./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/addsub_float_inexact.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_float_inexact.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm --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 724458914ec915bd8588c7b3947050b7176e90c12f1440cbedde17891f240f2d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:59:23,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:59:24,092 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:59:24,099 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:59:24,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:59:24,131 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:59:24,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:59:24,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:59:24,133 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:59:24,133 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:59:24,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:59:24,135 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:59:24,135 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:59:24,135 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:59:24,135 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:59:24,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:59:24,135 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:59:24,135 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:59:24,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:59:24,136 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:59:24,136 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:59:24,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:59:24,136 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:59:24,136 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:59:24,136 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:59:24,136 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:59:24,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:59:24,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:59:24,137 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:59:24,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:59:24,138 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:59:24,138 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:59:24,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:59:24,138 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm 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 -> 724458914ec915bd8588c7b3947050b7176e90c12f1440cbedde17891f240f2d [2024-11-13 16:59:24,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:59:24,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:59:24,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:59:24,490 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:59:24,490 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:59:24,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/addsub_float_inexact.c Unable to find full path for "g++" [2024-11-13 16:59:26,433 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:59:26,784 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:59:26,788 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/sv-benchmarks/c/float-benchs/addsub_float_inexact.c [2024-11-13 16:59:26,796 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/data/978415606/241f38d18f784f8ca5f99d57734982da/FLAGd49c47950 [2024-11-13 16:59:26,812 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/data/978415606/241f38d18f784f8ca5f99d57734982da [2024-11-13 16:59:26,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:59:26,817 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:59:26,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:59:26,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:59:26,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:59:26,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:59:26" (1/1) ... [2024-11-13 16:59:26,826 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217a5e0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:26, skipping insertion in model container [2024-11-13 16:59:26,827 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:59:26" (1/1) ... [2024-11-13 16:59:26,841 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:59:27,015 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_352c49e9-a02a-43de-89bb-84139c8e13f3/sv-benchmarks/c/float-benchs/addsub_float_inexact.c[394,407] [2024-11-13 16:59:27,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:59:27,035 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:59:27,046 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_352c49e9-a02a-43de-89bb-84139c8e13f3/sv-benchmarks/c/float-benchs/addsub_float_inexact.c[394,407] [2024-11-13 16:59:27,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:59:27,061 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:59:27,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:27 WrapperNode [2024-11-13 16:59:27,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:59:27,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:59:27,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:59:27,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:59:27,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:27" (1/1) ... [2024-11-13 16:59:27,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:27" (1/1) ... [2024-11-13 16:59:27,094 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2024-11-13 16:59:27,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:59:27,096 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:59:27,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:59:27,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:59:27,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:27" (1/1) ... [2024-11-13 16:59:27,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:27" (1/1) ... [2024-11-13 16:59:27,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:27" (1/1) ... [2024-11-13 16:59:27,104 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:27" (1/1) ... [2024-11-13 16:59:27,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:27" (1/1) ... [2024-11-13 16:59:27,110 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:27" (1/1) ... [2024-11-13 16:59:27,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:27" (1/1) ... [2024-11-13 16:59:27,111 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:27" (1/1) ... [2024-11-13 16:59:27,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:59:27,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:59:27,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:59:27,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:59:27,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:27" (1/1) ... [2024-11-13 16:59:27,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:59:27,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:59:27,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:59:27,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:59:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:59:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:59:27,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:59:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:59:27,276 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:59:27,279 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:59:27,391 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 16:59:27,392 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:59:27,425 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:59:27,426 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:59:27,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:59:27 BoogieIcfgContainer [2024-11-13 16:59:27,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:59:27,428 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:59:27,428 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:59:27,440 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:59:27,441 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:59:27" (1/1) ... [2024-11-13 16:59:27,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:59:27,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:27,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 16:59:27,516 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 16:59:27,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 16:59:27,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:27,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:59:27,629 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:59:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:59:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:59:27,702 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:59:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:59:27,720 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:59:27,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:59:27 ImpRootNode [2024-11-13 16:59:27,743 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:59:27,744 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:59:27,745 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:59:27,745 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:59:27,746 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:59:27" (3/4) ... [2024-11-13 16:59:27,750 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:59:27,751 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:59:27,754 INFO L158 Benchmark]: Toolchain (without parser) took 935.60ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 59.5MB in the end (delta: 31.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 16:59:27,754 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:59:27,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.79ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 80.5MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:59:27,755 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.15ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.6MB in the end (delta: 942.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:59:27,756 INFO L158 Benchmark]: Boogie Preprocessor took 17.28ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 79.0MB in the end (delta: 545.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:59:27,756 INFO L158 Benchmark]: RCFGBuilder took 313.52ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 69.7MB in the end (delta: 9.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:59:27,757 INFO L158 Benchmark]: CodeCheck took 315.49ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 60.0MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:59:27,757 INFO L158 Benchmark]: Witness Printer took 7.06ms. Allocated memory is still 117.4MB. Free memory was 60.0MB in the beginning and 59.5MB in the end (delta: 450.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:59:27,762 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 someBinaryFLOATComparisonOperation at line 16, overapproximation of someBinaryArithmeticFLOAToperation at line 13. Possible FailurePath: [L10] float x, y, z, r; [L12] x = 1e8f [L13] y = x + 1.f [L14] z = x - 1.f [L15] r = y - z [L16] CALL __VERIFIER_assert(r == 0.f) [L6] COND TRUE !(cond) [L6] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.79ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 80.5MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.15ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.6MB in the end (delta: 942.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.28ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 79.0MB in the end (delta: 545.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 313.52ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 69.7MB in the end (delta: 9.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 315.49ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 60.0MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 7.06ms. Allocated memory is still 117.4MB. Free memory was 60.0MB in the beginning and 59.5MB in the end (delta: 450.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:59:27,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_float_inexact.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm --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 724458914ec915bd8588c7b3947050b7176e90c12f1440cbedde17891f240f2d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:59:30,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:59:30,603 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 16:59:30,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:59:30,654 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:59:30,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:59:30,655 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:59:30,655 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:59:30,655 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:59:30,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:59:30,658 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:59:30,658 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:59:30,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:59:30,659 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:59:30,659 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:59:30,659 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:59:30,659 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:59:30,659 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:59:30,659 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:59:30,659 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:59:30,659 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:59:30,659 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:59:30,659 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:59:30,660 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:59:30,660 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:59:30,660 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:59:30,660 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:59:30,660 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:59:30,660 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:59:30,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:59:30,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:59:30,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:59:30,661 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:59:30,661 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:59:30,661 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:59:30,661 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:59:30,661 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm 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 -> 724458914ec915bd8588c7b3947050b7176e90c12f1440cbedde17891f240f2d [2024-11-13 16:59:31,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:59:31,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:59:31,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:59:31,028 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:59:31,028 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:59:31,030 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/addsub_float_inexact.c Unable to find full path for "g++" [2024-11-13 16:59:32,986 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:59:33,212 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:59:33,213 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/sv-benchmarks/c/float-benchs/addsub_float_inexact.c [2024-11-13 16:59:33,219 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/data/f402c2efe/6bd5e436b39b4ce1b488741bfbb3f2b9/FLAGb157e7c4e [2024-11-13 16:59:33,250 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/data/f402c2efe/6bd5e436b39b4ce1b488741bfbb3f2b9 [2024-11-13 16:59:33,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:59:33,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:59:33,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:59:33,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:59:33,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:59:33,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:59:33" (1/1) ... [2024-11-13 16:59:33,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a986ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:33, skipping insertion in model container [2024-11-13 16:59:33,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:59:33" (1/1) ... [2024-11-13 16:59:33,287 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:59:33,468 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_352c49e9-a02a-43de-89bb-84139c8e13f3/sv-benchmarks/c/float-benchs/addsub_float_inexact.c[394,407] [2024-11-13 16:59:33,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:59:33,500 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:59:33,512 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_352c49e9-a02a-43de-89bb-84139c8e13f3/sv-benchmarks/c/float-benchs/addsub_float_inexact.c[394,407] [2024-11-13 16:59:33,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:59:33,543 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:59:33,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:33 WrapperNode [2024-11-13 16:59:33,545 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:59:33,547 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:59:33,547 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:59:33,547 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:59:33,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:33" (1/1) ... [2024-11-13 16:59:33,565 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:33" (1/1) ... [2024-11-13 16:59:33,583 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2024-11-13 16:59:33,584 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:59:33,586 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:59:33,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:59:33,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:59:33,592 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:33" (1/1) ... [2024-11-13 16:59:33,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:33" (1/1) ... [2024-11-13 16:59:33,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:33" (1/1) ... [2024-11-13 16:59:33,596 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:33" (1/1) ... [2024-11-13 16:59:33,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:33" (1/1) ... [2024-11-13 16:59:33,611 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:33" (1/1) ... [2024-11-13 16:59:33,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:33" (1/1) ... [2024-11-13 16:59:33,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:33" (1/1) ... [2024-11-13 16:59:33,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:59:33,619 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:59:33,619 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:59:33,619 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:59:33,623 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:33" (1/1) ... [2024-11-13 16:59:33,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:59:33,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:59:33,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:59:33,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:59:33,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:59:33,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:59:33,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:59:33,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:59:33,768 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:59:33,771 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:59:34,357 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 16:59:34,357 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:59:34,397 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:59:34,398 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:59:34,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:59:34 BoogieIcfgContainer [2024-11-13 16:59:34,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:59:34,400 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:59:34,401 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:59:34,413 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:59:34,413 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:59:34" (1/1) ... [2024-11-13 16:59:34,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:59:34,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:34,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 16:59:34,489 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 16:59:34,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 16:59:34,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:34,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:59:34,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:59:34,494 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:59:34,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:59:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:34,634 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:59:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:34,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:59:34,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:34,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:59:34,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:59:34,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:34,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-13 16:59:34,884 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-13 16:59:34,884 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 16:59:34,885 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-13 16:59:34,893 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 16:59:34,907 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 16:59:34,907 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2024-11-13 16:59:34,907 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 16:59:34,908 INFO L77 FloydHoareUtils]: At program point L6(line 6) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|) [2024-11-13 16:59:34,908 INFO L75 FloydHoareUtils]: For program point L6-1(line 6) no Hoare annotation was computed. [2024-11-13 16:59:34,908 INFO L77 FloydHoareUtils]: At program point L6-3(line 6) the Hoare annotation is: true [2024-11-13 16:59:34,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:59:34 ImpRootNode [2024-11-13 16:59:34,916 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:59:34,917 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:59:34,917 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:59:34,917 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:59:34,918 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:59:34" (3/4) ... [2024-11-13 16:59:34,920 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 16:59:34,927 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-13 16:59:34,928 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 16:59:34,928 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 16:59:34,928 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 16:59:35,015 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 16:59:35,015 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 16:59:35,016 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:59:35,017 INFO L158 Benchmark]: Toolchain (without parser) took 1762.43ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 58.2MB in the end (delta: 2.8MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2024-11-13 16:59:35,017 INFO L158 Benchmark]: CDTParser took 2.06ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:59:35,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.61ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 50.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:59:35,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.50ms. Allocated memory is still 83.9MB. Free memory was 50.0MB in the beginning and 48.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:59:35,018 INFO L158 Benchmark]: Boogie Preprocessor took 32.51ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 47.8MB in the end (delta: 913.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:59:35,019 INFO L158 Benchmark]: RCFGBuilder took 779.77ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 37.9MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:59:35,019 INFO L158 Benchmark]: CodeCheck took 515.74ms. Allocated memory is still 83.9MB. Free memory was 37.9MB in the beginning and 25.3MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:59:35,019 INFO L158 Benchmark]: Witness Printer took 98.94ms. Allocated memory is still 83.9MB. Free memory was 25.0MB in the beginning and 58.2MB in the end (delta: -33.3MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-11-13 16:59:35,022 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, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s 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, 3 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 2.06ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.61ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 50.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.50ms. Allocated memory is still 83.9MB. Free memory was 50.0MB in the beginning and 48.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.51ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 47.8MB in the end (delta: 913.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 779.77ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 37.9MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 515.74ms. Allocated memory is still 83.9MB. Free memory was 37.9MB in the beginning and 25.3MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 98.94ms. Allocated memory is still 83.9MB. Free memory was 25.0MB in the beginning and 58.2MB in the end (delta: -33.3MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 16:59:35,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_352c49e9-a02a-43de-89bb-84139c8e13f3/bin/ukojak-verify-EEHR8qb7sm/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