./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.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_e8b49181-e9d3-4127-b370-b92d2db8b990/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/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_e8b49181-e9d3-4127-b370-b92d2db8b990/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/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_e8b49181-e9d3-4127-b370-b92d2db8b990/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 e0a18ef05fc68655f6745bf4a502e0079c3ee8f2ad8ce0a20fedaec28a3ae221 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:54:31,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:54:31,419 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:54:31,423 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:54:31,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:54:31,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:54:31,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:54:31,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:54:31,447 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:54:31,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:54:31,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:54:31,447 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:54:31,448 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:54:31,448 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:54:31,448 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:54:31,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:54:31,448 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:54:31,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:54:31,448 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:54:31,448 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:54:31,448 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:54:31,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:54:31,449 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:54:31,449 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:54:31,449 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:54:31,449 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:54:31,449 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:54:31,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:54:31,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:54:31,450 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:54:31,450 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:54:31,450 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:54:31,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:54:31,450 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_e8b49181-e9d3-4127-b370-b92d2db8b990/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 -> e0a18ef05fc68655f6745bf4a502e0079c3ee8f2ad8ce0a20fedaec28a3ae221 [2024-11-13 20:54:31,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:54:31,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:54:31,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:54:31,727 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:54:31,727 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:54:31,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c Unable to find full path for "g++" [2024-11-13 20:54:33,579 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:54:33,816 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:54:33,816 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c [2024-11-13 20:54:33,825 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/bin/ukojak-verify-EEHR8qb7sm/data/4a3b64638/b5883e58b3da43b4b6f8faf0c49187a1/FLAG54db28760 [2024-11-13 20:54:33,848 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/bin/ukojak-verify-EEHR8qb7sm/data/4a3b64638/b5883e58b3da43b4b6f8faf0c49187a1 [2024-11-13 20:54:33,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:54:33,853 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:54:33,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:54:33,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:54:33,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:54:33,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:54:33" (1/1) ... [2024-11-13 20:54:33,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3304f2d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:33, skipping insertion in model container [2024-11-13 20:54:33,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:54:33" (1/1) ... [2024-11-13 20:54:33,884 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:54:34,066 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_e8b49181-e9d3-4127-b370-b92d2db8b990/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c[855,868] [2024-11-13 20:54:34,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:54:34,110 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:54:34,122 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_e8b49181-e9d3-4127-b370-b92d2db8b990/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c[855,868] [2024-11-13 20:54:34,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:54:34,158 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:54:34,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:34 WrapperNode [2024-11-13 20:54:34,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:54:34,162 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:54:34,162 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:54:34,162 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:54:34,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:34" (1/1) ... [2024-11-13 20:54:34,176 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:34" (1/1) ... [2024-11-13 20:54:34,193 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2024-11-13 20:54:34,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:54:34,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:54:34,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:54:34,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:54:34,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:34" (1/1) ... [2024-11-13 20:54:34,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:34" (1/1) ... [2024-11-13 20:54:34,207 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:34" (1/1) ... [2024-11-13 20:54:34,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:34" (1/1) ... [2024-11-13 20:54:34,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:34" (1/1) ... [2024-11-13 20:54:34,223 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:34" (1/1) ... [2024-11-13 20:54:34,224 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:34" (1/1) ... [2024-11-13 20:54:34,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:34" (1/1) ... [2024-11-13 20:54:34,230 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:54:34,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:54:34,231 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:54:34,231 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:54:34,235 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:34" (1/1) ... [2024-11-13 20:54:34,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:54:34,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:54:34,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:54:34,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:54:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:54:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:54:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:54:34,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:54:34,375 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:54:34,377 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:54:34,514 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 20:54:34,514 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:54:34,569 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:54:34,569 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 20:54:34,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:54:34 BoogieIcfgContainer [2024-11-13 20:54:34,570 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:54:34,571 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:54:34,571 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:54:34,583 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:54:34,583 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:54:34" (1/1) ... [2024-11-13 20:54:34,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:54:34,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:34,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 20:54:34,645 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 20:54:34,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 20:54:34,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:34,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:54:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:54:34,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:54:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:54:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:54:34,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:54:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:54:34,877 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:54:34,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:54:34 ImpRootNode [2024-11-13 20:54:34,911 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:54:34,912 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:54:34,912 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:54:34,913 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:54:34,914 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:54:34" (3/4) ... [2024-11-13 20:54:34,918 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:54:34,919 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:54:34,922 INFO L158 Benchmark]: Toolchain (without parser) took 1067.12ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 54.5MB in the end (delta: 37.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 20:54:34,922 INFO L158 Benchmark]: CDTParser took 1.28ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:54:34,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.68ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 80.8MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:54:34,924 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.86ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.8MB in the end (delta: 970.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:54:34,925 INFO L158 Benchmark]: Boogie Preprocessor took 33.68ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 79.0MB in the end (delta: 810.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:54:34,925 INFO L158 Benchmark]: RCFGBuilder took 339.46ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 66.5MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:54:34,926 INFO L158 Benchmark]: CodeCheck took 340.67ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 54.5MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:54:34,929 INFO L158 Benchmark]: Witness Printer took 6.80ms. Allocated memory is still 117.4MB. Free memory is still 54.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:54:34,931 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, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 20]: 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 44, overapproximation of someBinaryArithmeticDOUBLEoperation at line 28, overapproximation of someUnaryDOUBLEoperation at line 32, overapproximation of someBinaryDOUBLEComparisonOperation at line 52, overapproximation of someBinaryDOUBLEComparisonOperation at line 59. Possible FailurePath: [L22] double _EPS = 1e-6; [L49] double d, dd, r; [L50] double epsilon = 1e-8; [L52] d = 1. VAL [_EPS=1/1000000] [L52] COND TRUE d <= 20. [L54] dd = __VERIFIER_nondet_double() [L55] CALL assume_abort_if_not(dd >= d-epsilon && dd <= d+epsilon) [L18] COND FALSE !(!cond) [L55] RET assume_abort_if_not(dd >= d-epsilon && dd <= d+epsilon) [L57] CALL, EXPR SqrtR(dd) [L26] double xn, xnp1, residu, lsup, linf; [L27] int i, cond; [L28] COND FALSE !(Input <= 1.0) [L28] xn = 1.0/Input [L29] xnp1 = xn [L30] residu = 2.0*_EPS*(xn+xnp1) [L31] lsup = _EPS * (xn+xnp1) [L32] linf = -lsup [L33] cond = ((residu > lsup) || (residu < linf)) [L34] i = 0 VAL [_EPS=1/1000000, cond=0, i=0] [L35] COND FALSE !(\read(cond)) [L44] return 1.0 / xnp1; [L57] RET, EXPR SqrtR(dd) [L57] r = SqrtR(dd) [L59] CALL __VERIFIER_assert(r >= 0.9 && r <= 5.) [L20] COND TRUE !(cond) VAL [_EPS=1/1000000] [L20] reach_error() VAL [_EPS=1/1000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.28ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.68ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 80.8MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.86ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.8MB in the end (delta: 970.2kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.68ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 79.0MB in the end (delta: 810.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 339.46ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 66.5MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 340.67ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 54.5MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 6.80ms. Allocated memory is still 117.4MB. Free memory is still 54.5MB. 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 20:54:34,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/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_e8b49181-e9d3-4127-b370-b92d2db8b990/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/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_e8b49181-e9d3-4127-b370-b92d2db8b990/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/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_e8b49181-e9d3-4127-b370-b92d2db8b990/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 e0a18ef05fc68655f6745bf4a502e0079c3ee8f2ad8ce0a20fedaec28a3ae221 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:54:37,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:54:37,693 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:54:37,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:54:37,726 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:54:37,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:54:37,726 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:54:37,726 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:54:37,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:54:37,727 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:54:37,727 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:54:37,727 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:54:37,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:54:37,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:54:37,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:54:37,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:54:37,727 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:54:37,727 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:54:37,728 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:54:37,728 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:54:37,728 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:54:37,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:54:37,728 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:54:37,728 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:54:37,728 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:54:37,728 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:54:37,728 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:37,728 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:54:37,729 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:54:37,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:54:37,729 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:54:37,729 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:54:37,729 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:54:37,729 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:54:37,729 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:37,729 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:54:37,730 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_e8b49181-e9d3-4127-b370-b92d2db8b990/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 -> e0a18ef05fc68655f6745bf4a502e0079c3ee8f2ad8ce0a20fedaec28a3ae221 [2024-11-13 20:54:38,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:54:38,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:54:38,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:54:38,062 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:54:38,063 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:54:38,064 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c Unable to find full path for "g++" [2024-11-13 20:54:40,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:54:40,226 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:54:40,230 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c [2024-11-13 20:54:40,240 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/bin/ukojak-verify-EEHR8qb7sm/data/f9cb597c4/830cb4d1279d48798a0360c2506329bc/FLAG575337c00 [2024-11-13 20:54:40,266 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/bin/ukojak-verify-EEHR8qb7sm/data/f9cb597c4/830cb4d1279d48798a0360c2506329bc [2024-11-13 20:54:40,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:54:40,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:54:40,275 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:54:40,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:54:40,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:54:40,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:54:40" (1/1) ... [2024-11-13 20:54:40,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b41703f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:40, skipping insertion in model container [2024-11-13 20:54:40,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:54:40" (1/1) ... [2024-11-13 20:54:40,304 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:54:40,485 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_e8b49181-e9d3-4127-b370-b92d2db8b990/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c[855,868] [2024-11-13 20:54:40,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:54:40,544 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:54:40,557 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_e8b49181-e9d3-4127-b370-b92d2db8b990/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c[855,868] [2024-11-13 20:54:40,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:54:40,597 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:54:40,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:40 WrapperNode [2024-11-13 20:54:40,598 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:54:40,599 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:54:40,600 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:54:40,601 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:54:40,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:40" (1/1) ... [2024-11-13 20:54:40,617 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:40" (1/1) ... [2024-11-13 20:54:40,641 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2024-11-13 20:54:40,641 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:54:40,642 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:54:40,642 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:54:40,642 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:54:40,650 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:40" (1/1) ... [2024-11-13 20:54:40,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:40" (1/1) ... [2024-11-13 20:54:40,654 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:40" (1/1) ... [2024-11-13 20:54:40,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:40" (1/1) ... [2024-11-13 20:54:40,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:40" (1/1) ... [2024-11-13 20:54:40,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:40" (1/1) ... [2024-11-13 20:54:40,678 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:40" (1/1) ... [2024-11-13 20:54:40,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:40" (1/1) ... [2024-11-13 20:54:40,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:54:40,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:54:40,688 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:54:40,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:54:40,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:54:40" (1/1) ... [2024-11-13 20:54:40,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:54:40,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:54:40,719 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:54:40,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:54:40,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:54:40,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:54:40,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:54:40,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:54:40,817 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:54:40,819 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:55:05,956 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 20:55:05,956 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:55:06,014 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:55:06,014 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 20:55:06,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:06 BoogieIcfgContainer [2024-11-13 20:55:06,015 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:55:06,016 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:55:06,016 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:55:06,025 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:55:06,025 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:06" (1/1) ... [2024-11-13 20:55:06,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:55:06,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:06,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 20:55:06,083 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 20:55:06,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 20:55:06,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:06,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:06,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:06,091 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:06,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:55:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:10,012 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:55:20,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 20:55:20,467 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 20:55:20,472 INFO L158 Benchmark]: Toolchain (without parser) took 40199.00ms. Allocated memory is still 83.9MB. Free memory was 61.3MB in the beginning and 25.0MB in the end (delta: 36.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 20:55:20,472 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:20,473 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.35ms. Allocated memory is still 83.9MB. Free memory was 61.3MB in the beginning and 49.3MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:55:20,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.75ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 47.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:20,474 INFO L158 Benchmark]: Boogie Preprocessor took 42.10ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 46.9MB in the end (delta: 993.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:20,474 INFO L158 Benchmark]: RCFGBuilder took 25326.99ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 32.9MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:55:20,475 INFO L158 Benchmark]: CodeCheck took 14454.66ms. Allocated memory is still 83.9MB. Free memory was 32.7MB in the beginning and 25.0MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:55:20,477 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 0.38ms. Allocated memory is still 83.9MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.35ms. Allocated memory is still 83.9MB. Free memory was 61.3MB in the beginning and 49.3MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.75ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 47.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.10ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 46.9MB in the end (delta: 993.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 25326.99ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 32.9MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 14454.66ms. Allocated memory is still 83.9MB. Free memory was 32.7MB in the beginning and 25.0MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 20:55:20,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8b49181-e9d3-4127-b370-b92d2db8b990/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