./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b --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 aa004690edfde808b1aefac96308d2a9e2df62056aeddc89c51bd2015ab29125 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:53:29,158 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:53:29,213 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:53:29,218 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:53:29,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:53:29,236 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:53:29,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:53:29,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:53:29,238 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:53:29,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:53:29,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:53:29,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:53:29,238 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:53:29,238 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:53:29,238 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:53:29,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:53:29,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:53:29,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:53:29,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:53:29,239 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:53:29,239 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:53:29,239 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:53:29,239 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:53:29,239 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:53:29,239 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:53:29,239 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:53:29,240 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:53:29,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:53:29,240 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:53:29,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:53:29,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:53:29,240 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:53:29,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:53:29,240 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_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b 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 -> aa004690edfde808b1aefac96308d2a9e2df62056aeddc89c51bd2015ab29125 [2024-12-06 04:53:29,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:53:29,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:53:29,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:53:29,491 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:53:29,491 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:53:29,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i [2024-12-06 04:53:32,130 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/data/e9d0586f8/25625c243c614306ba93d909aec8ac55/FLAG7b651725b [2024-12-06 04:53:32,311 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:53:32,312 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i [2024-12-06 04:53:32,317 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/data/e9d0586f8/25625c243c614306ba93d909aec8ac55/FLAG7b651725b [2024-12-06 04:53:32,331 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/data/e9d0586f8/25625c243c614306ba93d909aec8ac55 [2024-12-06 04:53:32,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:53:32,335 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:53:32,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:53:32,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:53:32,340 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:53:32,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:53:32" (1/1) ... [2024-12-06 04:53:32,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@317d2d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:32, skipping insertion in model container [2024-12-06 04:53:32,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:53:32" (1/1) ... [2024-12-06 04:53:32,353 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:53:32,482 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_ac9860e6-0877-4d55-9396-9a33741e22f6/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i[808,821] [2024-12-06 04:53:32,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:53:32,501 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:53:32,512 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i[808,821] [2024-12-06 04:53:32,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:53:32,528 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:53:32,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:32 WrapperNode [2024-12-06 04:53:32,529 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:53:32,530 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:53:32,530 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:53:32,530 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:53:32,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:32" (1/1) ... [2024-12-06 04:53:32,542 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:32" (1/1) ... [2024-12-06 04:53:32,556 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24 [2024-12-06 04:53:32,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:53:32,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:53:32,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:53:32,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:53:32,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:32" (1/1) ... [2024-12-06 04:53:32,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:32" (1/1) ... [2024-12-06 04:53:32,563 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:32" (1/1) ... [2024-12-06 04:53:32,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:32" (1/1) ... [2024-12-06 04:53:32,566 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:32" (1/1) ... [2024-12-06 04:53:32,567 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:32" (1/1) ... [2024-12-06 04:53:32,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:32" (1/1) ... [2024-12-06 04:53:32,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:32" (1/1) ... [2024-12-06 04:53:32,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:32" (1/1) ... [2024-12-06 04:53:32,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:53:32,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:53:32,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:53:32,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:53:32,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:32" (1/1) ... [2024-12-06 04:53:32,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:53:32,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:53:32,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:53:32,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:53:32,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:53:32,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:53:32,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:53:32,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:53:32,680 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:53:32,682 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:53:32,747 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 04:53:32,747 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:53:32,770 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:53:32,770 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:53:32,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:53:32 BoogieIcfgContainer [2024-12-06 04:53:32,770 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:53:32,771 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:53:32,771 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:53:32,778 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:53:32,778 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:53:32" (1/1) ... [2024-12-06 04:53:32,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:53:32,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:32,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:53:32,832 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:53:32,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:53:32,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:32,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:53:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:53:32,907 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:53:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:53:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:53:32,936 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:53:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:53:32,947 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 04:53:32,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:53:32 ImpRootNode [2024-12-06 04:53:32,959 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:53:32,960 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:53:32,960 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:53:32,960 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:53:32,961 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:53:32" (3/4) ... [2024-12-06 04:53:32,963 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 04:53:32,964 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:53:32,965 INFO L158 Benchmark]: Toolchain (without parser) took 630.11ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 84.5MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 04:53:32,965 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:53:32,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 193.15ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 106.4MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:53:32,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.08ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:53:32,967 INFO L158 Benchmark]: Boogie Preprocessor took 15.55ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.4MB in the end (delta: 860.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:53:32,967 INFO L158 Benchmark]: RCFGBuilder took 197.72ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 94.5MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:53:32,967 INFO L158 Benchmark]: CodeCheck took 188.85ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 84.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:53:32,968 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 84.5MB in the end (delta: 268.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:53:32,970 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: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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, ConComCheckerStatistics: 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 someBinaryArithmeticDOUBLEoperation at line 21, overapproximation of someBinaryDOUBLEComparisonOperation at line 23. Possible FailurePath: [L20] double x = 1.0; [L21] double x1 = x/1.6; [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 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 193.15ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 106.4MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.08ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.55ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.4MB in the end (delta: 860.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 197.72ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 94.5MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 188.85ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 84.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.14ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 84.5MB in the end (delta: 268.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 04:53:32,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/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_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b --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 aa004690edfde808b1aefac96308d2a9e2df62056aeddc89c51bd2015ab29125 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:53:34,921 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:53:35,001 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 04:53:35,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:53:35,026 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:53:35,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:53:35,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:53:35,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:53:35,027 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:53:35,027 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:53:35,027 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:53:35,027 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:53:35,027 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:53:35,028 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:53:35,028 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:53:35,028 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:53:35,028 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:53:35,028 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:53:35,028 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:53:35,028 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:53:35,028 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:53:35,028 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:53:35,028 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:53:35,028 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:53:35,029 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:53:35,029 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:53:35,029 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:35,029 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:53:35,029 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:53:35,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:53:35,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:53:35,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:53:35,029 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:53:35,029 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:53:35,029 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:35,029 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:53:35,029 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_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b 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 -> aa004690edfde808b1aefac96308d2a9e2df62056aeddc89c51bd2015ab29125 [2024-12-06 04:53:35,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:53:35,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:53:35,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:53:35,264 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:53:35,264 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:53:35,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i [2024-12-06 04:53:37,978 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/data/0edb7c6ce/ade9d42858944bcc9fd07ccc3f719bb6/FLAGb90145dab [2024-12-06 04:53:38,133 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:53:38,133 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i [2024-12-06 04:53:38,139 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/data/0edb7c6ce/ade9d42858944bcc9fd07ccc3f719bb6/FLAGb90145dab [2024-12-06 04:53:38,150 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/data/0edb7c6ce/ade9d42858944bcc9fd07ccc3f719bb6 [2024-12-06 04:53:38,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:53:38,154 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:53:38,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:53:38,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:53:38,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:53:38,160 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:53:38" (1/1) ... [2024-12-06 04:53:38,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5606315d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:38, skipping insertion in model container [2024-12-06 04:53:38,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:53:38" (1/1) ... [2024-12-06 04:53:38,175 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:53:38,308 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_ac9860e6-0877-4d55-9396-9a33741e22f6/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i[808,821] [2024-12-06 04:53:38,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:53:38,332 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:53:38,343 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_ac9860e6-0877-4d55-9396-9a33741e22f6/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i[808,821] [2024-12-06 04:53:38,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:53:38,358 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:53:38,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:38 WrapperNode [2024-12-06 04:53:38,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:53:38,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:53:38,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:53:38,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:53:38,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:38" (1/1) ... [2024-12-06 04:53:38,374 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:38" (1/1) ... [2024-12-06 04:53:38,388 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2024-12-06 04:53:38,388 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:53:38,389 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:53:38,389 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:53:38,389 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:53:38,395 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:38" (1/1) ... [2024-12-06 04:53:38,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:38" (1/1) ... [2024-12-06 04:53:38,397 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:38" (1/1) ... [2024-12-06 04:53:38,397 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:38" (1/1) ... [2024-12-06 04:53:38,402 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:38" (1/1) ... [2024-12-06 04:53:38,403 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:38" (1/1) ... [2024-12-06 04:53:38,406 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:38" (1/1) ... [2024-12-06 04:53:38,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:38" (1/1) ... [2024-12-06 04:53:38,408 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:38" (1/1) ... [2024-12-06 04:53:38,409 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:53:38,410 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:53:38,410 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:53:38,410 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:53:38,411 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:53:38" (1/1) ... [2024-12-06 04:53:38,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:53:38,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:53:38,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:53:38,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:53:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:53:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:53:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:53:38,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:53:38,519 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:53:38,521 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:53:40,402 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 04:53:40,402 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:53:40,427 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:53:40,427 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:53:40,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:53:40 BoogieIcfgContainer [2024-12-06 04:53:40,428 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:53:40,429 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:53:40,429 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:53:40,439 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:53:40,439 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:53:40" (1/1) ... [2024-12-06 04:53:40,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:53:40,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:53:40,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:53:40,488 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:53:40,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:53:40,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:53:40,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:53:40,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:53:40,492 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:53:40,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:53:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:41,492 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:53:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:53:42,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 04:53:42,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:53:45,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:53:45,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:53:47,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 04:53:49,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:54:00,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:54:04,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:54:11,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:54:12,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:54:12,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 04:54:12,023 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 04:54:12,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 04:54:12,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:54:12,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:54:12,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:54:12,025 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:54:12,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:54:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:54:14,177 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:54:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:54:25,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 04:54:25,138 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 04:54:25,142 INFO L158 Benchmark]: Toolchain (without parser) took 46987.74ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 62.4MB in the end (delta: 7.1MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2024-12-06 04:54:25,142 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:54:25,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.50ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 58.0MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:54:25,142 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.39ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 56.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:54:25,143 INFO L158 Benchmark]: Boogie Preprocessor took 20.57ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 56.1MB in the end (delta: 877.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:54:25,143 INFO L158 Benchmark]: RCFGBuilder took 2017.92ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 45.9MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:54:25,143 INFO L158 Benchmark]: CodeCheck took 44712.32ms. Allocated memory is still 92.3MB. Free memory was 45.8MB in the beginning and 62.4MB in the end (delta: -16.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:54:25,145 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.50ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 58.0MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.39ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 56.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.57ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 56.1MB in the end (delta: 877.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2017.92ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 45.9MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 44712.32ms. Allocated memory is still 92.3MB. Free memory was 45.8MB in the beginning and 62.4MB in the end (delta: -16.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 04:54:25,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac9860e6-0877-4d55-9396-9a33741e22f6/bin/ukojak-verify-CZk0znPC7b/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown