./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Double_div.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_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/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_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/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_c2f039f8-1a80-4247-9926-46666485b7af/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 2f4e199f6665b6821475945a72290dab8d4d620db3a5150842d6f2ec9f4c430d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:31:16,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:31:16,218 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:31:16,222 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:31:16,223 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:31:16,241 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:31:16,242 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:31:16,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:31:16,242 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:31:16,242 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:31:16,242 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:31:16,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:31:16,243 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:31:16,243 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:31:16,243 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:31:16,243 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:31:16,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:31:16,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:31:16,243 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:31:16,243 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:31:16,243 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:31:16,243 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:31:16,243 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:31:16,244 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:31:16,244 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:31:16,244 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:31:16,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:31:16,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:31:16,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:31:16,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:31:16,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:31:16,244 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:31:16,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:31:16,244 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_c2f039f8-1a80-4247-9926-46666485b7af/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 -> 2f4e199f6665b6821475945a72290dab8d4d620db3a5150842d6f2ec9f4c430d [2024-12-06 03:31:16,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:31:16,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:31:16,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:31:16,493 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:31:16,494 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:31:16,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-esbmc-regression/Double_div.i [2024-12-06 03:31:19,102 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/data/96efe1c7b/e707e1f24962408a811fc01225c27ac7/FLAG5244851d0 [2024-12-06 03:31:19,318 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:31:19,318 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/sv-benchmarks/c/floats-esbmc-regression/Double_div.i [2024-12-06 03:31:19,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/data/96efe1c7b/e707e1f24962408a811fc01225c27ac7/FLAG5244851d0 [2024-12-06 03:31:19,337 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/data/96efe1c7b/e707e1f24962408a811fc01225c27ac7 [2024-12-06 03:31:19,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:31:19,341 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:31:19,342 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:31:19,342 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:31:19,345 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:31:19,346 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:31:19" (1/1) ... [2024-12-06 03:31:19,347 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a42a666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:19, skipping insertion in model container [2024-12-06 03:31:19,347 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:31:19" (1/1) ... [2024-12-06 03:31:19,358 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:31:19,460 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_c2f039f8-1a80-4247-9926-46666485b7af/sv-benchmarks/c/floats-esbmc-regression/Double_div.i[804,817] [2024-12-06 03:31:19,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:31:19,475 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:31:19,483 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_c2f039f8-1a80-4247-9926-46666485b7af/sv-benchmarks/c/floats-esbmc-regression/Double_div.i[804,817] [2024-12-06 03:31:19,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:31:19,495 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:31:19,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:19 WrapperNode [2024-12-06 03:31:19,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:31:19,496 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:31:19,496 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:31:19,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:31:19,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:19" (1/1) ... [2024-12-06 03:31:19,506 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:19" (1/1) ... [2024-12-06 03:31:19,517 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24 [2024-12-06 03:31:19,517 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:31:19,518 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:31:19,518 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:31:19,518 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:31:19,523 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:19" (1/1) ... [2024-12-06 03:31:19,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:19" (1/1) ... [2024-12-06 03:31:19,524 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:19" (1/1) ... [2024-12-06 03:31:19,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:19" (1/1) ... [2024-12-06 03:31:19,526 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:19" (1/1) ... [2024-12-06 03:31:19,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:19" (1/1) ... [2024-12-06 03:31:19,529 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:19" (1/1) ... [2024-12-06 03:31:19,530 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:19" (1/1) ... [2024-12-06 03:31:19,530 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:19" (1/1) ... [2024-12-06 03:31:19,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:31:19,532 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:31:19,532 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:31:19,532 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:31:19,533 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:19" (1/1) ... [2024-12-06 03:31:19,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:31:19,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:31:19,557 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:31:19,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:31:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:31:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:31:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:31:19,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:31:19,631 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:31:19,633 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:31:19,708 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 03:31:19,708 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:31:19,733 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:31:19,733 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:31:19,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:31:19 BoogieIcfgContainer [2024-12-06 03:31:19,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:31:19,734 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:31:19,734 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:31:19,744 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:31:19,744 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:31:19" (1/1) ... [2024-12-06 03:31:19,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:31:19,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:31:19,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:31:19,799 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:31:19,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:31:19,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:31:19,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:31:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:31:19,878 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:31:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:31:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:31:19,913 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:31:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:31:19,925 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:31:19,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:31:19 ImpRootNode [2024-12-06 03:31:19,941 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:31:19,941 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:31:19,941 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:31:19,942 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:31:19,942 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:31:19" (3/4) ... [2024-12-06 03:31:19,945 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:31:19,946 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:31:19,946 INFO L158 Benchmark]: Toolchain (without parser) took 605.58ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 84.6MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 03:31:19,947 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:31:19,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 153.91ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 106.4MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:31:19,947 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.19ms. 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 03:31:19,948 INFO L158 Benchmark]: Boogie Preprocessor took 13.44ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.6MB in the end (delta: 655.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:31:19,948 INFO L158 Benchmark]: RCFGBuilder took 201.29ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 94.6MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:31:19,949 INFO L158 Benchmark]: CodeCheck took 206.83ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 84.8MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:31:19,949 INFO L158 Benchmark]: Witness Printer took 4.26ms. Allocated memory is still 142.6MB. Free memory was 84.8MB in the beginning and 84.6MB in the end (delta: 198.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:31:19,951 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/2.5; [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 0.30ms. Allocated memory is still 142.6MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 153.91ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 106.4MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.19ms. 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 13.44ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.6MB in the end (delta: 655.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 201.29ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 94.6MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 206.83ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 84.8MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.26ms. Allocated memory is still 142.6MB. Free memory was 84.8MB in the beginning and 84.6MB in the end (delta: 198.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 03:31:19,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/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_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/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_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/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_c2f039f8-1a80-4247-9926-46666485b7af/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 2f4e199f6665b6821475945a72290dab8d4d620db3a5150842d6f2ec9f4c430d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:31:21,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:31:21,968 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 03:31:21,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:31:21,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:31:21,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:31:21,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:31:21,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:31:21,994 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:31:21,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:31:21,995 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:31:21,995 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:31:21,995 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:31:21,995 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:31:21,995 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:31:21,995 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:31:21,995 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:31:21,995 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:31:21,995 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:31:21,995 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:31:21,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:31:21,996 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:31:21,996 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:31:21,996 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:31:21,996 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:31:21,996 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:31:21,996 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:31:21,996 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:31:21,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:31:21,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:31:21,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:31:21,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:31:21,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:31:21,997 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:31:21,997 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:31:21,997 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:31:21,997 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_c2f039f8-1a80-4247-9926-46666485b7af/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 -> 2f4e199f6665b6821475945a72290dab8d4d620db3a5150842d6f2ec9f4c430d [2024-12-06 03:31:22,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:31:22,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:31:22,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:31:22,248 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:31:22,248 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:31:22,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-esbmc-regression/Double_div.i [2024-12-06 03:31:24,868 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/data/18ecf0856/aa0ba098d19b4880a6e96421486d0913/FLAG7afa2d997 [2024-12-06 03:31:25,082 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:31:25,083 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/sv-benchmarks/c/floats-esbmc-regression/Double_div.i [2024-12-06 03:31:25,090 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/data/18ecf0856/aa0ba098d19b4880a6e96421486d0913/FLAG7afa2d997 [2024-12-06 03:31:25,450 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/data/18ecf0856/aa0ba098d19b4880a6e96421486d0913 [2024-12-06 03:31:25,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:31:25,452 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:31:25,453 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:31:25,453 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:31:25,456 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:31:25,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:31:25" (1/1) ... [2024-12-06 03:31:25,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f74f422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:25, skipping insertion in model container [2024-12-06 03:31:25,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:31:25" (1/1) ... [2024-12-06 03:31:25,469 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:31:25,589 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_c2f039f8-1a80-4247-9926-46666485b7af/sv-benchmarks/c/floats-esbmc-regression/Double_div.i[804,817] [2024-12-06 03:31:25,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:31:25,608 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:31:25,616 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_c2f039f8-1a80-4247-9926-46666485b7af/sv-benchmarks/c/floats-esbmc-regression/Double_div.i[804,817] [2024-12-06 03:31:25,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:31:25,630 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:31:25,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:25 WrapperNode [2024-12-06 03:31:25,631 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:31:25,632 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:31:25,632 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:31:25,632 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:31:25,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:25" (1/1) ... [2024-12-06 03:31:25,642 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:25" (1/1) ... [2024-12-06 03:31:25,653 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2024-12-06 03:31:25,653 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:31:25,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:31:25,654 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:31:25,654 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:31:25,658 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:25" (1/1) ... [2024-12-06 03:31:25,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:25" (1/1) ... [2024-12-06 03:31:25,660 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:25" (1/1) ... [2024-12-06 03:31:25,660 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:25" (1/1) ... [2024-12-06 03:31:25,665 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:25" (1/1) ... [2024-12-06 03:31:25,666 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:25" (1/1) ... [2024-12-06 03:31:25,669 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:25" (1/1) ... [2024-12-06 03:31:25,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:25" (1/1) ... [2024-12-06 03:31:25,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:25" (1/1) ... [2024-12-06 03:31:25,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:31:25,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:31:25,673 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:31:25,673 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:31:25,674 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:31:25" (1/1) ... [2024-12-06 03:31:25,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:31:25,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:31:25,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:31:25,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:31:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:31:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:31:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:31:25,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:31:25,766 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:31:25,768 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:31:27,424 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 03:31:27,424 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:31:27,450 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:31:27,450 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:31:27,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:31:27 BoogieIcfgContainer [2024-12-06 03:31:27,451 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:31:27,451 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:31:27,451 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:31:27,461 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:31:27,461 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:31:27" (1/1) ... [2024-12-06 03:31:27,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:31:27,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:31:27,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:31:27,504 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:31:27,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:31:27,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:31:27,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:31:27,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:31:27,508 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:31:27,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:31:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:28,061 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:31:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:28,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 03:31:28,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:31:30,779 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 03:31:30,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:31:36,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:31:38,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:31:42,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:31:42,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:31:42,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 03:31:42,487 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 03:31:42,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:31:42,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:31:42,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:31:42,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:31:42,489 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:31:42,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:31:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:43,701 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:31:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:47,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 03:31:47,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:32:00,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:32:00,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 03:32:21,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:32:24,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:32:31,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:33:10,261 WARN L286 SmtUtils]: Spent 14.09s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:33:11,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:33:44,346 WARN L286 SmtUtils]: Spent 14.71s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:33:45,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:33:51,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:33:53,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:33:56,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:34:01,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:34:06,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:34:07,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:34:07,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2024-12-06 03:34:07,008 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2024-12-06 03:34:07,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:34:07,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:34:07,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:34:07,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:34:07,011 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:34:07,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:34:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:34:08,904 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:34:18,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:34:19,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-06 03:34:19,338 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 03:34:19,342 INFO L158 Benchmark]: Toolchain (without parser) took 173889.54ms. Allocated memory is still 92.3MB. Free memory was 70.5MB in the beginning and 43.7MB in the end (delta: 26.8MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-12-06 03:34:19,342 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:34:19,343 INFO L158 Benchmark]: CACSL2BoogieTranslator took 177.84ms. Allocated memory is still 92.3MB. Free memory was 70.3MB in the beginning and 59.1MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:34:19,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.49ms. Allocated memory is still 92.3MB. Free memory was 59.1MB in the beginning and 58.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:34:19,343 INFO L158 Benchmark]: Boogie Preprocessor took 18.85ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 57.1MB in the end (delta: 903.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:34:19,344 INFO L158 Benchmark]: RCFGBuilder took 1777.77ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 46.9MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:34:19,344 INFO L158 Benchmark]: CodeCheck took 171889.84ms. Allocated memory is still 92.3MB. Free memory was 46.8MB in the beginning and 43.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2024-12-06 03:34:19,346 INFO L338 ainManager$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 0.32ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 177.84ms. Allocated memory is still 92.3MB. Free memory was 70.3MB in the beginning and 59.1MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.49ms. Allocated memory is still 92.3MB. Free memory was 59.1MB in the beginning and 58.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.85ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 57.1MB in the end (delta: 903.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1777.77ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 46.9MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 171889.84ms. Allocated memory is still 92.3MB. Free memory was 46.8MB in the beginning and 43.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 03:34:19,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f039f8-1a80-4247-9926-46666485b7af/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