./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/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_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/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_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/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 e0a18ef05fc68655f6745bf4a502e0079c3ee8f2ad8ce0a20fedaec28a3ae221 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:20:27,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:20:27,106 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:20:27,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:20:27,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:20:27,131 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:20:27,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:20:27,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:20:27,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:20:27,132 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:20:27,133 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:20:27,133 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:20:27,133 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:20:27,133 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:20:27,133 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:20:27,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:20:27,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:20:27,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:20:27,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:20:27,134 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:20:27,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:20:27,134 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:20:27,134 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:20:27,134 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:20:27,134 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:20:27,134 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:20:27,134 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:20:27,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:20:27,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:20:27,134 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:20:27,135 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:20:27,135 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:20:27,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:20:27,135 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_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/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 -> e0a18ef05fc68655f6745bf4a502e0079c3ee8f2ad8ce0a20fedaec28a3ae221 [2024-12-05 23:20:27,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:20:27,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:20:27,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:20:27,387 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:20:27,388 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:20:27,389 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c [2024-12-05 23:20:30,074 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/bin/ukojak-verify-CZk0znPC7b/data/43d688574/259eb2112bdb4fd7b280bd9585f0006c/FLAG99d0f68bd [2024-12-05 23:20:30,264 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:20:30,264 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c [2024-12-05 23:20:30,271 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/bin/ukojak-verify-CZk0znPC7b/data/43d688574/259eb2112bdb4fd7b280bd9585f0006c/FLAG99d0f68bd [2024-12-05 23:20:30,285 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/bin/ukojak-verify-CZk0znPC7b/data/43d688574/259eb2112bdb4fd7b280bd9585f0006c [2024-12-05 23:20:30,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:20:30,288 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:20:30,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:20:30,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:20:30,294 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:20:30,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:20:30" (1/1) ... [2024-12-05 23:20:30,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cdcbce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:30, skipping insertion in model container [2024-12-05 23:20:30,296 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:20:30" (1/1) ... [2024-12-05 23:20:30,309 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:20:30,439 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_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c[855,868] [2024-12-05 23:20:30,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:20:30,468 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:20:30,478 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_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c[855,868] [2024-12-05 23:20:30,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:20:30,499 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:20:30,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:30 WrapperNode [2024-12-05 23:20:30,500 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:20:30,501 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:20:30,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:20:30,501 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:20:30,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:30" (1/1) ... [2024-12-05 23:20:30,513 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:30" (1/1) ... [2024-12-05 23:20:30,529 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2024-12-05 23:20:30,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:20:30,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:20:30,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:20:30,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:20:30,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:30" (1/1) ... [2024-12-05 23:20:30,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:30" (1/1) ... [2024-12-05 23:20:30,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:30" (1/1) ... [2024-12-05 23:20:30,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:30" (1/1) ... [2024-12-05 23:20:30,543 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:30" (1/1) ... [2024-12-05 23:20:30,543 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:30" (1/1) ... [2024-12-05 23:20:30,546 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:30" (1/1) ... [2024-12-05 23:20:30,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:30" (1/1) ... [2024-12-05 23:20:30,547 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:30" (1/1) ... [2024-12-05 23:20:30,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:20:30,550 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:20:30,550 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:20:30,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:20:30,551 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:30" (1/1) ... [2024-12-05 23:20:30,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:20:30,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:20:30,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:20:30,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:20:30,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:20:30,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:20:30,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:20:30,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:20:30,661 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:20:30,663 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:20:30,769 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-05 23:20:30,770 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:20:30,821 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:20:30,821 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:20:30,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:20:30 BoogieIcfgContainer [2024-12-05 23:20:30,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:20:30,822 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:20:30,822 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:20:30,831 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:20:30,832 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:20:30" (1/1) ... [2024-12-05 23:20:30,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:20:30,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:30,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 23:20:30,884 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 23:20:30,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:20:30,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:30,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:20:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:20:30,971 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:20:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:20:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:20:31,024 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:20:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:20:31,050 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:20:31,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:20:31 ImpRootNode [2024-12-05 23:20:31,071 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:20:31,071 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:20:31,071 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:20:31,071 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:20:31,072 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:20:30" (3/4) ... [2024-12-05 23:20:31,074 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:20:31,075 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:20:31,076 INFO L158 Benchmark]: Toolchain (without parser) took 787.52ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 77.3MB in the end (delta: 38.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-05 23:20:31,076 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:20:31,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.68ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 104.5MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:20:31,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.75ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 103.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:20:31,077 INFO L158 Benchmark]: Boogie Preprocessor took 19.23ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 102.4MB in the end (delta: 821.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:20:31,078 INFO L158 Benchmark]: RCFGBuilder took 271.87ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 89.2MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:20:31,078 INFO L158 Benchmark]: CodeCheck took 248.45ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 77.5MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:20:31,078 INFO L158 Benchmark]: Witness Printer took 3.89ms. Allocated memory is still 142.6MB. Free memory was 77.5MB in the beginning and 77.3MB in the end (delta: 186.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:20:31,080 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: 0.2s, 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, 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, ConComCheckerStatistics: 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 28, overapproximation of someBinaryArithmeticDOUBLEoperation at line 44, overapproximation of someUnaryDOUBLEoperation at line 32, overapproximation of someBinaryDOUBLEComparisonOperation at line 59, overapproximation of someBinaryDOUBLEComparisonOperation at line 52. 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 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.68ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 104.5MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.75ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 103.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.23ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 102.4MB in the end (delta: 821.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 271.87ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 89.2MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 248.45ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 77.5MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.89ms. Allocated memory is still 142.6MB. Free memory was 77.5MB in the beginning and 77.3MB in the end (delta: 186.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:20:31,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/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_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/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_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/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_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/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 e0a18ef05fc68655f6745bf4a502e0079c3ee8f2ad8ce0a20fedaec28a3ae221 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:20:32,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:20:33,038 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 23:20:33,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:20:33,063 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:20:33,063 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:20:33,063 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:20:33,064 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:20:33,064 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:20:33,064 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:20:33,064 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:20:33,064 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:20:33,064 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:20:33,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:20:33,064 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:20:33,064 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:20:33,065 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:20:33,065 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:20:33,065 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:20:33,065 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:20:33,065 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:20:33,065 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:20:33,065 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:20:33,065 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:20:33,065 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:20:33,066 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:20:33,066 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:33,066 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:20:33,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:20:33,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:20:33,066 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:20:33,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:20:33,066 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:20:33,066 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:20:33,066 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:33,067 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:20:33,067 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_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/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 -> e0a18ef05fc68655f6745bf4a502e0079c3ee8f2ad8ce0a20fedaec28a3ae221 [2024-12-05 23:20:33,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:20:33,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:20:33,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:20:33,290 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:20:33,291 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:20:33,292 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c [2024-12-05 23:20:35,968 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/bin/ukojak-verify-CZk0znPC7b/data/c2b02833f/fad8c2d20f894d82b96eee2cc2e0e1b2/FLAGa90a5f814 [2024-12-05 23:20:36,136 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:20:36,137 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c [2024-12-05 23:20:36,147 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/bin/ukojak-verify-CZk0znPC7b/data/c2b02833f/fad8c2d20f894d82b96eee2cc2e0e1b2/FLAGa90a5f814 [2024-12-05 23:20:36,522 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/bin/ukojak-verify-CZk0znPC7b/data/c2b02833f/fad8c2d20f894d82b96eee2cc2e0e1b2 [2024-12-05 23:20:36,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:20:36,525 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:20:36,526 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:20:36,526 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:20:36,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:20:36,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:20:36" (1/1) ... [2024-12-05 23:20:36,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eaa9349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:36, skipping insertion in model container [2024-12-05 23:20:36,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:20:36" (1/1) ... [2024-12-05 23:20:36,541 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:20:36,642 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_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c[855,868] [2024-12-05 23:20:36,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:20:36,670 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:20:36,677 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_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c[855,868] [2024-12-05 23:20:36,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:20:36,698 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:20:36,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:36 WrapperNode [2024-12-05 23:20:36,698 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:20:36,699 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:20:36,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:20:36,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:20:36,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:36" (1/1) ... [2024-12-05 23:20:36,710 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:36" (1/1) ... [2024-12-05 23:20:36,723 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2024-12-05 23:20:36,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:20:36,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:20:36,724 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:20:36,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:20:36,729 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:36" (1/1) ... [2024-12-05 23:20:36,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:36" (1/1) ... [2024-12-05 23:20:36,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:36" (1/1) ... [2024-12-05 23:20:36,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:36" (1/1) ... [2024-12-05 23:20:36,735 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:36" (1/1) ... [2024-12-05 23:20:36,736 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:36" (1/1) ... [2024-12-05 23:20:36,738 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:36" (1/1) ... [2024-12-05 23:20:36,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:36" (1/1) ... [2024-12-05 23:20:36,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:36" (1/1) ... [2024-12-05 23:20:36,741 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:20:36,741 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:20:36,741 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:20:36,741 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:20:36,742 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:20:36" (1/1) ... [2024-12-05 23:20:36,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:20:36,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:20:36,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:20:36,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:20:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:20:36,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:20:36,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:20:36,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:20:36,842 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:20:36,844 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:21:04,406 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-05 23:21:04,406 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:21:04,456 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:21:04,456 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:21:04,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:21:04 BoogieIcfgContainer [2024-12-05 23:21:04,457 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:21:04,458 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:21:04,458 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:21:04,466 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:21:04,467 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:21:04" (1/1) ... [2024-12-05 23:21:04,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:21:04,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:04,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 23:21:04,518 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 23:21:04,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:21:04,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:21:04,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:21:04,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:21:04,523 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:21:04,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:21:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:08,026 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:21:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:21:18,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:21:18,207 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) [2024-12-05 23:21:18,210 INFO L158 Benchmark]: Toolchain (without parser) took 41684.62ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 61.6MB in the end (delta: 7.9MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2024-12-05 23:21:18,210 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:21:18,210 INFO L158 Benchmark]: CACSL2BoogieTranslator took 172.73ms. Allocated memory is still 92.3MB. Free memory was 69.2MB in the beginning and 57.2MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:21:18,210 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.31ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 55.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:21:18,211 INFO L158 Benchmark]: Boogie Preprocessor took 16.65ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 54.7MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:21:18,211 INFO L158 Benchmark]: RCFGBuilder took 27715.85ms. Allocated memory is still 92.3MB. Free memory was 54.6MB in the beginning and 39.9MB in the end (delta: 14.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:21:18,211 INFO L158 Benchmark]: CodeCheck took 13751.30ms. Allocated memory is still 92.3MB. Free memory was 39.9MB in the beginning and 61.6MB in the end (delta: -21.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:21:18,213 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 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 172.73ms. Allocated memory is still 92.3MB. Free memory was 69.2MB in the beginning and 57.2MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.31ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 55.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.65ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 54.7MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 27715.85ms. Allocated memory is still 92.3MB. Free memory was 54.6MB in the beginning and 39.9MB in the end (delta: 14.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 13751.30ms. Allocated memory is still 92.3MB. Free memory was 39.9MB in the beginning and 61.6MB in the end (delta: -21.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:21:18,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7d9ebf-bbf3-481b-aa3f-f67e02db078f/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