./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_a782be05-374f-401b-8663-ae99029c2ded/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a782be05-374f-401b-8663-ae99029c2ded/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_a782be05-374f-401b-8663-ae99029c2ded/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a782be05-374f-401b-8663-ae99029c2ded/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a782be05-374f-401b-8663-ae99029c2ded/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_a782be05-374f-401b-8663-ae99029c2ded/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 baa0361131df5a78c0a8a4c29ba2893696394b78f626b1aa1f97e06e0771e5c0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:59:11,432 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:59:11,548 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a782be05-374f-401b-8663-ae99029c2ded/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:59:11,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:59:11,557 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:59:11,594 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:59:11,595 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:59:11,595 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:59:11,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:59:11,598 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:59:11,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:59:11,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:59:11,599 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:59:11,600 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:59:11,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:59:11,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:59:11,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:59:11,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:59:11,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:59:11,606 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:59:11,606 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:59:11,610 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:59:11,610 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:59:11,611 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:59:11,611 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:59:11,611 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:59:11,611 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:59:11,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:59:11,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:59:11,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:59:11,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:59:11,613 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:59:11,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:59:11,613 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_a782be05-374f-401b-8663-ae99029c2ded/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a782be05-374f-401b-8663-ae99029c2ded/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> baa0361131df5a78c0a8a4c29ba2893696394b78f626b1aa1f97e06e0771e5c0 [2024-11-08 22:59:11,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:59:11,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:59:11,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:59:11,961 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:59:11,962 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:59:11,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a782be05-374f-401b-8663-ae99029c2ded/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c Unable to find full path for "g++" [2024-11-08 22:59:13,966 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:59:14,237 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:59:14,238 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a782be05-374f-401b-8663-ae99029c2ded/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2024-11-08 22:59:14,249 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a782be05-374f-401b-8663-ae99029c2ded/bin/ukojak-verify-ImItNfHLgk/data/d2546b8fd/7e0fc7842eba4bf5a28500c850cfec32/FLAG242bbf768 [2024-11-08 22:59:14,579 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a782be05-374f-401b-8663-ae99029c2ded/bin/ukojak-verify-ImItNfHLgk/data/d2546b8fd/7e0fc7842eba4bf5a28500c850cfec32 [2024-11-08 22:59:14,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:59:14,582 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:59:14,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:59:14,584 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:59:14,589 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:59:14,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:59:14" (1/1) ... [2024-11-08 22:59:14,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ceaf7d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:14, skipping insertion in model container [2024-11-08 22:59:14,592 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:59:14" (1/1) ... [2024-11-08 22:59:14,643 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:59:15,018 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_a782be05-374f-401b-8663-ae99029c2ded/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2024-11-08 22:59:15,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:59:15,033 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:59:15,129 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_a782be05-374f-401b-8663-ae99029c2ded/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2024-11-08 22:59:15,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:59:15,162 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:59:15,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:15 WrapperNode [2024-11-08 22:59:15,164 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:59:15,165 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:59:15,165 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:59:15,165 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:59:15,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:15" (1/1) ... [2024-11-08 22:59:15,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:15" (1/1) ... [2024-11-08 22:59:15,231 INFO L138 Inliner]: procedures = 29, calls = 155, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 441 [2024-11-08 22:59:15,232 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:59:15,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:59:15,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:59:15,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:59:15,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:15" (1/1) ... [2024-11-08 22:59:15,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:15" (1/1) ... [2024-11-08 22:59:15,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:15" (1/1) ... [2024-11-08 22:59:15,260 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:15" (1/1) ... [2024-11-08 22:59:15,291 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:15" (1/1) ... [2024-11-08 22:59:15,303 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:15" (1/1) ... [2024-11-08 22:59:15,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:15" (1/1) ... [2024-11-08 22:59:15,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:15" (1/1) ... [2024-11-08 22:59:15,324 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:59:15,329 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:59:15,329 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:59:15,329 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:59:15,330 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:15" (1/1) ... [2024-11-08 22:59:15,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:59:15,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a782be05-374f-401b-8663-ae99029c2ded/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:59:15,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a782be05-374f-401b-8663-ae99029c2ded/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:59:15,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a782be05-374f-401b-8663-ae99029c2ded/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:59:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2024-11-08 22:59:15,415 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2024-11-08 22:59:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 22:59:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:59:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 22:59:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:59:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:59:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:59:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 22:59:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:59:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 22:59:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:59:15,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:59:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2024-11-08 22:59:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2024-11-08 22:59:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:59:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_107 [2024-11-08 22:59:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_107 [2024-11-08 22:59:15,606 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:59:15,608 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:59:16,289 INFO L? ?]: Removed 156 outVars from TransFormulas that were not future-live. [2024-11-08 22:59:16,289 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:59:16,529 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:59:16,530 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:59:16,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:59:16 BoogieIcfgContainer [2024-11-08 22:59:16,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:59:16,532 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:59:16,532 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:59:16,543 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:59:16,543 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:59:16" (1/1) ... [2024-11-08 22:59:16,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:59:16,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:16,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 68 states and 104 transitions. [2024-11-08 22:59:16,606 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 104 transitions. [2024-11-08 22:59:16,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:59:16,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:16,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:59:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:17,153 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 22:59:17,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:17,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 66 states and 101 transitions. [2024-11-08 22:59:17,223 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 101 transitions. [2024-11-08 22:59:17,224 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:59:17,226 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-08 22:59:17,236 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 22:59:17,314 INFO L77 FloydHoareUtils]: At program point Id_MCDC_113EXIT(lines 305 324) the Hoare annotation is: true [2024-11-08 22:59:17,315 INFO L77 FloydHoareUtils]: At program point L313(lines 313 320) the Hoare annotation is: true [2024-11-08 22:59:17,315 INFO L77 FloydHoareUtils]: At program point L280(lines 280 294) the Hoare annotation is: true [2024-11-08 22:59:17,315 INFO L77 FloydHoareUtils]: At program point L313-2(lines 313 320) the Hoare annotation is: true [2024-11-08 22:59:17,315 INFO L77 FloydHoareUtils]: At program point L309(lines 309 312) the Hoare annotation is: true [2024-11-08 22:59:17,315 INFO L77 FloydHoareUtils]: At program point L297(line 297) the Hoare annotation is: true [2024-11-08 22:59:17,316 INFO L77 FloydHoareUtils]: At program point L297-1(line 297) the Hoare annotation is: true [2024-11-08 22:59:17,316 INFO L77 FloydHoareUtils]: At program point L487(lines 487 490) the Hoare annotation is: (= |Id_MCDC_113___VERIFIER_assert_~Id_MCDC_121#1| 1) [2024-11-08 22:59:17,316 INFO L75 FloydHoareUtils]: For program point Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION(line 489) no Hoare annotation was computed. [2024-11-08 22:59:17,316 INFO L77 FloydHoareUtils]: At program point L487-2(lines 485 492) the Hoare annotation is: true [2024-11-08 22:59:17,317 INFO L77 FloydHoareUtils]: At program point L322(line 322) the Hoare annotation is: true [2024-11-08 22:59:17,317 INFO L77 FloydHoareUtils]: At program point L322-1(line 322) the Hoare annotation is: true [2024-11-08 22:59:17,317 INFO L77 FloydHoareUtils]: At program point Id_MCDC_113FINAL(lines 305 324) the Hoare annotation is: true [2024-11-08 22:59:17,317 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 305 324) the Hoare annotation is: true [2024-11-08 22:59:17,317 INFO L77 FloydHoareUtils]: At program point L286(lines 286 294) the Hoare annotation is: true [2024-11-08 22:59:17,317 INFO L77 FloydHoareUtils]: At program point L315(line 315) the Hoare annotation is: true [2024-11-08 22:59:17,319 INFO L77 FloydHoareUtils]: At program point L315-1(line 315) the Hoare annotation is: true [2024-11-08 22:59:17,319 INFO L77 FloydHoareUtils]: At program point Id_MCDC_110_returnLabel#1(lines 274 304) the Hoare annotation is: true [2024-11-08 22:59:17,319 INFO L75 FloydHoareUtils]: For program point L489(line 489) no Hoare annotation was computed. [2024-11-08 22:59:17,319 INFO L77 FloydHoareUtils]: At program point L295(lines 295 302) the Hoare annotation is: true [2024-11-08 22:59:17,320 INFO L77 FloydHoareUtils]: At program point L295-2(lines 295 302) the Hoare annotation is: true [2024-11-08 22:59:17,320 INFO L77 FloydHoareUtils]: At program point L295-3(lines 295 302) the Hoare annotation is: true [2024-11-08 22:59:17,320 INFO L77 FloydHoareUtils]: At program point L333-1(lines 333 340) the Hoare annotation is: true [2024-11-08 22:59:17,320 INFO L77 FloydHoareUtils]: At program point L333-3(lines 333 340) the Hoare annotation is: true [2024-11-08 22:59:17,321 INFO L77 FloydHoareUtils]: At program point L333-4(lines 333 340) the Hoare annotation is: true [2024-11-08 22:59:17,321 INFO L77 FloydHoareUtils]: At program point L383-1(lines 383 421) the Hoare annotation is: true [2024-11-08 22:59:17,321 INFO L77 FloydHoareUtils]: At program point L383-3(lines 383 421) the Hoare annotation is: true [2024-11-08 22:59:17,321 INFO L77 FloydHoareUtils]: At program point L442(line 442) the Hoare annotation is: true [2024-11-08 22:59:17,322 INFO L77 FloydHoareUtils]: At program point L401-1(lines 401 418) the Hoare annotation is: true [2024-11-08 22:59:17,322 INFO L77 FloydHoareUtils]: At program point L401-3(lines 401 418) the Hoare annotation is: true [2024-11-08 22:59:17,322 INFO L77 FloydHoareUtils]: At program point L401-4(lines 401 418) the Hoare annotation is: true [2024-11-08 22:59:17,322 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:59:17,323 INFO L77 FloydHoareUtils]: At program point L377-1(lines 377 380) the Hoare annotation is: true [2024-11-08 22:59:17,323 INFO L77 FloydHoareUtils]: At program point L377-3(lines 377 380) the Hoare annotation is: true [2024-11-08 22:59:17,323 INFO L77 FloydHoareUtils]: At program point L377-4(lines 357 424) the Hoare annotation is: true [2024-11-08 22:59:17,324 INFO L77 FloydHoareUtils]: At program point L336(lines 336 339) the Hoare annotation is: true [2024-11-08 22:59:17,324 INFO L77 FloydHoareUtils]: At program point L452(lines 452 484) the Hoare annotation is: true [2024-11-08 22:59:17,325 INFO L77 FloydHoareUtils]: At program point L386(line 386) the Hoare annotation is: true [2024-11-08 22:59:17,325 INFO L77 FloydHoareUtils]: At program point L386-1(lines 386 389) the Hoare annotation is: true [2024-11-08 22:59:17,325 INFO L77 FloydHoareUtils]: At program point L403(line 403) the Hoare annotation is: true [2024-11-08 22:59:17,326 INFO L77 FloydHoareUtils]: At program point L403-1(lines 403 406) the Hoare annotation is: true [2024-11-08 22:59:17,326 INFO L77 FloydHoareUtils]: At program point L329(lines 329 332) the Hoare annotation is: true [2024-11-08 22:59:17,326 INFO L77 FloydHoareUtils]: At program point L478(lines 478 481) the Hoare annotation is: true [2024-11-08 22:59:17,326 INFO L77 FloydHoareUtils]: At program point L396(line 396) the Hoare annotation is: true [2024-11-08 22:59:17,326 INFO L77 FloydHoareUtils]: At program point L396-1(lines 396 399) the Hoare annotation is: true [2024-11-08 22:59:17,326 INFO L77 FloydHoareUtils]: At program point Id_MCDC_114_returnLabel#1(lines 325 355) the Hoare annotation is: true [2024-11-08 22:59:17,327 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:59:17,327 INFO L77 FloydHoareUtils]: At program point Id_MCDC_115_returnLabel#1(lines 356 424) the Hoare annotation is: true [2024-11-08 22:59:17,327 INFO L77 FloydHoareUtils]: At program point L414(lines 414 417) the Hoare annotation is: true [2024-11-08 22:59:17,327 INFO L77 FloydHoareUtils]: At program point L381(lines 381 422) the Hoare annotation is: true [2024-11-08 22:59:17,327 INFO L77 FloydHoareUtils]: At program point L431-1(lines 431 441) the Hoare annotation is: true [2024-11-08 22:59:17,328 INFO L77 FloydHoareUtils]: At program point L431-3(lines 431 441) the Hoare annotation is: true [2024-11-08 22:59:17,329 INFO L77 FloydHoareUtils]: At program point L431-4(lines 431 441) the Hoare annotation is: true [2024-11-08 22:59:17,329 INFO L77 FloydHoareUtils]: At program point L390(line 390) the Hoare annotation is: true [2024-11-08 22:59:17,330 INFO L77 FloydHoareUtils]: At program point L390-1(lines 390 393) the Hoare annotation is: true [2024-11-08 22:59:17,330 INFO L77 FloydHoareUtils]: At program point avoid_zeroEXIT(lines 9 15) the Hoare annotation is: true [2024-11-08 22:59:17,330 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: true [2024-11-08 22:59:17,330 INFO L77 FloydHoareUtils]: At program point Id_MCDC_107FINAL(lines 218 273) the Hoare annotation is: true [2024-11-08 22:59:17,330 INFO L77 FloydHoareUtils]: At program point L251-1(lines 251 258) the Hoare annotation is: true [2024-11-08 22:59:17,331 INFO L77 FloydHoareUtils]: At program point L251-3(lines 251 258) the Hoare annotation is: true [2024-11-08 22:59:17,331 INFO L77 FloydHoareUtils]: At program point L251-4(lines 251 258) the Hoare annotation is: true [2024-11-08 22:59:17,332 INFO L77 FloydHoareUtils]: At program point L227(lines 227 233) the Hoare annotation is: true [2024-11-08 22:59:17,333 INFO L77 FloydHoareUtils]: At program point L227-2(lines 219 273) the Hoare annotation is: true [2024-11-08 22:59:17,333 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 218 273) the Hoare annotation is: true [2024-11-08 22:59:17,333 INFO L77 FloydHoareUtils]: At program point L229(lines 229 232) the Hoare annotation is: true [2024-11-08 22:59:17,333 INFO L77 FloydHoareUtils]: At program point L254(lines 254 257) the Hoare annotation is: true [2024-11-08 22:59:17,333 INFO L77 FloydHoareUtils]: At program point L223(lines 223 226) the Hoare annotation is: true [2024-11-08 22:59:17,333 INFO L77 FloydHoareUtils]: At program point Id_MCDC_107EXIT(lines 218 273) the Hoare annotation is: true [2024-11-08 22:59:17,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:59:17 ImpRootNode [2024-11-08 22:59:17,359 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:59:17,360 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:59:17,360 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:59:17,361 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:59:17,361 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:59:16" (3/4) ... [2024-11-08 22:59:17,364 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:59:17,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_113 [2024-11-08 22:59:17,368 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2024-11-08 22:59:17,368 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_107 [2024-11-08 22:59:17,383 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 83 nodes and edges [2024-11-08 22:59:17,385 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-11-08 22:59:17,386 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-08 22:59:17,387 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 22:59:17,388 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:59:17,388 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:59:17,623 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a782be05-374f-401b-8663-ae99029c2ded/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:59:17,623 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a782be05-374f-401b-8663-ae99029c2ded/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:59:17,623 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:59:17,628 INFO L158 Benchmark]: Toolchain (without parser) took 3045.99ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 127.7MB in the beginning and 156.1MB in the end (delta: -28.4MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. [2024-11-08 22:59:17,629 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 121.6MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:59:17,629 INFO L158 Benchmark]: CACSL2BoogieTranslator took 580.69ms. Allocated memory is still 161.5MB. Free memory was 127.2MB in the beginning and 117.7MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:59:17,629 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.34ms. Allocated memory is still 161.5MB. Free memory was 117.7MB in the beginning and 114.3MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:59:17,630 INFO L158 Benchmark]: Boogie Preprocessor took 91.33ms. Allocated memory is still 161.5MB. Free memory was 114.3MB in the beginning and 110.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:59:17,630 INFO L158 Benchmark]: RCFGBuilder took 1202.47ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 110.7MB in the beginning and 134.6MB in the end (delta: -23.9MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2024-11-08 22:59:17,635 INFO L158 Benchmark]: CodeCheck took 827.74ms. Allocated memory is still 195.0MB. Free memory was 134.6MB in the beginning and 93.8MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-08 22:59:17,635 INFO L158 Benchmark]: Witness Printer took 267.42ms. Allocated memory is still 195.0MB. Free memory was 93.8MB in the beginning and 156.1MB in the end (delta: -62.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:59:17,637 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 4 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 44 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 163 GetRequests, 161 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 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: 489]: 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 - ProcedureContractResult [Line: 305]: Procedure Contract for Id_MCDC_113 Derived contract for procedure Id_MCDC_113. Ensures: (((((((((((Id_MCDC_122 == \old(Id_MCDC_122)) && (Id_MCDC_123 == \old(Id_MCDC_123))) && (Id_MCDC_124 == \old(Id_MCDC_124))) && (Id_MCDC_125 == \old(Id_MCDC_125))) && (Id_MCDC_126 == \old(Id_MCDC_126))) && (Id_MCDC_127 == \old(Id_MCDC_127))) && (Id_MCDC_128 == \old(Id_MCDC_128))) && (Id_MCDC_129 == \old(Id_MCDC_129))) && (Id_MCDC_130 == \old(Id_MCDC_130))) && (Id_MCDC_131 == \old(Id_MCDC_131))) && (Id_MCDC_132 == \old(Id_MCDC_132))) - ProcedureContractResult [Line: 9]: Procedure Contract for avoid_zero Derived contract for procedure avoid_zero. Ensures: (((((((((((Id_MCDC_122 == \old(Id_MCDC_122)) && (Id_MCDC_123 == \old(Id_MCDC_123))) && (Id_MCDC_124 == \old(Id_MCDC_124))) && (Id_MCDC_125 == \old(Id_MCDC_125))) && (Id_MCDC_126 == \old(Id_MCDC_126))) && (Id_MCDC_127 == \old(Id_MCDC_127))) && (Id_MCDC_128 == \old(Id_MCDC_128))) && (Id_MCDC_129 == \old(Id_MCDC_129))) && (Id_MCDC_130 == \old(Id_MCDC_130))) && (Id_MCDC_131 == \old(Id_MCDC_131))) && (Id_MCDC_132 == \old(Id_MCDC_132))) - ProcedureContractResult [Line: 218]: Procedure Contract for Id_MCDC_107 Derived contract for procedure Id_MCDC_107. Ensures: (((((((((((Id_MCDC_122 == \old(Id_MCDC_122)) && (Id_MCDC_123 == \old(Id_MCDC_123))) && (Id_MCDC_124 == \old(Id_MCDC_124))) && (Id_MCDC_125 == \old(Id_MCDC_125))) && (Id_MCDC_126 == \old(Id_MCDC_126))) && (Id_MCDC_127 == \old(Id_MCDC_127))) && (Id_MCDC_128 == \old(Id_MCDC_128))) && (Id_MCDC_129 == \old(Id_MCDC_129))) && (Id_MCDC_130 == \old(Id_MCDC_130))) && (Id_MCDC_131 == \old(Id_MCDC_131))) && (Id_MCDC_132 == \old(Id_MCDC_132))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 121.6MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 580.69ms. Allocated memory is still 161.5MB. Free memory was 127.2MB in the beginning and 117.7MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.34ms. Allocated memory is still 161.5MB. Free memory was 117.7MB in the beginning and 114.3MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.33ms. Allocated memory is still 161.5MB. Free memory was 114.3MB in the beginning and 110.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1202.47ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 110.7MB in the beginning and 134.6MB in the end (delta: -23.9MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. * CodeCheck took 827.74ms. Allocated memory is still 195.0MB. Free memory was 134.6MB in the beginning and 93.8MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 267.42ms. Allocated memory is still 195.0MB. Free memory was 93.8MB in the beginning and 156.1MB in the end (delta: -62.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 22:59:17,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a782be05-374f-401b-8663-ae99029c2ded/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE