./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/addsub_double_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_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/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_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_double_exact.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/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_7c26402d-259b-45e6-bfc3-7f9b1db08e36/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 f4d7a62ffde252cff873ff489678769664732fba2c78998e7abea39f2d3f98ac --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:38:26,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:38:26,685 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:38:26,691 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:38:26,693 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:38:26,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:38:26,730 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:38:26,731 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:38:26,732 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:38:26,733 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:38:26,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:38:26,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:38:26,735 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:38:26,737 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:38:26,738 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:38:26,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:38:26,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:38:26,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:38:26,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:38:26,739 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:38:26,740 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:38:26,744 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:38:26,744 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:38:26,745 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:38:26,745 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:38:26,745 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:38:26,746 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:38:26,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:38:26,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:38:26,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:38:26,747 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:38:26,747 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:38:26,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:38:26,748 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_7c26402d-259b-45e6-bfc3-7f9b1db08e36/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4d7a62ffde252cff873ff489678769664732fba2c78998e7abea39f2d3f98ac [2024-11-08 19:38:27,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:38:27,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:38:27,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:38:27,127 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:38:27,129 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:38:27,130 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/addsub_double_exact.c Unable to find full path for "g++" [2024-11-08 19:38:29,066 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:38:29,270 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:38:29,271 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/sv-benchmarks/c/float-benchs/addsub_double_exact.c [2024-11-08 19:38:29,279 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk/data/e1089d834/da800346bffe4ee6aea9fab3cced0ee0/FLAGdb3f0ce83 [2024-11-08 19:38:29,295 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk/data/e1089d834/da800346bffe4ee6aea9fab3cced0ee0 [2024-11-08 19:38:29,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:38:29,300 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:38:29,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:38:29,304 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:38:29,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:38:29,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:38:29" (1/1) ... [2024-11-08 19:38:29,312 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69767858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:29, skipping insertion in model container [2024-11-08 19:38:29,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:38:29" (1/1) ... [2024-11-08 19:38:29,337 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:38:29,608 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_7c26402d-259b-45e6-bfc3-7f9b1db08e36/sv-benchmarks/c/float-benchs/addsub_double_exact.c[393,406] [2024-11-08 19:38:29,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:38:29,634 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:38:29,647 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_7c26402d-259b-45e6-bfc3-7f9b1db08e36/sv-benchmarks/c/float-benchs/addsub_double_exact.c[393,406] [2024-11-08 19:38:29,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:38:29,670 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:38:29,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:29 WrapperNode [2024-11-08 19:38:29,671 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:38:29,672 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:38:29,673 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:38:29,673 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:38:29,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:29" (1/1) ... [2024-11-08 19:38:29,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:29" (1/1) ... [2024-11-08 19:38:29,707 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2024-11-08 19:38:29,708 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:38:29,709 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:38:29,709 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:38:29,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:38:29,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:29" (1/1) ... [2024-11-08 19:38:29,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:29" (1/1) ... [2024-11-08 19:38:29,720 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:29" (1/1) ... [2024-11-08 19:38:29,721 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:29" (1/1) ... [2024-11-08 19:38:29,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:29" (1/1) ... [2024-11-08 19:38:29,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:29" (1/1) ... [2024-11-08 19:38:29,728 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:29" (1/1) ... [2024-11-08 19:38:29,729 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:29" (1/1) ... [2024-11-08 19:38:29,735 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:38:29,736 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:38:29,736 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:38:29,736 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:38:29,737 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:29" (1/1) ... [2024-11-08 19:38:29,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:38:29,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:38:29,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:38:29,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:38:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:38:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:38:29,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:38:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:38:29,908 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:38:29,911 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:38:30,048 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 19:38:30,048 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:38:30,085 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:38:30,085 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:38:30,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:38:30 BoogieIcfgContainer [2024-11-08 19:38:30,086 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:38:30,087 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:38:30,087 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:38:30,097 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:38:30,098 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:38:30" (1/1) ... [2024-11-08 19:38:30,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:38:30,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:38:30,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-08 19:38:30,169 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-08 19:38:30,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 19:38:30,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:38:30,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:38:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:38:30,288 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:38:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:38:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:38:30,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:38:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:38:30,375 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:38:30,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:38:30 ImpRootNode [2024-11-08 19:38:30,399 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:38:30,403 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:38:30,403 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:38:30,403 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:38:30,405 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:38:30" (3/4) ... [2024-11-08 19:38:30,409 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:38:30,411 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:38:30,412 INFO L158 Benchmark]: Toolchain (without parser) took 1112.62ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 69.3MB in the beginning and 127.5MB in the end (delta: -58.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:38:30,413 INFO L158 Benchmark]: CDTParser took 0.82ms. Allocated memory is still 134.2MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:38:30,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.13ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 69.1MB in the beginning and 141.1MB in the end (delta: -72.0MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2024-11-08 19:38:30,416 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.13ms. Allocated memory is still 174.1MB. Free memory was 141.1MB in the beginning and 139.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:38:30,417 INFO L158 Benchmark]: Boogie Preprocessor took 26.22ms. Allocated memory is still 174.1MB. Free memory was 139.0MB in the beginning and 138.1MB in the end (delta: 896.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:38:30,418 INFO L158 Benchmark]: RCFGBuilder took 349.88ms. Allocated memory is still 174.1MB. Free memory was 138.1MB in the beginning and 139.1MB in the end (delta: -988.6kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 19:38:30,419 INFO L158 Benchmark]: CodeCheck took 313.24ms. Allocated memory is still 174.1MB. Free memory was 139.1MB in the beginning and 128.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 19:38:30,420 INFO L158 Benchmark]: Witness Printer took 8.20ms. Allocated memory is still 174.1MB. Free memory was 128.6MB in the beginning and 127.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:38:30,425 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: 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 someBinaryDOUBLEComparisonOperation at line 16, overapproximation of someBinaryArithmeticDOUBLEoperation at line 13. Possible FailurePath: [L10] double x, y, z, r; [L12] x = 1e8 [L13] y = x + 1 [L14] z = x - 1 [L15] r = y - z [L16] CALL __VERIFIER_assert(r == 2.) [L6] COND TRUE !(cond) [L6] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82ms. Allocated memory is still 134.2MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.13ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 69.1MB in the beginning and 141.1MB in the end (delta: -72.0MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.13ms. Allocated memory is still 174.1MB. Free memory was 141.1MB in the beginning and 139.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.22ms. Allocated memory is still 174.1MB. Free memory was 139.0MB in the beginning and 138.1MB in the end (delta: 896.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 349.88ms. Allocated memory is still 174.1MB. Free memory was 138.1MB in the beginning and 139.1MB in the end (delta: -988.6kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 313.24ms. Allocated memory is still 174.1MB. Free memory was 139.1MB in the beginning and 128.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 8.20ms. Allocated memory is still 174.1MB. Free memory was 128.6MB in the beginning and 127.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:38:30,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/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_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/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_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_double_exact.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/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_7c26402d-259b-45e6-bfc3-7f9b1db08e36/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 f4d7a62ffde252cff873ff489678769664732fba2c78998e7abea39f2d3f98ac --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:38:32,924 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:38:33,039 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 19:38:33,090 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:38:33,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:38:33,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:38:33,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:38:33,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:38:33,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:38:33,095 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:38:33,096 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:38:33,096 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:38:33,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:38:33,098 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:38:33,102 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:38:33,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:38:33,103 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:38:33,103 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:38:33,103 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:38:33,103 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:38:33,104 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:38:33,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:38:33,104 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:38:33,105 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:38:33,105 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:38:33,105 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:38:33,105 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:38:33,106 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:38:33,106 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:38:33,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:38:33,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:38:33,107 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:38:33,107 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:38:33,110 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:38:33,110 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:38:33,111 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:38:33,111 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_7c26402d-259b-45e6-bfc3-7f9b1db08e36/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4d7a62ffde252cff873ff489678769664732fba2c78998e7abea39f2d3f98ac [2024-11-08 19:38:33,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:38:33,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:38:33,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:38:33,559 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:38:33,560 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:38:33,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/addsub_double_exact.c Unable to find full path for "g++" [2024-11-08 19:38:35,782 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:38:36,011 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:38:36,012 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/sv-benchmarks/c/float-benchs/addsub_double_exact.c [2024-11-08 19:38:36,021 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk/data/e914e9408/4722c570bb1a4e1cb810d9bb656199dd/FLAGd1ee63215 [2024-11-08 19:38:36,394 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk/data/e914e9408/4722c570bb1a4e1cb810d9bb656199dd [2024-11-08 19:38:36,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:38:36,398 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:38:36,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:38:36,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:38:36,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:38:36,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:38:36" (1/1) ... [2024-11-08 19:38:36,408 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18c0d504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:36, skipping insertion in model container [2024-11-08 19:38:36,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:38:36" (1/1) ... [2024-11-08 19:38:36,427 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:38:36,629 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_7c26402d-259b-45e6-bfc3-7f9b1db08e36/sv-benchmarks/c/float-benchs/addsub_double_exact.c[393,406] [2024-11-08 19:38:36,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:38:36,654 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:38:36,667 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_7c26402d-259b-45e6-bfc3-7f9b1db08e36/sv-benchmarks/c/float-benchs/addsub_double_exact.c[393,406] [2024-11-08 19:38:36,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:38:36,688 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:38:36,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:36 WrapperNode [2024-11-08 19:38:36,689 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:38:36,690 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:38:36,690 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:38:36,690 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:38:36,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:36" (1/1) ... [2024-11-08 19:38:36,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:36" (1/1) ... [2024-11-08 19:38:36,723 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2024-11-08 19:38:36,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:38:36,725 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:38:36,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:38:36,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:38:36,734 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:36" (1/1) ... [2024-11-08 19:38:36,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:36" (1/1) ... [2024-11-08 19:38:36,737 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:36" (1/1) ... [2024-11-08 19:38:36,737 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:36" (1/1) ... [2024-11-08 19:38:36,746 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:36" (1/1) ... [2024-11-08 19:38:36,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:36" (1/1) ... [2024-11-08 19:38:36,749 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:36" (1/1) ... [2024-11-08 19:38:36,750 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:36" (1/1) ... [2024-11-08 19:38:36,753 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:38:36,754 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:38:36,754 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:38:36,754 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:38:36,759 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:36" (1/1) ... [2024-11-08 19:38:36,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:38:36,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:38:36,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:38:36,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:38:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:38:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:38:36,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:38:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 19:38:36,904 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:38:36,906 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:38:37,603 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-08 19:38:37,603 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:38:37,670 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:38:37,670 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:38:37,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:38:37 BoogieIcfgContainer [2024-11-08 19:38:37,671 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:38:37,672 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:38:37,672 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:38:37,682 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:38:37,683 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:38:37" (1/1) ... [2024-11-08 19:38:37,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:38:37,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:38:37,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-08 19:38:37,757 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-08 19:38:37,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 19:38:37,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:38:37,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:38:37,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:38:37,764 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:38:37,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:38:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:38:37,842 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:38:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:38:37,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:38:37,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:38:38,060 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 19:38:38,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 19:38:38,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:38:38,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-08 19:38:38,119 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-08 19:38:38,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 19:38:38,119 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-08 19:38:38,128 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 19:38:38,145 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 19:38:38,146 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2024-11-08 19:38:38,146 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 19:38:38,147 INFO L77 FloydHoareUtils]: At program point L6(line 6) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|) [2024-11-08 19:38:38,147 INFO L75 FloydHoareUtils]: For program point L6-1(line 6) no Hoare annotation was computed. [2024-11-08 19:38:38,147 INFO L77 FloydHoareUtils]: At program point L6-3(line 6) the Hoare annotation is: true [2024-11-08 19:38:38,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:38:38 ImpRootNode [2024-11-08 19:38:38,156 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:38:38,157 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:38:38,157 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:38:38,157 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:38:38,158 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:38:37" (3/4) ... [2024-11-08 19:38:38,161 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 19:38:38,168 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-08 19:38:38,169 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-08 19:38:38,169 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 19:38:38,169 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 19:38:38,275 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 19:38:38,276 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 19:38:38,276 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:38:38,278 INFO L158 Benchmark]: Toolchain (without parser) took 1879.24ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 48.0MB in the beginning and 63.8MB in the end (delta: -15.7MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-11-08 19:38:38,280 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 73.4MB. Free memory was 49.4MB in the beginning and 49.3MB in the end (delta: 30.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:38:38,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.74ms. Allocated memory is still 73.4MB. Free memory was 47.8MB in the beginning and 35.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:38:38,281 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.18ms. Allocated memory is still 73.4MB. Free memory was 35.2MB in the beginning and 33.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:38:38,282 INFO L158 Benchmark]: Boogie Preprocessor took 28.26ms. Allocated memory is still 73.4MB. Free memory was 33.6MB in the beginning and 32.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:38:38,282 INFO L158 Benchmark]: RCFGBuilder took 917.24ms. Allocated memory is still 73.4MB. Free memory was 32.4MB in the beginning and 44.7MB in the end (delta: -12.3MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-11-08 19:38:38,283 INFO L158 Benchmark]: CodeCheck took 484.71ms. Allocated memory is still 73.4MB. Free memory was 44.7MB in the beginning and 31.0MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:38:38,283 INFO L158 Benchmark]: Witness Printer took 119.87ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 30.7MB in the beginning and 63.8MB in the end (delta: -33.1MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2024-11-08 19:38:38,286 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: 0.4s, 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, 0.2s 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 0.63ms. Allocated memory is still 73.4MB. Free memory was 49.4MB in the beginning and 49.3MB in the end (delta: 30.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.74ms. Allocated memory is still 73.4MB. Free memory was 47.8MB in the beginning and 35.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.18ms. Allocated memory is still 73.4MB. Free memory was 35.2MB in the beginning and 33.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.26ms. Allocated memory is still 73.4MB. Free memory was 33.6MB in the beginning and 32.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 917.24ms. Allocated memory is still 73.4MB. Free memory was 32.4MB in the beginning and 44.7MB in the end (delta: -12.3MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * CodeCheck took 484.71ms. Allocated memory is still 73.4MB. Free memory was 44.7MB in the beginning and 31.0MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 119.87ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 30.7MB in the beginning and 63.8MB in the end (delta: -33.1MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 19:38:38,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c26402d-259b-45e6-bfc3-7f9b1db08e36/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