./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/addsub_float_exact.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_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/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_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_float_exact.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/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_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/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 a554664720339a35a3ec026865ea1b6c4e0d3f983b8a3fb49a87ef117f533cd5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:27:56,054 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:27:56,152 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:27:56,158 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:27:56,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:27:56,215 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:27:56,219 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:27:56,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:27:56,221 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:27:56,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:27:56,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:27:56,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:27:56,223 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:27:56,223 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:27:56,225 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:27:56,226 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:27:56,226 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:27:56,226 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:27:56,227 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:27:56,227 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:27:56,227 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:27:56,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:27:56,232 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:27:56,232 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:27:56,232 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:27:56,232 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:27:56,233 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:27:56,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:27:56,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:27:56,234 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:27:56,246 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:27:56,246 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:27:56,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:27:56,247 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_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a554664720339a35a3ec026865ea1b6c4e0d3f983b8a3fb49a87ef117f533cd5 [2024-11-08 23:27:56,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:27:56,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:27:56,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:27:56,577 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:27:56,577 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:27:56,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/addsub_float_exact.c Unable to find full path for "g++" [2024-11-08 23:27:58,626 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:27:58,793 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:27:58,793 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/sv-benchmarks/c/float-benchs/addsub_float_exact.c [2024-11-08 23:27:58,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/data/f0ab3b510/188f683bcf094a759893d54ce54b4df6/FLAG5b6ecaea8 [2024-11-08 23:27:58,814 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/data/f0ab3b510/188f683bcf094a759893d54ce54b4df6 [2024-11-08 23:27:58,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:27:58,817 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:27:58,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:27:58,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:27:58,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:27:58,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:27:58" (1/1) ... [2024-11-08 23:27:58,826 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c24d18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:58, skipping insertion in model container [2024-11-08 23:27:58,826 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:27:58" (1/1) ... [2024-11-08 23:27:58,846 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:27:59,068 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_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/sv-benchmarks/c/float-benchs/addsub_float_exact.c[392,405] [2024-11-08 23:27:59,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:27:59,086 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:27:59,096 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_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/sv-benchmarks/c/float-benchs/addsub_float_exact.c[392,405] [2024-11-08 23:27:59,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:27:59,113 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:27:59,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:59 WrapperNode [2024-11-08 23:27:59,113 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:27:59,114 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:27:59,114 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:27:59,114 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:27:59,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:59" (1/1) ... [2024-11-08 23:27:59,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:59" (1/1) ... [2024-11-08 23:27:59,144 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2024-11-08 23:27:59,145 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:27:59,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:27:59,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:27:59,146 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:27:59,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:59" (1/1) ... [2024-11-08 23:27:59,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:59" (1/1) ... [2024-11-08 23:27:59,153 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:59" (1/1) ... [2024-11-08 23:27:59,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:59" (1/1) ... [2024-11-08 23:27:59,157 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:59" (1/1) ... [2024-11-08 23:27:59,159 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:59" (1/1) ... [2024-11-08 23:27:59,159 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:59" (1/1) ... [2024-11-08 23:27:59,160 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:59" (1/1) ... [2024-11-08 23:27:59,161 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:27:59,162 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:27:59,162 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:27:59,163 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:27:59,163 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:27:59" (1/1) ... [2024-11-08 23:27:59,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:27:59,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:27:59,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:27:59,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:27:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:27:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:27:59,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:27:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:27:59,288 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:27:59,289 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:27:59,367 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 23:27:59,367 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:27:59,395 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:27:59,396 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:27:59,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:27:59 BoogieIcfgContainer [2024-11-08 23:27:59,397 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:27:59,397 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:27:59,398 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:27:59,408 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:27:59,409 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:27:59" (1/1) ... [2024-11-08 23:27:59,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:27:59,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:27:59,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-08 23:27:59,476 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-08 23:27:59,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:27:59,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:27:59,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:27:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:27:59,574 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:27:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:27:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:27:59,644 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:27:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:27:59,663 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:27:59,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:27:59 ImpRootNode [2024-11-08 23:27:59,685 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:27:59,685 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:27:59,686 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:27:59,686 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:27:59,686 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:27:59" (3/4) ... [2024-11-08 23:27:59,689 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:27:59,690 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:27:59,691 INFO L158 Benchmark]: Toolchain (without parser) took 873.20ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 63.1MB in the beginning and 117.5MB in the end (delta: -54.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:27:59,691 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 125.8MB. Free memory is still 98.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:27:59,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.73ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 63.0MB in the beginning and 141.8MB in the end (delta: -78.8MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-11-08 23:27:59,693 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.76ms. Allocated memory is still 180.4MB. Free memory was 141.2MB in the beginning and 140.3MB in the end (delta: 891.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:27:59,694 INFO L158 Benchmark]: Boogie Preprocessor took 16.20ms. Allocated memory is still 180.4MB. Free memory was 140.3MB in the beginning and 139.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:27:59,694 INFO L158 Benchmark]: RCFGBuilder took 234.45ms. Allocated memory is still 180.4MB. Free memory was 139.1MB in the beginning and 129.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:27:59,695 INFO L158 Benchmark]: CodeCheck took 287.35ms. Allocated memory is still 180.4MB. Free memory was 129.2MB in the beginning and 118.1MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:27:59,696 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 180.4MB. Free memory was 118.1MB in the beginning and 117.5MB in the end (delta: 616.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:27:59,700 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - UnprovableResult [Line: 6]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 16, overapproximation of someBinaryArithmeticFLOAToperation at line 13. Possible FailurePath: [L10] float x, y, z, r; [L12] x = 1e7f [L13] y = x + 1.f [L14] z = x - 1.f [L15] r = y - z [L16] CALL __VERIFIER_assert(r == 2.f) [L6] COND TRUE !(cond) [L6] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 125.8MB. Free memory is still 98.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.73ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 63.0MB in the beginning and 141.8MB in the end (delta: -78.8MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.76ms. Allocated memory is still 180.4MB. Free memory was 141.2MB in the beginning and 140.3MB in the end (delta: 891.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.20ms. Allocated memory is still 180.4MB. Free memory was 140.3MB in the beginning and 139.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 234.45ms. Allocated memory is still 180.4MB. Free memory was 139.1MB in the beginning and 129.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 287.35ms. Allocated memory is still 180.4MB. Free memory was 129.2MB in the beginning and 118.1MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 180.4MB. Free memory was 118.1MB in the beginning and 117.5MB in the end (delta: 616.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:27:59,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/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_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_float_exact.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/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 a554664720339a35a3ec026865ea1b6c4e0d3f983b8a3fb49a87ef117f533cd5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:28:02,077 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:28:02,168 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:28:02,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:28:02,210 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:28:02,211 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:28:02,212 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:28:02,213 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:28:02,214 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:28:02,215 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:28:02,215 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:28:02,216 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:28:02,216 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:28:02,217 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:28:02,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:28:02,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:28:02,221 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:28:02,222 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:28:02,222 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:28:02,222 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:28:02,223 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:28:02,225 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:28:02,225 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:28:02,225 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:28:02,226 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:28:02,226 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:28:02,226 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:02,227 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:28:02,227 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:28:02,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:28:02,228 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:28:02,228 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:28:02,228 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:28:02,229 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:28:02,229 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:02,229 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:28:02,230 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_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a554664720339a35a3ec026865ea1b6c4e0d3f983b8a3fb49a87ef117f533cd5 [2024-11-08 23:28:02,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:28:02,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:28:02,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:28:02,665 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:28:02,666 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:28:02,667 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/addsub_float_exact.c Unable to find full path for "g++" [2024-11-08 23:28:04,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:28:04,979 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:28:04,979 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/sv-benchmarks/c/float-benchs/addsub_float_exact.c [2024-11-08 23:28:04,984 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/data/61330fb36/6fe28dc67ae24000ace5573a67f02e76/FLAGfc9e555d3 [2024-11-08 23:28:05,021 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/data/61330fb36/6fe28dc67ae24000ace5573a67f02e76 [2024-11-08 23:28:05,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:28:05,025 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:28:05,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:28:05,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:28:05,032 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:28:05,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:28:05" (1/1) ... [2024-11-08 23:28:05,034 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1472cd04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:05, skipping insertion in model container [2024-11-08 23:28:05,034 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:28:05" (1/1) ... [2024-11-08 23:28:05,051 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:28:05,211 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_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/sv-benchmarks/c/float-benchs/addsub_float_exact.c[392,405] [2024-11-08 23:28:05,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:28:05,244 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:28:05,258 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_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/sv-benchmarks/c/float-benchs/addsub_float_exact.c[392,405] [2024-11-08 23:28:05,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:28:05,290 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:28:05,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:05 WrapperNode [2024-11-08 23:28:05,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:28:05,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:28:05,295 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:28:05,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:28:05,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:05" (1/1) ... [2024-11-08 23:28:05,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:05" (1/1) ... [2024-11-08 23:28:05,331 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2024-11-08 23:28:05,332 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:28:05,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:28:05,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:28:05,335 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:28:05,343 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:05" (1/1) ... [2024-11-08 23:28:05,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:05" (1/1) ... [2024-11-08 23:28:05,345 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:05" (1/1) ... [2024-11-08 23:28:05,345 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:05" (1/1) ... [2024-11-08 23:28:05,355 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:05" (1/1) ... [2024-11-08 23:28:05,361 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:05" (1/1) ... [2024-11-08 23:28:05,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:05" (1/1) ... [2024-11-08 23:28:05,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:05" (1/1) ... [2024-11-08 23:28:05,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:28:05,373 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:28:05,373 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:28:05,373 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:28:05,374 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:28:05" (1/1) ... [2024-11-08 23:28:05,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:28:05,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:28:05,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:28:05,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:28:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:28:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:28:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:28:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:28:05,531 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:28:05,533 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:28:05,862 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-08 23:28:05,862 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:28:05,935 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:28:05,935 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:28:05,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:28:05 BoogieIcfgContainer [2024-11-08 23:28:05,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:28:05,936 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:28:05,937 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:28:05,947 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:28:05,947 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:28:05" (1/1) ... [2024-11-08 23:28:05,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:28:06,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:06,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-08 23:28:06,014 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-08 23:28:06,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:28:06,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:06,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:06,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:28:06,020 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:28:06,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:28:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:06,099 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:28:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:06,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:28:06,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:28:06,226 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 23:28:06,228 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:28:06,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:28:06,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:06,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-08 23:28:06,285 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-08 23:28:06,287 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:28:06,287 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-08 23:28:06,295 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 23:28:06,315 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:28:06,315 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2024-11-08 23:28:06,316 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:28:06,316 INFO L77 FloydHoareUtils]: At program point L6(line 6) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|) [2024-11-08 23:28:06,316 INFO L75 FloydHoareUtils]: For program point L6-1(line 6) no Hoare annotation was computed. [2024-11-08 23:28:06,316 INFO L77 FloydHoareUtils]: At program point L6-3(line 6) the Hoare annotation is: true [2024-11-08 23:28:06,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:28:06 ImpRootNode [2024-11-08 23:28:06,324 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:28:06,325 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:28:06,325 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:28:06,326 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:28:06,327 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:28:05" (3/4) ... [2024-11-08 23:28:06,329 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:28:06,335 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-08 23:28:06,338 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-08 23:28:06,338 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 23:28:06,338 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:28:06,427 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:28:06,428 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:28:06,428 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:28:06,430 INFO L158 Benchmark]: Toolchain (without parser) took 1403.79ms. Allocated memory is still 75.5MB. Free memory was 54.6MB in the beginning and 33.6MB in the end (delta: 21.0MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-11-08 23:28:06,431 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 75.5MB. Free memory was 51.3MB in the beginning and 51.3MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:28:06,435 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.94ms. Allocated memory is still 75.5MB. Free memory was 54.6MB in the beginning and 42.0MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:28:06,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.24ms. Allocated memory is still 75.5MB. Free memory was 42.0MB in the beginning and 40.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:28:06,435 INFO L158 Benchmark]: Boogie Preprocessor took 39.15ms. Allocated memory is still 75.5MB. Free memory was 40.4MB in the beginning and 39.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:28:06,436 INFO L158 Benchmark]: RCFGBuilder took 562.79ms. Allocated memory is still 75.5MB. Free memory was 39.1MB in the beginning and 52.1MB in the end (delta: -13.0MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-11-08 23:28:06,436 INFO L158 Benchmark]: CodeCheck took 387.76ms. Allocated memory is still 75.5MB. Free memory was 52.1MB in the beginning and 37.5MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:28:06,437 INFO L158 Benchmark]: Witness Printer took 103.61ms. Allocated memory is still 75.5MB. Free memory was 37.5MB in the beginning and 33.6MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:28:06,439 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 1 NumberOfNonLiveVariables, 16 ConjunctsInSsa, 2 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: 6]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 75.5MB. Free memory was 51.3MB in the beginning and 51.3MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.94ms. Allocated memory is still 75.5MB. Free memory was 54.6MB in the beginning and 42.0MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.24ms. Allocated memory is still 75.5MB. Free memory was 42.0MB in the beginning and 40.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.15ms. Allocated memory is still 75.5MB. Free memory was 40.4MB in the beginning and 39.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 562.79ms. Allocated memory is still 75.5MB. Free memory was 39.1MB in the beginning and 52.1MB in the end (delta: -13.0MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * CodeCheck took 387.76ms. Allocated memory is still 75.5MB. Free memory was 52.1MB in the beginning and 37.5MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 103.61ms. Allocated memory is still 75.5MB. Free memory was 37.5MB in the beginning and 33.6MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 23:28:06,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ce4d17d-be5b-4274-a34f-0654be1bf7aa/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