./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c --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_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/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_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/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_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/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 6be8c61124ae7b0d434e1a6e7e7df1be3e3bca0c1d0e7a5376e369656416ef61 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:27:31,367 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:27:31,421 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:27:31,425 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:27:31,425 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:27:31,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:27:31,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:27:31,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:27:31,445 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:27:31,445 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:27:31,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:27:31,445 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:27:31,446 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:27:31,446 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:27:31,446 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:27:31,446 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:27:31,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:27:31,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:27:31,446 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:27:31,446 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:27:31,446 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:27:31,447 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:27:31,447 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:27:31,447 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:27:31,447 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:27:31,447 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:27:31,447 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:27:31,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:27:31,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:27:31,448 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:27:31,448 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:27:31,448 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:27:31,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:27:31,448 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_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/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 -> 6be8c61124ae7b0d434e1a6e7e7df1be3e3bca0c1d0e7a5376e369656416ef61 [2024-12-06 01:27:31,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:27:31,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:27:31,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:27:31,658 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:27:31,658 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:27:31,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2024-12-06 01:27:34,290 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/data/2fdd68e84/9615aaa6395b41ffac9bd7cfb11cf83d/FLAG2d60a0ecc [2024-12-06 01:27:34,495 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:27:34,496 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2024-12-06 01:27:34,503 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/data/2fdd68e84/9615aaa6395b41ffac9bd7cfb11cf83d/FLAG2d60a0ecc [2024-12-06 01:27:34,843 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/data/2fdd68e84/9615aaa6395b41ffac9bd7cfb11cf83d [2024-12-06 01:27:34,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:27:34,846 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:27:34,847 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:27:34,847 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:27:34,850 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:27:34,851 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:27:34" (1/1) ... [2024-12-06 01:27:34,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@546c4e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:34, skipping insertion in model container [2024-12-06 01:27:34,851 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:27:34" (1/1) ... [2024-12-06 01:27:34,861 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:27:34,985 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_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c[352,365] [2024-12-06 01:27:34,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:27:34,999 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:27:35,009 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_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c[352,365] [2024-12-06 01:27:35,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:27:35,023 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:27:35,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:35 WrapperNode [2024-12-06 01:27:35,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:27:35,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:27:35,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:27:35,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:27:35,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:35" (1/1) ... [2024-12-06 01:27:35,036 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:35" (1/1) ... [2024-12-06 01:27:35,049 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2024-12-06 01:27:35,049 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:27:35,049 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:27:35,050 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:27:35,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:27:35,056 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:35" (1/1) ... [2024-12-06 01:27:35,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:35" (1/1) ... [2024-12-06 01:27:35,056 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:35" (1/1) ... [2024-12-06 01:27:35,057 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:35" (1/1) ... [2024-12-06 01:27:35,059 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:35" (1/1) ... [2024-12-06 01:27:35,060 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:35" (1/1) ... [2024-12-06 01:27:35,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:35" (1/1) ... [2024-12-06 01:27:35,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:35" (1/1) ... [2024-12-06 01:27:35,062 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:35" (1/1) ... [2024-12-06 01:27:35,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:27:35,063 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:27:35,063 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:27:35,064 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:27:35,064 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:35" (1/1) ... [2024-12-06 01:27:35,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:27:35,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:27:35,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:27:35,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:27:35,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:27:35,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:27:35,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:27:35,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:27:35,166 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:27:35,167 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:27:35,220 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-12-06 01:27:35,220 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:27:35,237 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:27:35,237 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:27:35,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:27:35 BoogieIcfgContainer [2024-12-06 01:27:35,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:27:35,238 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:27:35,238 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:27:35,248 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:27:35,248 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:27:35" (1/1) ... [2024-12-06 01:27:35,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:27:35,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:27:35,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-06 01:27:35,302 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-06 01:27:35,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 01:27:35,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:27:35,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:27:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:27:35,377 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:27:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:27:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:27:35,415 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:27:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:27:35,425 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:27:35,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:27:35 ImpRootNode [2024-12-06 01:27:35,437 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:27:35,437 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:27:35,438 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:27:35,438 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:27:35,438 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:27:35" (3/4) ... [2024-12-06 01:27:35,440 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:27:35,441 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:27:35,442 INFO L158 Benchmark]: Toolchain (without parser) took 595.52ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 87.1MB in the end (delta: 31.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 01:27:35,442 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:27:35,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 176.71ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 107.5MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:27:35,442 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.88ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.6MB in the end (delta: 931.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:27:35,443 INFO L158 Benchmark]: Boogie Preprocessor took 13.12ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.8MB in the end (delta: 730.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:27:35,443 INFO L158 Benchmark]: RCFGBuilder took 174.06ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 97.1MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:27:35,443 INFO L158 Benchmark]: CodeCheck took 199.01ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 87.4MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:27:35,444 INFO L158 Benchmark]: Witness Printer took 3.44ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 87.1MB in the end (delta: 232.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:27:35,446 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 12]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 9, overapproximation of to_real at line 10. Possible FailurePath: [L6] unsigned int i, j; [L7] double d; [L9] i=100.0 [L10] d=i [L11] j=d [L12] COND TRUE !(j==100) [L12] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 176.71ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 107.5MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.88ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.6MB in the end (delta: 931.2kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.12ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.8MB in the end (delta: 730.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 174.06ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 97.1MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 199.01ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 87.4MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.44ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 87.1MB in the end (delta: 232.8kB). 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 01:27:35,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/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_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/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_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/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_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/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 6be8c61124ae7b0d434e1a6e7e7df1be3e3bca0c1d0e7a5376e369656416ef61 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:27:37,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:27:37,449 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:27:37,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:27:37,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:27:37,482 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:27:37,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:27:37,483 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:27:37,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:27:37,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:27:37,483 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:27:37,483 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:27:37,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:27:37,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:27:37,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:27:37,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:27:37,484 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:27:37,484 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:27:37,484 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:27:37,484 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:27:37,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:27:37,484 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:27:37,484 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:27:37,485 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:27:37,485 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:27:37,485 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:27:37,485 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:27:37,485 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:27:37,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:27:37,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:27:37,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:27:37,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:27:37,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:27:37,486 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:27:37,486 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:27:37,486 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:27:37,486 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_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/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 -> 6be8c61124ae7b0d434e1a6e7e7df1be3e3bca0c1d0e7a5376e369656416ef61 [2024-12-06 01:27:37,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:27:37,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:27:37,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:27:37,720 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:27:37,720 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:27:37,721 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2024-12-06 01:27:40,345 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/data/27ec00f1d/394564833e6a4c809855e9e517845eeb/FLAG0264e75f3 [2024-12-06 01:27:40,565 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:27:40,566 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2024-12-06 01:27:40,572 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/data/27ec00f1d/394564833e6a4c809855e9e517845eeb/FLAG0264e75f3 [2024-12-06 01:27:40,930 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/data/27ec00f1d/394564833e6a4c809855e9e517845eeb [2024-12-06 01:27:40,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:27:40,933 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:27:40,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:27:40,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:27:40,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:27:40,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:27:40" (1/1) ... [2024-12-06 01:27:40,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17e7f225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:40, skipping insertion in model container [2024-12-06 01:27:40,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:27:40" (1/1) ... [2024-12-06 01:27:40,946 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:27:41,052 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_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c[352,365] [2024-12-06 01:27:41,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:27:41,065 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:27:41,074 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_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c[352,365] [2024-12-06 01:27:41,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:27:41,087 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:27:41,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:41 WrapperNode [2024-12-06 01:27:41,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:27:41,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:27:41,088 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:27:41,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:27:41,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:41" (1/1) ... [2024-12-06 01:27:41,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:41" (1/1) ... [2024-12-06 01:27:41,109 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-12-06 01:27:41,109 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:27:41,110 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:27:41,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:27:41,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:27:41,115 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:41" (1/1) ... [2024-12-06 01:27:41,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:41" (1/1) ... [2024-12-06 01:27:41,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:41" (1/1) ... [2024-12-06 01:27:41,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:41" (1/1) ... [2024-12-06 01:27:41,122 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:41" (1/1) ... [2024-12-06 01:27:41,123 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:41" (1/1) ... [2024-12-06 01:27:41,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:41" (1/1) ... [2024-12-06 01:27:41,125 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:41" (1/1) ... [2024-12-06 01:27:41,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:41" (1/1) ... [2024-12-06 01:27:41,127 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:27:41,128 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:27:41,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:27:41,128 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:27:41,129 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:41" (1/1) ... [2024-12-06 01:27:41,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:27:41,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:27:41,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:27:41,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:27:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:27:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:27:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:27:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:27:41,232 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:27:41,233 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:27:41,365 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 01:27:41,365 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:27:41,389 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:27:41,389 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:27:41,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:27:41 BoogieIcfgContainer [2024-12-06 01:27:41,390 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:27:41,390 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:27:41,391 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:27:41,400 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:27:41,400 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:27:41" (1/1) ... [2024-12-06 01:27:41,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:27:41,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:27:41,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-06 01:27:41,449 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-06 01:27:41,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 01:27:41,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:27:41,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:27:41,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:27:41,453 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:27:41,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:27:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:27:41,503 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:27:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:27:41,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:27:41,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:27:41,600 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 01:27:41,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:27:41,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:27:41,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-12-06 01:27:41,658 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-12-06 01:27:41,659 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 01:27:41,659 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-12-06 01:27:41,665 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 01:27:41,686 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 01:27:41,686 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2024-12-06 01:27:41,686 INFO L77 FloydHoareUtils]: At program point L12(line 12) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_main_~j~0#1| ((_ fp.to_ubv 32) roundTowardZero ((_ to_fp_unsigned 11 53) currentRoundingMode ((_ fp.to_ubv 32) roundTowardZero ((_ to_fp 11 53) currentRoundingMode 100.0)))))) [2024-12-06 01:27:41,687 INFO L75 FloydHoareUtils]: For program point L12-1(line 12) no Hoare annotation was computed. [2024-12-06 01:27:41,687 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 01:27:41,687 INFO L77 FloydHoareUtils]: At program point L4(lines 4 13) the Hoare annotation is: true [2024-12-06 01:27:41,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:27:41 ImpRootNode [2024-12-06 01:27:41,690 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:27:41,691 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:27:41,691 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:27:41,691 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:27:41,692 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:27:41" (3/4) ... [2024-12-06 01:27:41,694 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 01:27:41,698 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-12-06 01:27:41,698 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-06 01:27:41,698 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 01:27:41,699 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 01:27:41,750 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:27:41,751 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:27:41,751 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:27:41,751 INFO L158 Benchmark]: Toolchain (without parser) took 818.68ms. Allocated memory is still 92.3MB. Free memory was 70.5MB in the beginning and 60.9MB in the end (delta: 9.6MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-12-06 01:27:41,752 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:27:41,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 154.57ms. Allocated memory is still 92.3MB. Free memory was 70.3MB in the beginning and 59.3MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:27:41,752 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.89ms. Allocated memory is still 92.3MB. Free memory was 59.3MB in the beginning and 58.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:27:41,753 INFO L158 Benchmark]: Boogie Preprocessor took 18.00ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 57.4MB in the end (delta: 785.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:27:41,753 INFO L158 Benchmark]: RCFGBuilder took 261.63ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 47.7MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:27:41,753 INFO L158 Benchmark]: CodeCheck took 299.87ms. Allocated memory is still 92.3MB. Free memory was 47.6MB in the beginning and 65.1MB in the end (delta: -17.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:27:41,754 INFO L158 Benchmark]: Witness Printer took 59.61ms. Allocated memory is still 92.3MB. Free memory was 65.1MB in the beginning and 60.9MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:27:41,756 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 1 QuantifiedInterpolants, 13 SizeOfPredicates, 1 NumberOfNonLiveVariables, 16 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 12]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 154.57ms. Allocated memory is still 92.3MB. Free memory was 70.3MB in the beginning and 59.3MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.89ms. Allocated memory is still 92.3MB. Free memory was 59.3MB in the beginning and 58.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.00ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 57.4MB in the end (delta: 785.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 261.63ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 47.7MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 299.87ms. Allocated memory is still 92.3MB. Free memory was 47.6MB in the beginning and 65.1MB in the end (delta: -17.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 59.61ms. Allocated memory is still 92.3MB. Free memory was 65.1MB in the beginning and 60.9MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 01:27:41,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaff5daa-dbde-4b5d-b5d9-6c7fa6fc2d82/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: TRUE