./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 54d39a6a3598707eb000bd324eee861653a2a39c1655837786308f3da9918a18 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:38:03,208 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:38:03,307 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:38:03,312 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:38:03,313 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:38:03,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:38:03,340 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:38:03,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:38:03,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:38:03,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:38:03,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:38:03,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:38:03,341 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:38:03,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:38:03,342 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:38:03,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:38:03,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:38:03,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:38:03,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:38:03,342 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:38:03,343 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:38:03,343 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:38:03,343 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:38:03,343 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:38:03,343 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:38:03,343 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:38:03,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:38:03,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:38:03,344 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:38:03,344 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:38:03,344 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:38:03,344 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:38:03,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:38:03,345 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_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54d39a6a3598707eb000bd324eee861653a2a39c1655837786308f3da9918a18 [2024-11-13 16:38:03,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:38:03,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:38:03,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:38:03,696 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:38:03,696 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:38:03,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c.p+cfa-reducer.c Unable to find full path for "g++" [2024-11-13 16:38:05,885 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:38:06,164 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:38:06,165 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c.p+cfa-reducer.c [2024-11-13 16:38:06,176 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/data/60494e7d5/de5d8fce9d2b442491f95bb63204c83b/FLAG997290d48 [2024-11-13 16:38:06,467 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/data/60494e7d5/de5d8fce9d2b442491f95bb63204c83b [2024-11-13 16:38:06,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:38:06,473 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:38:06,476 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:38:06,476 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:38:06,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:38:06,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:38:06" (1/1) ... [2024-11-13 16:38:06,485 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af44c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:06, skipping insertion in model container [2024-11-13 16:38:06,487 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:38:06" (1/1) ... [2024-11-13 16:38:06,511 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:38:06,729 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_643669a7-1d14-477c-ab11-99ae50963128/sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c.p+cfa-reducer.c[2369,2382] [2024-11-13 16:38:06,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:38:06,754 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:38:06,779 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_643669a7-1d14-477c-ab11-99ae50963128/sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c.p+cfa-reducer.c[2369,2382] [2024-11-13 16:38:06,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:38:06,799 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:38:06,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:06 WrapperNode [2024-11-13 16:38:06,800 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:38:06,801 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:38:06,801 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:38:06,802 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:38:06,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:06" (1/1) ... [2024-11-13 16:38:06,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:06" (1/1) ... [2024-11-13 16:38:06,842 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 97 [2024-11-13 16:38:06,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:38:06,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:38:06,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:38:06,845 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:38:06,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:06" (1/1) ... [2024-11-13 16:38:06,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:06" (1/1) ... [2024-11-13 16:38:06,855 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:06" (1/1) ... [2024-11-13 16:38:06,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:06" (1/1) ... [2024-11-13 16:38:06,861 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:06" (1/1) ... [2024-11-13 16:38:06,868 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:06" (1/1) ... [2024-11-13 16:38:06,872 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:06" (1/1) ... [2024-11-13 16:38:06,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:06" (1/1) ... [2024-11-13 16:38:06,875 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:38:06,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:38:06,879 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:38:06,880 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:38:06,881 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:06" (1/1) ... [2024-11-13 16:38:06,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:38:06,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:38:06,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:38:06,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:38:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:38:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:38:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:38:06,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:38:07,071 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:38:07,074 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:38:07,308 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 16:38:07,309 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:38:07,349 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:38:07,349 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:38:07,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:38:07 BoogieIcfgContainer [2024-11-13 16:38:07,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:38:07,350 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:38:07,350 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:38:07,362 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:38:07,362 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:38:07" (1/1) ... [2024-11-13 16:38:07,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:38:07,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:07,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2024-11-13 16:38:07,432 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2024-11-13 16:38:07,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 16:38:07,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:07,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:07,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:38:07,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:07,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-13 16:38:07,902 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-13 16:38:07,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 16:38:07,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:07,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:38:07,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:38:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:38:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:38:08,041 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:38:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:38:08,098 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 16:38:08,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:38:08 ImpRootNode [2024-11-13 16:38:08,151 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:38:08,153 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:38:08,153 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:38:08,154 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:38:08,154 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:38:07" (3/4) ... [2024-11-13 16:38:08,156 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:38:08,157 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:38:08,158 INFO L158 Benchmark]: Toolchain (without parser) took 1685.13ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 47.0MB in the end (delta: 46.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 16:38:08,159 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:38:08,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.41ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.2MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:38:08,160 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.06ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:38:08,160 INFO L158 Benchmark]: Boogie Preprocessor took 34.48ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.2MB in the end (delta: 843.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:38:08,161 INFO L158 Benchmark]: RCFGBuilder took 470.18ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 67.8MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:38:08,161 INFO L158 Benchmark]: CodeCheck took 800.54ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 47.3MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:38:08,166 INFO L158 Benchmark]: Witness Printer took 4.06ms. Allocated memory is still 117.4MB. Free memory was 47.3MB in the beginning and 47.0MB in the end (delta: 238.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:38:08,168 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 16 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 - UnprovableResult [Line: 101]: 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 85, overapproximation of someBinaryArithmeticDOUBLEoperation at line 139, overapproximation of someUnaryDOUBLEoperation at line 42, overapproximation of someBinaryDOUBLEComparisonOperation at line 44, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 21, overapproximation of someBinaryDOUBLEComparisonOperation at line 126. Possible FailurePath: [L1] int __return_main; [L11] double _EPS = 0.0000010; [L14] double __return_125; [L17] double main__d; [L18] double main__r; [L19] main__d = 1.0 VAL [_EPS=1/1000000, __return_125=0, __return_main=0, main__d=1] [L21] COND TRUE main__d <= 20.0 [L24] double __tmp_1; [L25] __tmp_1 = main__d [L26] double SqrtR__Input; [L27] SqrtR__Input = __tmp_1 [L28] double SqrtR__xn; [L29] double SqrtR__xnp1; [L30] double SqrtR__residu; [L31] double SqrtR__lsup; [L32] double SqrtR__linf; [L33] int SqrtR__i; [L34] int SqrtR__cond; [L35] COND TRUE SqrtR__Input <= 1.0 [L37] SqrtR__xn = 1.0 [L39] SqrtR__xnp1 = SqrtR__xn [L40] SqrtR__residu = (2.0 * _EPS) * (SqrtR__xn + SqrtR__xnp1) [L41] SqrtR__lsup = _EPS * (SqrtR__xn + SqrtR__xnp1) [L42] SqrtR__linf = -SqrtR__lsup [L43] int SqrtR____CPAchecker_TMP_0; VAL [_EPS=1/1000000, __return_125=0, __return_main=0] [L44] COND FALSE !(SqrtR__residu > SqrtR__lsup) VAL [_EPS=1/1000000, __return_125=0, __return_main=0] [L126] COND FALSE !(SqrtR__residu < SqrtR__linf) [L132] SqrtR____CPAchecker_TMP_0 = 0 VAL [SqrtR____CPAchecker_TMP_0=0, _EPS=1/1000000, __return_125=0, __return_main=0] [L49] SqrtR__cond = SqrtR____CPAchecker_TMP_0 [L50] SqrtR__i = 0 VAL [SqrtR__cond=0, SqrtR__i=0, _EPS=1/1000000, __return_125=0, __return_main=0] [L52] COND FALSE !(!(SqrtR__cond == 0)) [L85] __return_125 = 1.0 / SqrtR__xnp1 [L86] main__r = __return_125 [L87] int main____CPAchecker_TMP_0; VAL [SqrtR__i=0, _EPS=1/1000000, __return_125=2, __return_main=0] [L88] COND FALSE !(main__r >= 1.0) VAL [SqrtR__i=0, _EPS=1/1000000, __return_125=2, __return_main=0] [L114] main____CPAchecker_TMP_0 = 0 VAL [SqrtR__i=0, _EPS=1/1000000, __return_125=2, __return_main=0, main____CPAchecker_TMP_0=0] [L95] int __tmp_2; [L96] __tmp_2 = main____CPAchecker_TMP_0 [L97] int __VERIFIER_assert__cond; [L98] __VERIFIER_assert__cond = __tmp_2 VAL [SqrtR__i=0, _EPS=1/1000000, __VERIFIER_assert__cond=0, __return_125=2, __return_main=0] [L99] COND TRUE __VERIFIER_assert__cond == 0 VAL [SqrtR__i=0, _EPS=1/1000000, __return_125=2, __return_main=0] [L101] reach_error() VAL [SqrtR__i=0, _EPS=1/1000000, __return_125=2, __return_main=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.41ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.2MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.06ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.48ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.2MB in the end (delta: 843.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 470.18ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 67.8MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 800.54ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 47.3MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.06ms. Allocated memory is still 117.4MB. Free memory was 47.3MB in the beginning and 47.0MB in the end (delta: 238.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:38:08,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 54d39a6a3598707eb000bd324eee861653a2a39c1655837786308f3da9918a18 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:38:11,533 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:38:11,680 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 16:38:11,732 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:38:11,734 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:38:11,734 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:38:11,735 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:38:11,735 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:38:11,736 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:38:11,736 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:38:11,736 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:38:11,737 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:38:11,737 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:38:11,737 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:38:11,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:38:11,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:38:11,738 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:38:11,738 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:38:11,739 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:38:11,739 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:38:11,739 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:38:11,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:38:11,740 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:38:11,741 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:38:11,741 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:38:11,741 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:38:11,741 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:38:11,741 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:38:11,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:38:11,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:38:11,742 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:38:11,742 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:38:11,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:38:11,742 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:38:11,742 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:38:11,742 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:38:11,743 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_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54d39a6a3598707eb000bd324eee861653a2a39c1655837786308f3da9918a18 [2024-11-13 16:38:12,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:38:12,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:38:12,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:38:12,162 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:38:12,162 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:38:12,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c.p+cfa-reducer.c Unable to find full path for "g++" [2024-11-13 16:38:14,396 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:38:14,686 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:38:14,687 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c.p+cfa-reducer.c [2024-11-13 16:38:14,697 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/data/bf524f69e/4144a13aae7641339c69dfa38b305df3/FLAG611700fab [2024-11-13 16:38:14,965 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/data/bf524f69e/4144a13aae7641339c69dfa38b305df3 [2024-11-13 16:38:14,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:38:14,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:38:14,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:38:14,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:38:14,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:38:14,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:38:14" (1/1) ... [2024-11-13 16:38:14,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c54a079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:14, skipping insertion in model container [2024-11-13 16:38:14,979 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:38:14" (1/1) ... [2024-11-13 16:38:15,004 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:38:15,279 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_643669a7-1d14-477c-ab11-99ae50963128/sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c.p+cfa-reducer.c[2369,2382] [2024-11-13 16:38:15,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:38:15,320 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:38:15,358 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_643669a7-1d14-477c-ab11-99ae50963128/sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c.p+cfa-reducer.c[2369,2382] [2024-11-13 16:38:15,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:38:15,394 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:38:15,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:15 WrapperNode [2024-11-13 16:38:15,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:38:15,397 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:38:15,397 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:38:15,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:38:15,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:15" (1/1) ... [2024-11-13 16:38:15,429 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:15" (1/1) ... [2024-11-13 16:38:15,462 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 98 [2024-11-13 16:38:15,462 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:38:15,463 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:38:15,463 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:38:15,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:38:15,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:15" (1/1) ... [2024-11-13 16:38:15,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:15" (1/1) ... [2024-11-13 16:38:15,475 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:15" (1/1) ... [2024-11-13 16:38:15,475 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:15" (1/1) ... [2024-11-13 16:38:15,488 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:15" (1/1) ... [2024-11-13 16:38:15,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:15" (1/1) ... [2024-11-13 16:38:15,495 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:15" (1/1) ... [2024-11-13 16:38:15,496 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:15" (1/1) ... [2024-11-13 16:38:15,505 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:38:15,510 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:38:15,510 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:38:15,510 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:38:15,511 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:15" (1/1) ... [2024-11-13 16:38:15,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:38:15,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:38:15,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:38:15,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:38:15,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:38:15,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:38:15,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:38:15,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:38:15,702 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:38:15,706 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:38:47,476 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-13 16:38:47,477 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:38:47,517 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:38:47,517 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:38:47,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:38:47 BoogieIcfgContainer [2024-11-13 16:38:47,518 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:38:47,519 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:38:47,519 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:38:47,532 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:38:47,533 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:38:47" (1/1) ... [2024-11-13 16:38:47,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:38:47,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:47,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2024-11-13 16:38:47,608 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2024-11-13 16:38:47,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 16:38:47,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:47,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:38:47,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:38:47,616 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:38:47,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:38:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:47,939 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:38:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:48,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:38:48,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:38:48,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:38:48,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 16:38:58,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:38:59,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:59,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-13 16:38:59,972 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-13 16:38:59,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 16:38:59,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:59,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:38:59,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:38:59,977 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:38:59,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:39:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:03,081 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:39:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:39:14,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 16:39:14,101 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 16:39:14,106 INFO L158 Benchmark]: Toolchain (without parser) took 59137.12ms. Allocated memory is still 117.4MB. Free memory was 95.1MB in the beginning and 48.7MB in the end (delta: 46.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 16:39:14,106 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:39:14,107 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.29ms. Allocated memory is still 117.4MB. Free memory was 94.9MB in the beginning and 82.8MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:39:14,107 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.00ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 81.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:39:14,110 INFO L158 Benchmark]: Boogie Preprocessor took 42.47ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.2MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:39:14,111 INFO L158 Benchmark]: RCFGBuilder took 32008.23ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 66.8MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:39:14,112 INFO L158 Benchmark]: CodeCheck took 26585.84ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 48.7MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:39:14,115 INFO L338 ainManager$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 0.35ms. Allocated memory is still 83.9MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.29ms. Allocated memory is still 117.4MB. Free memory was 94.9MB in the beginning and 82.8MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.00ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 81.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.47ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.2MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 32008.23ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 66.8MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 26585.84ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 48.7MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 16:39:14,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643669a7-1d14-477c-ab11-99ae50963128/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown