./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i --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_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/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_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/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_a30b7674-819b-40a7-91eb-7958045df464/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 497906435138d6e8ed86f6117a3a5c3feed8c22116354c349b2936471319931d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:45:01,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:45:01,510 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:45:01,527 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:45:01,527 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:45:01,565 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:45:01,567 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:45:01,567 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:45:01,568 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:45:01,568 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:45:01,569 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:45:01,569 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:45:01,570 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:45:01,570 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:45:01,570 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:45:01,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:45:01,570 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:45:01,570 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:45:01,570 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:45:01,571 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:45:01,571 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:45:01,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:45:01,571 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:45:01,572 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:45:01,572 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:45:01,572 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:45:01,572 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:45:01,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:45:01,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:45:01,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:45:01,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:45:01,573 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:45:01,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:45:01,573 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_a30b7674-819b-40a7-91eb-7958045df464/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 -> 497906435138d6e8ed86f6117a3a5c3feed8c22116354c349b2936471319931d [2024-11-13 16:45:01,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:45:01,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:45:01,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:45:01,938 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:45:01,938 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:45:01,940 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i Unable to find full path for "g++" [2024-11-13 16:45:03,954 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:45:04,230 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:45:04,230 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i [2024-11-13 16:45:04,242 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/data/4e674eef8/e9089bf6f2a74ac2ab8ab22995142f19/FLAG8e7c6ab4c [2024-11-13 16:45:04,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/data/4e674eef8/e9089bf6f2a74ac2ab8ab22995142f19 [2024-11-13 16:45:04,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:45:04,277 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:45:04,278 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:45:04,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:45:04,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:45:04,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:45:04" (1/1) ... [2024-11-13 16:45:04,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fb7e7aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:04, skipping insertion in model container [2024-11-13 16:45:04,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:45:04" (1/1) ... [2024-11-13 16:45:04,311 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:45:04,510 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_a30b7674-819b-40a7-91eb-7958045df464/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i[807,820] [2024-11-13 16:45:04,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:45:04,541 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:45:04,555 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_a30b7674-819b-40a7-91eb-7958045df464/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i[807,820] [2024-11-13 16:45:04,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:45:04,580 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:45:04,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:04 WrapperNode [2024-11-13 16:45:04,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:45:04,584 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:45:04,585 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:45:04,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:45:04,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:04" (1/1) ... [2024-11-13 16:45:04,601 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:04" (1/1) ... [2024-11-13 16:45:04,618 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24 [2024-11-13 16:45:04,619 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:45:04,620 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:45:04,620 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:45:04,620 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:45:04,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:04" (1/1) ... [2024-11-13 16:45:04,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:04" (1/1) ... [2024-11-13 16:45:04,632 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:04" (1/1) ... [2024-11-13 16:45:04,633 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:04" (1/1) ... [2024-11-13 16:45:04,636 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:04" (1/1) ... [2024-11-13 16:45:04,642 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:04" (1/1) ... [2024-11-13 16:45:04,644 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:04" (1/1) ... [2024-11-13 16:45:04,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:04" (1/1) ... [2024-11-13 16:45:04,647 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:45:04,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:45:04,649 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:45:04,649 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:45:04,650 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:04" (1/1) ... [2024-11-13 16:45:04,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:45:04,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:45:04,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:45:04,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:45:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:45:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:45:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:45:04,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:45:04,808 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:45:04,812 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:45:04,922 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 16:45:04,922 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:45:04,951 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:45:04,952 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:45:04,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:45:04 BoogieIcfgContainer [2024-11-13 16:45:04,953 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:45:04,953 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:45:04,954 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:45:04,965 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:45:04,965 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:45:04" (1/1) ... [2024-11-13 16:45:04,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:45:05,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:45:05,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 16:45:05,041 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 16:45:05,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:45:05,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:45:05,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:45:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:45:05,155 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:45:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:45:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:45:05,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:45:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:45:05,248 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:45:05,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:45:05 ImpRootNode [2024-11-13 16:45:05,274 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:45:05,276 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:45:05,277 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:45:05,277 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:45:05,278 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:45:04" (3/4) ... [2024-11-13 16:45:05,281 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:45:05,283 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:45:05,286 INFO L158 Benchmark]: Toolchain (without parser) took 1007.53ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 51.6MB in the end (delta: 31.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 16:45:05,286 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 40.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:45:05,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.78ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 72.5MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:45:05,287 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.93ms. Allocated memory is still 109.1MB. Free memory was 72.5MB in the beginning and 71.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:45:05,288 INFO L158 Benchmark]: Boogie Preprocessor took 26.89ms. Allocated memory is still 109.1MB. Free memory was 71.2MB in the beginning and 70.8MB in the end (delta: 419.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:45:05,288 INFO L158 Benchmark]: RCFGBuilder took 304.00ms. Allocated memory is still 109.1MB. Free memory was 70.8MB in the beginning and 61.6MB in the end (delta: 9.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:45:05,288 INFO L158 Benchmark]: CodeCheck took 321.16ms. Allocated memory is still 109.1MB. Free memory was 61.6MB in the beginning and 51.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:45:05,289 INFO L158 Benchmark]: Witness Printer took 7.11ms. Allocated memory is still 109.1MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:45:05,294 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, 7 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, 4 NumberOfCodeBlocks, 4 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: 13]: 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 23, overapproximation of someBinaryArithmeticFLOAToperation at line 21. Possible FailurePath: [L20] float x = 1.0f; [L21] float x1 = x/1.6f; [L23] COND FALSE !(x1 != x) [L29] CALL __VERIFIER_assert(x == 0) [L13] COND TRUE !(cond) [L13] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 40.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.78ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 72.5MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.93ms. Allocated memory is still 109.1MB. Free memory was 72.5MB in the beginning and 71.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.89ms. Allocated memory is still 109.1MB. Free memory was 71.2MB in the beginning and 70.8MB in the end (delta: 419.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 304.00ms. Allocated memory is still 109.1MB. Free memory was 70.8MB in the beginning and 61.6MB in the end (delta: 9.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 321.16ms. Allocated memory is still 109.1MB. Free memory was 61.6MB in the beginning and 51.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 7.11ms. Allocated memory is still 109.1MB. Free memory is still 51.6MB. 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 16:45:05,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/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_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/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_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/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_a30b7674-819b-40a7-91eb-7958045df464/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 497906435138d6e8ed86f6117a3a5c3feed8c22116354c349b2936471319931d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:45:08,172 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:45:08,262 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 16:45:08,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:45:08,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:45:08,326 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:45:08,326 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:45:08,326 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:45:08,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:45:08,327 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:45:08,327 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:45:08,327 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:45:08,327 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:45:08,327 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:45:08,327 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:45:08,327 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:45:08,328 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:45:08,328 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:45:08,328 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:45:08,328 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:45:08,328 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:45:08,328 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:45:08,328 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:45:08,328 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:45:08,329 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:45:08,329 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:45:08,329 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:45:08,329 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:45:08,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:45:08,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:45:08,329 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:45:08,329 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:45:08,330 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:45:08,330 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:45:08,330 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:45:08,330 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:45:08,334 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_a30b7674-819b-40a7-91eb-7958045df464/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 -> 497906435138d6e8ed86f6117a3a5c3feed8c22116354c349b2936471319931d [2024-11-13 16:45:08,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:45:08,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:45:08,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:45:08,682 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:45:08,682 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:45:08,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i Unable to find full path for "g++" [2024-11-13 16:45:10,852 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:45:11,201 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:45:11,204 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i [2024-11-13 16:45:11,220 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/data/4008e04be/35740cbd0b7046b7917ec7842143fb96/FLAG32f5c4d7c [2024-11-13 16:45:11,449 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/data/4008e04be/35740cbd0b7046b7917ec7842143fb96 [2024-11-13 16:45:11,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:45:11,453 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:45:11,455 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:45:11,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:45:11,460 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:45:11,461 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:45:11" (1/1) ... [2024-11-13 16:45:11,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca46be3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:11, skipping insertion in model container [2024-11-13 16:45:11,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:45:11" (1/1) ... [2024-11-13 16:45:11,482 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:45:11,681 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_a30b7674-819b-40a7-91eb-7958045df464/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i[807,820] [2024-11-13 16:45:11,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:45:11,721 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:45:11,734 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_a30b7674-819b-40a7-91eb-7958045df464/sv-benchmarks/c/floats-esbmc-regression/Float_div_bad.i[807,820] [2024-11-13 16:45:11,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:45:11,762 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:45:11,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:11 WrapperNode [2024-11-13 16:45:11,763 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:45:11,765 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:45:11,765 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:45:11,765 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:45:11,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:11" (1/1) ... [2024-11-13 16:45:11,784 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:11" (1/1) ... [2024-11-13 16:45:11,804 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2024-11-13 16:45:11,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:45:11,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:45:11,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:45:11,807 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:45:11,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:11" (1/1) ... [2024-11-13 16:45:11,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:11" (1/1) ... [2024-11-13 16:45:11,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:11" (1/1) ... [2024-11-13 16:45:11,820 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:11" (1/1) ... [2024-11-13 16:45:11,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:11" (1/1) ... [2024-11-13 16:45:11,836 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:11" (1/1) ... [2024-11-13 16:45:11,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:11" (1/1) ... [2024-11-13 16:45:11,843 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:11" (1/1) ... [2024-11-13 16:45:11,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:45:11,849 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:45:11,849 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:45:11,849 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:45:11,850 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:45:11" (1/1) ... [2024-11-13 16:45:11,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:45:11,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:45:11,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:45:11,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:45:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:45:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:45:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:45:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:45:12,024 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:45:12,025 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:45:13,334 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 16:45:13,334 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:45:13,378 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:45:13,378 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:45:13,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:45:13 BoogieIcfgContainer [2024-11-13 16:45:13,379 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:45:13,380 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:45:13,380 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:45:13,392 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:45:13,392 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:45:13" (1/1) ... [2024-11-13 16:45:13,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:45:13,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:45:13,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 16:45:13,452 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 16:45:13,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:45:13,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:45:13,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:45:13,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:45:13,458 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:45:13,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:45:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:45:13,801 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:45:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:45:13,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:45:13,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:45:14,519 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 16:45:14,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:45:16,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:45:17,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:45:19,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:45:19,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:45:19,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 16:45:19,221 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 16:45:19,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 16:45:19,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:45:19,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:45:19,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:45:19,226 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:45:19,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:45:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:45:19,930 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:45:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:45:24,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 16:45:24,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:45:33,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:45:33,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 16:45:46,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:45:48,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:46:18,727 WARN L286 SmtUtils]: Spent 11.78s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:46:20,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:46:45,647 WARN L286 SmtUtils]: Spent 11.78s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:46:48,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:46:52,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:46:53,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:47:00,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.01s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:47:02,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:47:03,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:47:04,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:47:08,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.79s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:47:11,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:47:15,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:47:15,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:15,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2024-11-13 16:47:15,659 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2024-11-13 16:47:15,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:47:15,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:15,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:15,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:15,667 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:15,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 16:47:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:16,687 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:21,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 16:47:21,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:48:57,219 WARN L286 SmtUtils]: Spent 6.80s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:48:57,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:48:57,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 16:50:01,259 WARN L286 SmtUtils]: Spent 8.41s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:51:53,842 WARN L286 SmtUtils]: Spent 1.16m on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:54:01,243 WARN L286 SmtUtils]: Spent 1.27m on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:54:11,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:54:15,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:54:18,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:54:22,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:54:26,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:54:31,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.91s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:54:35,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.26s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:54:40,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.84s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:54:45,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.43s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:54:54,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.66s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:55:01,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:55:08,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:55:18,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:55:18,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:55:18,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-11-13 16:55:18,994 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-11-13 16:55:18,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:55:18,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:55:18,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:55:18,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:55:19,000 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:55:19,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 16:55:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:20,644 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:55:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:55:29,545 WARN L253 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 16:55:29,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:55:38,493 WARN L286 SmtUtils]: Spent 6.53s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 16:55:43,607 WARN L286 SmtUtils]: Spent 5.11s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 16:55:51,831 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 16:56:04,028 WARN L286 SmtUtils]: Spent 12.20s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 16:58:39,821 WARN L286 SmtUtils]: Spent 14.55s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:58:39,880 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:58:39,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30b7674-819b-40a7-91eb-7958045df464/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 17:00:23,294 WARN L286 SmtUtils]: Spent 15.50s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)