./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_poly.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_poly.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9ff417092ff6ab1dae16b3d719851bc30771c0c1117076f87d0e779624eadca8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:07:21,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:07:21,377 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 06:07:21,381 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:07:21,381 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:07:21,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:07:21,401 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:07:21,401 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:07:21,401 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:07:21,401 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:07:21,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:07:21,402 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:07:21,402 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:07:21,402 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:07:21,402 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:07:21,402 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:07:21,402 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:07:21,402 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:07:21,402 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:07:21,402 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:07:21,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:07:21,403 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:07:21,403 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:07:21,403 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:07:21,403 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:07:21,403 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:07:21,403 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:07:21,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:07:21,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:07:21,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:07:21,404 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:07:21,404 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:07:21,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:07:21,404 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_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ff417092ff6ab1dae16b3d719851bc30771c0c1117076f87d0e779624eadca8 [2024-12-06 06:07:21,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:07:21,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:07:21,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:07:21,624 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:07:21,625 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:07:21,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/sqrt_poly.c [2024-12-06 06:07:24,223 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/data/f335238df/e0dc418fa21d414d8760dd41f3a6f4a5/FLAG533651a52 [2024-12-06 06:07:24,431 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:07:24,431 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/sv-benchmarks/c/float-benchs/sqrt_poly.c [2024-12-06 06:07:24,438 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/data/f335238df/e0dc418fa21d414d8760dd41f3a6f4a5/FLAG533651a52 [2024-12-06 06:07:24,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/data/f335238df/e0dc418fa21d414d8760dd41f3a6f4a5 [2024-12-06 06:07:24,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:07:24,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:07:24,813 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:07:24,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:07:24,816 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:07:24,816 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:24,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa5afda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24, skipping insertion in model container [2024-12-06 06:07:24,817 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:24,830 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:07:24,942 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_8520264e-f599-4c30-8789-1d9204bb7329/sv-benchmarks/c/float-benchs/sqrt_poly.c[671,684] [2024-12-06 06:07:24,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:07:24,964 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:07:24,972 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_8520264e-f599-4c30-8789-1d9204bb7329/sv-benchmarks/c/float-benchs/sqrt_poly.c[671,684] [2024-12-06 06:07:24,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:07:24,988 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:07:24,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24 WrapperNode [2024-12-06 06:07:24,988 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:07:24,989 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:07:24,989 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:07:24,989 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:07:24,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:25,002 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:25,013 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2024-12-06 06:07:25,013 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:07:25,014 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:07:25,014 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:07:25,014 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:07:25,019 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:25,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:25,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:25,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:25,023 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:25,023 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:25,024 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:25,025 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:25,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:25,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:07:25,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:07:25,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:07:25,027 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:07:25,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:24" (1/1) ... [2024-12-06 06:07:25,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:07:25,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:07:25,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:07:25,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:07:25,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:07:25,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:07:25,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:07:25,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:07:25,125 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:07:25,127 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:07:25,196 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 06:07:25,196 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:07:25,237 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:07:25,237 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 06:07:25,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:07:25 BoogieIcfgContainer [2024-12-06 06:07:25,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:07:25,238 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:07:25,238 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:07:25,245 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:07:25,245 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:07:25" (1/1) ... [2024-12-06 06:07:25,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:07:25,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:07:25,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-06 06:07:25,297 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-06 06:07:25,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 06:07:25,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:07:25,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:07:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:07:25,375 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:07:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:07:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:07:25,415 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:07:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:07:25,428 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 06:07:25,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:07:25 ImpRootNode [2024-12-06 06:07:25,444 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:07:25,444 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:07:25,444 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:07:25,445 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:07:25,445 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:07:25" (3/4) ... [2024-12-06 06:07:25,448 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 06:07:25,448 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:07:25,449 INFO L158 Benchmark]: Toolchain (without parser) took 637.38ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 82.0MB in the end (delta: 35.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 06:07:25,450 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:07:25,450 INFO L158 Benchmark]: CACSL2BoogieTranslator took 175.89ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 106.4MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:07:25,451 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.19ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:07:25,451 INFO L158 Benchmark]: Boogie Preprocessor took 12.21ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 104.3MB in the end (delta: 604.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:07:25,451 INFO L158 Benchmark]: RCFGBuilder took 210.63ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 92.7MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:07:25,452 INFO L158 Benchmark]: CodeCheck took 205.59ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 82.0MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:07:25,452 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 142.6MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:07:25,454 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 16]: 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 27, overapproximation of someBinaryDOUBLEComparisonOperation at line 25. Possible FailurePath: [L18] double sqrt2 = 1.414213538169860839843750; [L22] double S, I; [L24] I = __VERIFIER_nondet_double() [L25] CALL assume_abort_if_not(I >= 1. && I <= 3.) [L14] COND FALSE !(!cond) [L25] RET assume_abort_if_not(I >= 1. && I <= 3.) [L27] COND FALSE !(I >= 2.) [L28] S = 1.+(I-1.) * (.5+(I-1.) * (-.125+(I-1.)*.0625)) [L30] CALL __VERIFIER_assert(S >= 1. && S <= 2.) [L16] COND TRUE !(cond) VAL [sqrt2=11863283/8388608] [L16] reach_error() VAL [sqrt2=11863283/8388608] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 175.89ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 106.4MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.19ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.21ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 104.3MB in the end (delta: 604.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 210.63ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 92.7MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 205.59ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 82.0MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 142.6MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 06:07:25,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_poly.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9ff417092ff6ab1dae16b3d719851bc30771c0c1117076f87d0e779624eadca8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:07:27,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:07:27,469 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 06:07:27,494 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:07:27,495 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:07:27,495 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:07:27,495 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:07:27,495 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:07:27,495 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:07:27,495 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:07:27,495 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:07:27,496 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:07:27,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:07:27,496 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:07:27,496 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:07:27,496 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:07:27,496 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 06:07:27,496 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 06:07:27,496 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 06:07:27,496 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:07:27,496 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:07:27,496 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:07:27,496 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:07:27,497 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:07:27,497 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:07:27,497 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:07:27,497 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:07:27,497 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 06:07:27,497 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:07:27,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:07:27,497 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:07:27,497 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:07:27,497 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:07:27,497 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 06:07:27,498 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:07:27,498 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 06:07:27,498 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_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ff417092ff6ab1dae16b3d719851bc30771c0c1117076f87d0e779624eadca8 [2024-12-06 06:07:27,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:07:27,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:07:27,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:07:27,751 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:07:27,752 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:07:27,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/sqrt_poly.c [2024-12-06 06:07:30,417 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/data/81d225311/888bad6ca6924f5cb8b97ba26f935384/FLAG0f0a6319d [2024-12-06 06:07:30,573 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:07:30,574 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/sv-benchmarks/c/float-benchs/sqrt_poly.c [2024-12-06 06:07:30,581 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/data/81d225311/888bad6ca6924f5cb8b97ba26f935384/FLAG0f0a6319d [2024-12-06 06:07:30,595 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/data/81d225311/888bad6ca6924f5cb8b97ba26f935384 [2024-12-06 06:07:30,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:07:30,599 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:07:30,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:07:30,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:07:30,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:07:30,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:07:30" (1/1) ... [2024-12-06 06:07:30,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24e58283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:30, skipping insertion in model container [2024-12-06 06:07:30,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:07:30" (1/1) ... [2024-12-06 06:07:30,619 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:07:30,756 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_8520264e-f599-4c30-8789-1d9204bb7329/sv-benchmarks/c/float-benchs/sqrt_poly.c[671,684] [2024-12-06 06:07:30,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:07:30,781 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:07:30,791 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_8520264e-f599-4c30-8789-1d9204bb7329/sv-benchmarks/c/float-benchs/sqrt_poly.c[671,684] [2024-12-06 06:07:30,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:07:30,809 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:07:30,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:30 WrapperNode [2024-12-06 06:07:30,809 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:07:30,810 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:07:30,810 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:07:30,810 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:07:30,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:30" (1/1) ... [2024-12-06 06:07:30,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:30" (1/1) ... [2024-12-06 06:07:30,840 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 32 [2024-12-06 06:07:30,840 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:07:30,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:07:30,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:07:30,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:07:30,847 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:30" (1/1) ... [2024-12-06 06:07:30,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:30" (1/1) ... [2024-12-06 06:07:30,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:30" (1/1) ... [2024-12-06 06:07:30,849 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:30" (1/1) ... [2024-12-06 06:07:30,855 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:30" (1/1) ... [2024-12-06 06:07:30,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:30" (1/1) ... [2024-12-06 06:07:30,858 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:30" (1/1) ... [2024-12-06 06:07:30,859 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:30" (1/1) ... [2024-12-06 06:07:30,860 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:30" (1/1) ... [2024-12-06 06:07:30,862 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:07:30,863 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:07:30,863 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:07:30,864 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:07:30,864 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:30" (1/1) ... [2024-12-06 06:07:30,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:07:30,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:07:30,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:07:30,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:07:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:07:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 06:07:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:07:30,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:07:30,978 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:07:30,980 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:07:51,345 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-06 06:07:51,346 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:07:51,406 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:07:51,406 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 06:07:51,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:07:51 BoogieIcfgContainer [2024-12-06 06:07:51,407 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:07:51,407 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:07:51,407 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:07:51,415 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:07:51,415 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:07:51" (1/1) ... [2024-12-06 06:07:51,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:07:51,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:07:51,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-06 06:07:51,461 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-06 06:07:51,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 06:07:51,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:07:51,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:07:51,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:07:51,465 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:07:51,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 06:07:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:54,906 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:08:04,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:08:05,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 06:08:05,130 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 06:08:05,135 INFO L158 Benchmark]: Toolchain (without parser) took 34535.12ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 65.1MB in the end (delta: 4.8MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2024-12-06 06:08:05,135 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:08:05,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 209.50ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 58.3MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:08:05,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.66ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 57.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:08:05,136 INFO L158 Benchmark]: Boogie Preprocessor took 22.25ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 56.1MB in the end (delta: 953.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:08:05,136 INFO L158 Benchmark]: RCFGBuilder took 20543.56ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 42.9MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:08:05,137 INFO L158 Benchmark]: CodeCheck took 13726.00ms. Allocated memory is still 92.3MB. Free memory was 42.9MB in the beginning and 65.1MB in the end (delta: -22.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:08:05,139 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 0.28ms. Allocated memory is still 83.9MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 209.50ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 58.3MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.66ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 57.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.25ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 56.1MB in the end (delta: 953.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 20543.56ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 42.9MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 13726.00ms. Allocated memory is still 92.3MB. Free memory was 42.9MB in the beginning and 65.1MB in the end (delta: -22.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 06:08:05,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8520264e-f599-4c30-8789-1d9204bb7329/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown