./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.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_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/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_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/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_37837735-9127-4f6c-9557-5d4253d28769/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 098bb68c9788336ffa4c6e074693ab2367c9ebfab2531a443a5312e0095ec011 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:38:32,411 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:38:32,487 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:38:32,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:38:32,494 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:38:32,523 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:38:32,524 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:38:32,524 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:38:32,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:38:32,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:38:32,525 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:38:32,525 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:38:32,525 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:38:32,525 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:38:32,526 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:38:32,526 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:38:32,526 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:38:32,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:38:32,526 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:38:32,526 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:38:32,526 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:38:32,527 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:38:32,527 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:38:32,527 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:38:32,527 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:38:32,527 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:38:32,527 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:38:32,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:38:32,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:38:32,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:38:32,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:38:32,528 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:38:32,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:38:32,528 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_37837735-9127-4f6c-9557-5d4253d28769/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 -> 098bb68c9788336ffa4c6e074693ab2367c9ebfab2531a443a5312e0095ec011 [2024-11-13 21:38:32,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:38:32,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:38:32,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:38:32,950 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:38:32,951 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:38:32,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c Unable to find full path for "g++" [2024-11-13 21:38:35,135 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:38:35,451 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:38:35,451 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c [2024-11-13 21:38:35,470 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/data/954a0379f/2f413850d5064894a3d53193cc0ca6cc/FLAG34f15fd19 [2024-11-13 21:38:35,518 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/data/954a0379f/2f413850d5064894a3d53193cc0ca6cc [2024-11-13 21:38:35,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:38:35,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:38:35,526 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:38:35,526 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:38:35,533 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:38:35,534 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:38:35" (1/1) ... [2024-11-13 21:38:35,537 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78d948de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:35, skipping insertion in model container [2024-11-13 21:38:35,537 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:38:35" (1/1) ... [2024-11-13 21:38:35,556 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:38:35,757 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_37837735-9127-4f6c-9557-5d4253d28769/sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c[358,371] [2024-11-13 21:38:35,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:38:35,775 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:38:35,791 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_37837735-9127-4f6c-9557-5d4253d28769/sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c[358,371] [2024-11-13 21:38:35,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:38:35,815 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:38:35,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:35 WrapperNode [2024-11-13 21:38:35,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:38:35,819 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:38:35,819 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:38:35,819 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:38:35,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:35" (1/1) ... [2024-11-13 21:38:35,840 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:35" (1/1) ... [2024-11-13 21:38:35,858 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 14 [2024-11-13 21:38:35,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:38:35,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:38:35,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:38:35,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:38:35,869 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:35" (1/1) ... [2024-11-13 21:38:35,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:35" (1/1) ... [2024-11-13 21:38:35,870 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:35" (1/1) ... [2024-11-13 21:38:35,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:35" (1/1) ... [2024-11-13 21:38:35,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:35" (1/1) ... [2024-11-13 21:38:35,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:35" (1/1) ... [2024-11-13 21:38:35,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:35" (1/1) ... [2024-11-13 21:38:35,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:35" (1/1) ... [2024-11-13 21:38:35,883 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:38:35,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:38:35,888 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:38:35,888 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:38:35,889 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:35" (1/1) ... [2024-11-13 21:38:35,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:38:35,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:38:35,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:38:35,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:38:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:38:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:38:35,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:38:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:38:36,034 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:38:36,036 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:38:36,130 INFO L? ?]: Removed 2 outVars from TransFormulas that were not future-live. [2024-11-13 21:38:36,130 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:38:36,153 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:38:36,154 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:38:36,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:38:36 BoogieIcfgContainer [2024-11-13 21:38:36,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:38:36,155 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:38:36,155 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:38:36,171 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:38:36,172 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:38:36" (1/1) ... [2024-11-13 21:38:36,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:38:36,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:36,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 21:38:36,259 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 21:38:36,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:38:36,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:36,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:38:36,374 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:38:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:38:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:38:36,452 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:38:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:38:36,473 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:38:36,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:38:36 ImpRootNode [2024-11-13 21:38:36,502 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:38:36,503 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:38:36,504 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:38:36,504 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:38:36,505 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:38:36" (3/4) ... [2024-11-13 21:38:36,510 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:38:36,511 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:38:36,513 INFO L158 Benchmark]: Toolchain (without parser) took 990.46ms. Allocated memory is still 117.4MB. Free memory was 95.0MB in the beginning and 64.3MB in the end (delta: 30.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:38:36,515 INFO L158 Benchmark]: CDTParser took 0.89ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:38:36,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.50ms. Allocated memory is still 117.4MB. Free memory was 95.0MB in the beginning and 84.6MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:38:36,517 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.45ms. Allocated memory is still 117.4MB. Free memory was 84.6MB in the beginning and 83.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:38:36,518 INFO L158 Benchmark]: Boogie Preprocessor took 22.51ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 82.9MB in the end (delta: 570.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:38:36,520 INFO L158 Benchmark]: RCFGBuilder took 270.50ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 73.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:38:36,520 INFO L158 Benchmark]: CodeCheck took 346.73ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 64.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:38:36,521 INFO L158 Benchmark]: Witness Printer took 9.68ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 64.3MB in the end (delta: 277.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:38:36,524 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: 10]: 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 to_int at line 10, overapproximation of someBinaryArithmeticFLOAToperation at line 8. Possible FailurePath: [L8] float fs1=2.0f/6.0f; [L9] float fs2=fs1*6.0f; [L10] COND TRUE !((int)fs2==2) [L10] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.50ms. Allocated memory is still 117.4MB. Free memory was 95.0MB in the beginning and 84.6MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.45ms. Allocated memory is still 117.4MB. Free memory was 84.6MB in the beginning and 83.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.51ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 82.9MB in the end (delta: 570.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 270.50ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 73.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 346.73ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 64.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 9.68ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 64.3MB in the end (delta: 277.9kB). 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 21:38:36,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/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_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/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_37837735-9127-4f6c-9557-5d4253d28769/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 098bb68c9788336ffa4c6e074693ab2367c9ebfab2531a443a5312e0095ec011 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:38:39,754 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:38:39,850 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:38:39,886 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:38:39,887 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:38:39,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:38:39,888 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:38:39,888 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:38:39,888 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:38:39,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:38:39,888 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:38:39,888 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:38:39,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:38:39,889 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:38:39,889 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:38:39,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:38:39,889 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:38:39,889 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:38:39,889 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:38:39,889 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:38:39,890 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:38:39,890 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:38:39,890 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:38:39,890 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:38:39,890 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:38:39,890 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:38:39,890 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:38:39,890 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:38:39,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:38:39,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:38:39,891 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:38:39,891 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:38:39,891 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:38:39,891 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:38:39,891 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:38:39,892 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:38:39,892 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_37837735-9127-4f6c-9557-5d4253d28769/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 -> 098bb68c9788336ffa4c6e074693ab2367c9ebfab2531a443a5312e0095ec011 [2024-11-13 21:38:40,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:38:40,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:38:40,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:38:40,324 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:38:40,324 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:38:40,326 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c Unable to find full path for "g++" [2024-11-13 21:38:42,798 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:38:43,126 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:38:43,132 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c [2024-11-13 21:38:43,149 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/data/848dd7cc6/a66f1de3e02542af92f5d7481958a62f/FLAGd900a856e [2024-11-13 21:38:43,215 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/data/848dd7cc6/a66f1de3e02542af92f5d7481958a62f [2024-11-13 21:38:43,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:38:43,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:38:43,230 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:38:43,231 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:38:43,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:38:43,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:38:43" (1/1) ... [2024-11-13 21:38:43,240 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b856e81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:43, skipping insertion in model container [2024-11-13 21:38:43,243 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:38:43" (1/1) ... [2024-11-13 21:38:43,260 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:38:43,482 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_37837735-9127-4f6c-9557-5d4253d28769/sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c[358,371] [2024-11-13 21:38:43,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:38:43,514 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:38:43,532 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_37837735-9127-4f6c-9557-5d4253d28769/sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c[358,371] [2024-11-13 21:38:43,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:38:43,559 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:38:43,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:43 WrapperNode [2024-11-13 21:38:43,560 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:38:43,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:38:43,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:38:43,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:38:43,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:43" (1/1) ... [2024-11-13 21:38:43,584 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:43" (1/1) ... [2024-11-13 21:38:43,604 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 15 [2024-11-13 21:38:43,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:38:43,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:38:43,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:38:43,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:38:43,617 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:43" (1/1) ... [2024-11-13 21:38:43,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:43" (1/1) ... [2024-11-13 21:38:43,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:43" (1/1) ... [2024-11-13 21:38:43,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:43" (1/1) ... [2024-11-13 21:38:43,633 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:43" (1/1) ... [2024-11-13 21:38:43,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:43" (1/1) ... [2024-11-13 21:38:43,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:43" (1/1) ... [2024-11-13 21:38:43,641 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:43" (1/1) ... [2024-11-13 21:38:43,646 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:38:43,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:38:43,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:38:43,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:38:43,653 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:43" (1/1) ... [2024-11-13 21:38:43,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:38:43,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:38:43,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:38:43,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:38:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:38:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:38:43,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:38:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:38:43,839 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:38:43,842 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:38:44,084 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 21:38:44,084 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:38:44,139 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:38:44,139 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:38:44,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:38:44 BoogieIcfgContainer [2024-11-13 21:38:44,140 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:38:44,143 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:38:44,143 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:38:44,159 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:38:44,159 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:38:44" (1/1) ... [2024-11-13 21:38:44,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:38:44,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:44,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 21:38:44,252 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 21:38:44,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:38:44,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:44,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:38:44,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:38:44,260 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:38:44,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:38:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:44,418 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:38:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:44,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:38:44,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:38:44,586 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 21:38:44,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:38:44,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:44,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-13 21:38:44,717 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-13 21:38:44,717 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:38:44,718 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-13 21:38:44,729 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 21:38:44,751 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:38:44,752 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2024-11-13 21:38:44,752 INFO L77 FloydHoareUtils]: At program point L10(line 10) the Hoare annotation is: (= (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 6.0))) (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 2.0) .cse0) .cse0)) |ULTIMATE.start_main_~fs2~0#1|) [2024-11-13 21:38:44,752 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:38:44,752 INFO L75 FloydHoareUtils]: For program point L10-1(line 10) no Hoare annotation was computed. [2024-11-13 21:38:44,753 INFO L77 FloydHoareUtils]: At program point L5(lines 5 11) the Hoare annotation is: true [2024-11-13 21:38:44,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:38:44 ImpRootNode [2024-11-13 21:38:44,758 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:38:44,759 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:38:44,759 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:38:44,759 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:38:44,760 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:38:44" (3/4) ... [2024-11-13 21:38:44,763 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:38:44,773 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-13 21:38:44,773 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 21:38:44,773 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 21:38:44,773 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:38:44,861 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:38:44,862 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:38:44,862 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:38:44,864 INFO L158 Benchmark]: Toolchain (without parser) took 1637.55ms. Allocated memory is still 117.4MB. Free memory was 96.1MB in the beginning and 56.6MB in the end (delta: 39.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:38:44,864 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:38:44,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.58ms. Allocated memory is still 117.4MB. Free memory was 95.8MB in the beginning and 84.8MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:38:44,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.38ms. Allocated memory is still 117.4MB. Free memory was 84.8MB in the beginning and 83.9MB in the end (delta: 903.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:38:44,866 INFO L158 Benchmark]: Boogie Preprocessor took 41.01ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 83.0MB in the end (delta: 894.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:38:44,866 INFO L158 Benchmark]: RCFGBuilder took 490.39ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 73.4MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:38:44,867 INFO L158 Benchmark]: CodeCheck took 614.90ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 60.8MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:38:44,868 INFO L158 Benchmark]: Witness Printer took 103.46ms. Allocated memory is still 117.4MB. Free memory was 60.6MB in the beginning and 56.6MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:38:44,871 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: 0.5s, 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 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: 10]: 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 0.59ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.58ms. Allocated memory is still 117.4MB. Free memory was 95.8MB in the beginning and 84.8MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.38ms. Allocated memory is still 117.4MB. Free memory was 84.8MB in the beginning and 83.9MB in the end (delta: 903.2kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.01ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 83.0MB in the end (delta: 894.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 490.39ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 73.4MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 614.90ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 60.8MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 103.46ms. Allocated memory is still 117.4MB. Free memory was 60.6MB in the beginning and 56.6MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 21:38:44,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37837735-9127-4f6c-9557-5d4253d28769/bin/ukojak-verify-EEHR8qb7sm/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 Writing output log to file Ultimate.log Result: TRUE