./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-89.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_02dd9cf9-c0a8-4ba1-a327-f4a20a221026/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dd9cf9-c0a8-4ba1-a327-f4a20a221026/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_02dd9cf9-c0a8-4ba1-a327-f4a20a221026/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dd9cf9-c0a8-4ba1-a327-f4a20a221026/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dd9cf9-c0a8-4ba1-a327-f4a20a221026/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_02dd9cf9-c0a8-4ba1-a327-f4a20a221026/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 857eb6400730c27462335624c39a58effd99f93ee6f972a1d8a0651a358303ab --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:45:26,773 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:45:26,840 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dd9cf9-c0a8-4ba1-a327-f4a20a221026/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:45:26,845 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:45:26,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:45:26,868 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:45:26,868 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:45:26,869 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:45:26,870 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:45:26,871 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:45:26,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:45:26,872 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:45:26,872 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:45:26,873 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:45:26,873 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:45:26,874 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:45:26,874 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:45:26,875 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:45:26,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:45:26,876 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:45:26,877 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:45:26,877 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:45:26,878 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:45:26,878 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:45:26,879 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:45:26,879 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:45:26,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:45:26,880 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:45:26,881 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:45:26,881 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:45:26,882 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:45:26,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:45:26,883 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:45:26,883 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_02dd9cf9-c0a8-4ba1-a327-f4a20a221026/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dd9cf9-c0a8-4ba1-a327-f4a20a221026/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 857eb6400730c27462335624c39a58effd99f93ee6f972a1d8a0651a358303ab [2023-12-02 23:45:27,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:45:27,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:45:27,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:45:27,116 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:45:27,116 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:45:27,118 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dd9cf9-c0a8-4ba1-a327-f4a20a221026/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-89.i [2023-12-02 23:45:29,919 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:45:30,095 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:45:30,096 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dd9cf9-c0a8-4ba1-a327-f4a20a221026/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-89.i [2023-12-02 23:45:30,104 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dd9cf9-c0a8-4ba1-a327-f4a20a221026/bin/ukojak-verify-Qdu7aM0XO9/data/5e174f247/578149096bd9483c8cf1962745263c4a/FLAG5d162edc3 [2023-12-02 23:45:30,117 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dd9cf9-c0a8-4ba1-a327-f4a20a221026/bin/ukojak-verify-Qdu7aM0XO9/data/5e174f247/578149096bd9483c8cf1962745263c4a [2023-12-02 23:45:30,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:45:30,120 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:45:30,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:45:30,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:45:30,125 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:45:30,126 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:45:30" (1/1) ... [2023-12-02 23:45:30,127 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@239b6ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:30, skipping insertion in model container [2023-12-02 23:45:30,127 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:45:30" (1/1) ... [2023-12-02 23:45:30,153 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:45:30,310 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_02dd9cf9-c0a8-4ba1-a327-f4a20a221026/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-89.i[913,926] [2023-12-02 23:45:30,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:45:30,377 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:45:30,393 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_02dd9cf9-c0a8-4ba1-a327-f4a20a221026/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-89.i[913,926] [2023-12-02 23:45:30,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:45:30,437 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:45:30,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:30 WrapperNode [2023-12-02 23:45:30,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:45:30,440 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:45:30,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:45:30,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:45:30,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:30" (1/1) ... [2023-12-02 23:45:30,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:30" (1/1) ... [2023-12-02 23:45:30,500 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 144 [2023-12-02 23:45:30,501 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:45:30,502 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:45:30,502 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:45:30,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:45:30,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:30" (1/1) ... [2023-12-02 23:45:30,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:30" (1/1) ... [2023-12-02 23:45:30,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:30" (1/1) ... [2023-12-02 23:45:30,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:30" (1/1) ... [2023-12-02 23:45:30,529 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:30" (1/1) ... [2023-12-02 23:45:30,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:30" (1/1) ... [2023-12-02 23:45:30,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:30" (1/1) ... [2023-12-02 23:45:30,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:30" (1/1) ... [2023-12-02 23:45:30,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:45:30,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:45:30,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:45:30,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:45:30,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:30" (1/1) ... [2023-12-02 23:45:30,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:45:30,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dd9cf9-c0a8-4ba1-a327-f4a20a221026/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:45:30,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dd9cf9-c0a8-4ba1-a327-f4a20a221026/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:45:30,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dd9cf9-c0a8-4ba1-a327-f4a20a221026/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:45:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:45:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:45:30,632 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:45:30,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:45:30,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:45:30,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:45:30,726 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:45:30,729 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:45:31,121 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:45:31,396 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:45:31,397 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:45:31,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:45:31 BoogieIcfgContainer [2023-12-02 23:45:31,399 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:45:31,400 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:45:31,401 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:45:31,410 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:45:31,410 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:45:31" (1/1) ... [2023-12-02 23:45:31,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:45:31,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:31,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2023-12-02 23:45:31,479 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2023-12-02 23:45:31,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:45:31,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:31,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:31,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 23:45:31,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:37,384 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 92 proven. 23 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-12-02 23:45:37,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:37,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 25 states and 37 transitions. [2023-12-02 23:45:37,777 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-12-02 23:45:37,778 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 23:45:37,778 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-12-02 23:45:37,791 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 23:45:37,818 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:45:37,823 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:45:37,824 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:45:37,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:45:37 ImpRootNode [2023-12-02 23:45:37,824 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:45:37,825 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:45:37,825 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:45:37,826 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:45:37,827 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:45:31" (3/4) ... [2023-12-02 23:45:37,829 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 23:45:37,833 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 23:45:37,841 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2023-12-02 23:45:37,842 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-12-02 23:45:37,843 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 23:45:37,843 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 23:45:37,987 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dd9cf9-c0a8-4ba1-a327-f4a20a221026/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:45:37,988 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dd9cf9-c0a8-4ba1-a327-f4a20a221026/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 23:45:37,988 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:45:37,989 INFO L158 Benchmark]: Toolchain (without parser) took 7868.87ms. Allocated memory was 132.1MB in the beginning and 287.3MB in the end (delta: 155.2MB). Free memory was 93.0MB in the beginning and 135.4MB in the end (delta: -42.4MB). Peak memory consumption was 115.0MB. Max. memory is 16.1GB. [2023-12-02 23:45:37,990 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 132.1MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:45:37,990 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.64ms. Allocated memory is still 132.1MB. Free memory was 93.0MB in the beginning and 80.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:45:37,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.39ms. Allocated memory is still 132.1MB. Free memory was 80.5MB in the beginning and 77.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:45:37,992 INFO L158 Benchmark]: Boogie Preprocessor took 43.34ms. Allocated memory is still 132.1MB. Free memory was 77.6MB in the beginning and 75.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:45:37,992 INFO L158 Benchmark]: RCFGBuilder took 853.36ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 75.8MB in the beginning and 98.0MB in the end (delta: -22.2MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2023-12-02 23:45:37,993 INFO L158 Benchmark]: CodeCheck took 6424.22ms. Allocated memory was 165.7MB in the beginning and 287.3MB in the end (delta: 121.6MB). Free memory was 98.0MB in the beginning and 142.7MB in the end (delta: -44.8MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. [2023-12-02 23:45:37,993 INFO L158 Benchmark]: Witness Printer took 163.04ms. Allocated memory is still 287.3MB. Free memory was 142.7MB in the beginning and 135.4MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 23:45:37,996 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, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 76 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 112 IncrementalHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 46 mSDtfsCounter, 112 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 364 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 331 SizeOfPredicates, 20 NumberOfNonLiveVariables, 190 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 133/156 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: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 97]: 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 0.23ms. Allocated memory is still 132.1MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.64ms. Allocated memory is still 132.1MB. Free memory was 93.0MB in the beginning and 80.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.39ms. Allocated memory is still 132.1MB. Free memory was 80.5MB in the beginning and 77.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.34ms. Allocated memory is still 132.1MB. Free memory was 77.6MB in the beginning and 75.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 853.36ms. Allocated memory was 132.1MB in the beginning and 165.7MB in the end (delta: 33.6MB). Free memory was 75.8MB in the beginning and 98.0MB in the end (delta: -22.2MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * CodeCheck took 6424.22ms. Allocated memory was 165.7MB in the beginning and 287.3MB in the end (delta: 121.6MB). Free memory was 98.0MB in the beginning and 142.7MB in the end (delta: -44.8MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. * Witness Printer took 163.04ms. Allocated memory is still 287.3MB. Free memory was 142.7MB in the beginning and 135.4MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 23:45:38,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dd9cf9-c0a8-4ba1-a327-f4a20a221026/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