0XO9/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