./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL --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 0.2.3-dev-9bd2c7f [2023-11-19 04:06:14,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:06:14,657 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:06:14,662 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:06:14,663 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:06:14,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:06:14,689 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:06:14,689 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:06:14,690 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:06:14,690 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:06:14,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:06:14,692 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:06:14,692 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:06:14,693 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:06:14,693 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:06:14,694 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:06:14,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:06:14,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:06:14,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:06:14,696 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:06:14,697 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:06:14,697 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:06:14,698 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:06:14,699 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:06:14,699 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:06:14,700 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:06:14,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:14,701 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:06:14,701 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:06:14,702 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:06:14,702 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:06:14,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:06:14,703 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:06:14,704 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0a18ef05fc68655f6745bf4a502e0079c3ee8f2ad8ce0a20fedaec28a3ae221 [2023-11-19 04:06:14,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:06:15,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:06:15,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:06:15,026 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:06:15,027 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:06:15,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c [2023-11-19 04:06:18,152 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:06:18,352 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:06:18,352 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c [2023-11-19 04:06:18,361 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/data/6b4275959/713167c625b74d8abc8a183b6b786937/FLAGbf9a06871 [2023-11-19 04:06:18,375 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/data/6b4275959/713167c625b74d8abc8a183b6b786937 [2023-11-19 04:06:18,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:06:18,379 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:06:18,380 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:18,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:06:18,386 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:06:18,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:18" (1/1) ... [2023-11-19 04:06:18,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f962ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:18, skipping insertion in model container [2023-11-19 04:06:18,388 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:18" (1/1) ... [2023-11-19 04:06:18,410 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:18,556 WARN L240 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_0113f588-7c2d-4522-aafd-68f7d7db361c/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c[855,868] [2023-11-19 04:06:18,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:18,587 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:06:18,599 WARN L240 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_0113f588-7c2d-4522-aafd-68f7d7db361c/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c[855,868] [2023-11-19 04:06:18,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:18,622 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:06:18,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:18 WrapperNode [2023-11-19 04:06:18,622 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:18,623 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:18,624 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:06:18,624 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:06:18,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:18" (1/1) ... [2023-11-19 04:06:18,638 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:18" (1/1) ... [2023-11-19 04:06:18,657 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2023-11-19 04:06:18,658 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:18,658 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:06:18,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:06:18,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:06:18,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:18" (1/1) ... [2023-11-19 04:06:18,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:18" (1/1) ... [2023-11-19 04:06:18,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:18" (1/1) ... [2023-11-19 04:06:18,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:18" (1/1) ... [2023-11-19 04:06:18,676 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:18" (1/1) ... [2023-11-19 04:06:18,679 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:18" (1/1) ... [2023-11-19 04:06:18,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:18" (1/1) ... [2023-11-19 04:06:18,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:18" (1/1) ... [2023-11-19 04:06:18,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:06:18,685 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:06:18,685 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:06:18,685 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:06:18,686 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:18" (1/1) ... [2023-11-19 04:06:18,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:18,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:06:18,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:06:18,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:06:18,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:06:18,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:06:18,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:06:18,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:06:18,859 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:06:18,862 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:06:19,097 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:06:19,182 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:06:19,183 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:06:19,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:19 BoogieIcfgContainer [2023-11-19 04:06:19,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:06:19,191 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:06:19,192 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:06:19,203 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:06:19,203 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:19" (1/1) ... [2023-11-19 04:06:19,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:06:19,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:19,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-19 04:06:19,275 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-19 04:06:19,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:06:19,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:19,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:06:19,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:06:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:06:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:06:19,439 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:06:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:06:19,471 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 04:06:19,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:06:19 ImpRootNode [2023-11-19 04:06:19,493 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:06:19,494 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:06:19,494 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:06:19,494 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:06:19,495 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:19" (3/4) ... [2023-11-19 04:06:19,501 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:06:19,502 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:06:19,503 INFO L158 Benchmark]: Toolchain (without parser) took 1123.78ms. Allocated memory is still 218.1MB. Free memory was 169.8MB in the beginning and 128.0MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 04:06:19,504 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:19,504 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.25ms. Allocated memory is still 218.1MB. Free memory was 169.8MB in the beginning and 159.0MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:06:19,505 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.39ms. Allocated memory is still 218.1MB. Free memory was 159.0MB in the beginning and 157.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:06:19,506 INFO L158 Benchmark]: Boogie Preprocessor took 25.67ms. Allocated memory is still 218.1MB. Free memory was 157.3MB in the beginning and 156.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:06:19,511 INFO L158 Benchmark]: RCFGBuilder took 505.68ms. Allocated memory is still 218.1MB. Free memory was 156.1MB in the beginning and 141.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:06:19,512 INFO L158 Benchmark]: CodeCheck took 301.80ms. Allocated memory is still 218.1MB. Free memory was 141.4MB in the beginning and 128.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:06:19,513 INFO L158 Benchmark]: Witness Printer took 8.27ms. Allocated memory is still 218.1MB. Free memory was 128.8MB in the beginning and 128.0MB in the end (delta: 835.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:19,517 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 - UnprovableResult [Line: 20]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 44, overapproximation of someUnaryDOUBLEoperation at line 32, overapproximation of someBinaryDOUBLEComparisonOperation at line 59. Possible FailurePath: [L22] double _EPS = 1e-6; [L49] double d, dd, r; [L50] double epsilon = 1e-8; [L52] d = 1. VAL [_EPS=1/1000000, d=1, epsilon=1/100000000] [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 TRUE Input <= 1.0 [L28] xn = 1.0 [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 [Input=2, \old(Input)=2, _EPS=1/1000000, cond=0, i=0, xn=1, xn=1] [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 [\old(cond)=0, _EPS=1/1000000, cond=0] [L20] reach_error() VAL [\old(cond)=0, _EPS=1/1000000, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.25ms. Allocated memory is still 218.1MB. Free memory was 169.8MB in the beginning and 159.0MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.39ms. Allocated memory is still 218.1MB. Free memory was 159.0MB in the beginning and 157.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.67ms. Allocated memory is still 218.1MB. Free memory was 157.3MB in the beginning and 156.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 505.68ms. Allocated memory is still 218.1MB. Free memory was 156.1MB in the beginning and 141.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 301.80ms. Allocated memory is still 218.1MB. Free memory was 141.4MB in the beginning and 128.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 8.27ms. Allocated memory is still 218.1MB. Free memory was 128.8MB in the beginning and 128.0MB in the end (delta: 835.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:06:19,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL --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 0.2.3-dev-9bd2c7f [2023-11-19 04:06:22,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:06:22,276 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 04:06:22,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:06:22,336 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:06:22,337 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:06:22,338 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:06:22,338 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:06:22,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:06:22,340 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:06:22,340 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:06:22,341 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:06:22,341 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:06:22,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:06:22,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:06:22,346 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:06:22,348 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:06:22,348 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:06:22,348 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:06:22,349 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:06:22,350 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:06:22,350 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:06:22,351 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:06:22,351 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:06:22,352 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:06:22,352 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:06:22,352 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:06:22,353 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:06:22,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:22,354 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:06:22,355 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:06:22,355 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:06:22,356 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:06:22,356 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:06:22,356 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:06:22,356 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:06:22,357 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:06:22,357 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0a18ef05fc68655f6745bf4a502e0079c3ee8f2ad8ce0a20fedaec28a3ae221 [2023-11-19 04:06:22,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:06:22,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:06:22,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:06:22,749 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:06:22,749 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:06:22,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c [2023-11-19 04:06:25,803 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:06:26,060 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:06:26,060 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c [2023-11-19 04:06:26,067 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/data/77466adf4/30e3dd195719498f97b509735499f080/FLAG72f56db1b [2023-11-19 04:06:26,080 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/data/77466adf4/30e3dd195719498f97b509735499f080 [2023-11-19 04:06:26,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:06:26,084 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:06:26,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:26,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:06:26,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:06:26,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:26" (1/1) ... [2023-11-19 04:06:26,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f528bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:26, skipping insertion in model container [2023-11-19 04:06:26,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:26" (1/1) ... [2023-11-19 04:06:26,114 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:26,263 WARN L240 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_0113f588-7c2d-4522-aafd-68f7d7db361c/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c[855,868] [2023-11-19 04:06:26,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:26,297 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:06:26,310 WARN L240 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_0113f588-7c2d-4522-aafd-68f7d7db361c/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c[855,868] [2023-11-19 04:06:26,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:26,336 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:06:26,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:26 WrapperNode [2023-11-19 04:06:26,337 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:26,338 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:26,338 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:06:26,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:06:26,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:26" (1/1) ... [2023-11-19 04:06:26,356 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:26" (1/1) ... [2023-11-19 04:06:26,378 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2023-11-19 04:06:26,378 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:26,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:06:26,379 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:06:26,379 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:06:26,389 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:26" (1/1) ... [2023-11-19 04:06:26,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:26" (1/1) ... [2023-11-19 04:06:26,393 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:26" (1/1) ... [2023-11-19 04:06:26,393 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:26" (1/1) ... [2023-11-19 04:06:26,402 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:26" (1/1) ... [2023-11-19 04:06:26,406 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:26" (1/1) ... [2023-11-19 04:06:26,408 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:26" (1/1) ... [2023-11-19 04:06:26,410 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:26" (1/1) ... [2023-11-19 04:06:26,413 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:06:26,414 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:06:26,414 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:06:26,415 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:06:26,415 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:26" (1/1) ... [2023-11-19 04:06:26,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:26,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:06:26,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:06:26,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:06:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:06:26,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:06:26,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:06:26,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:06:26,657 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:06:26,659 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:07:00,828 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:07:00,907 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:07:00,911 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:07:00,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:00 BoogieIcfgContainer [2023-11-19 04:07:00,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:07:00,919 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:07:00,919 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:07:00,930 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:07:00,930 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:00" (1/1) ... [2023-11-19 04:07:00,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:07:01,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:01,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-19 04:07:01,017 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-19 04:07:01,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:07:01,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:01,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:07:01,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:07:01,025 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:07:01,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 04:07:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:05,566 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:07:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 04:07:16,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 04:07:16,581 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:488) 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) [2023-11-19 04:07:16,586 INFO L158 Benchmark]: Toolchain (without parser) took 50501.01ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 56.5MB in the beginning and 65.1MB in the end (delta: -8.6MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2023-11-19 04:07:16,587 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 79.7MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:16,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.54ms. Allocated memory is still 79.7MB. Free memory was 56.2MB in the beginning and 44.4MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:07:16,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.64ms. Allocated memory is still 79.7MB. Free memory was 44.4MB in the beginning and 42.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:16,589 INFO L158 Benchmark]: Boogie Preprocessor took 34.39ms. Allocated memory is still 79.7MB. Free memory was 42.6MB in the beginning and 41.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:16,590 INFO L158 Benchmark]: RCFGBuilder took 34503.26ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 41.1MB in the beginning and 73.4MB in the end (delta: -32.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:07:16,591 INFO L158 Benchmark]: CodeCheck took 15665.85ms. Allocated memory is still 107.0MB. Free memory was 73.4MB in the beginning and 65.1MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 04:07:16,595 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:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 79.7MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.54ms. Allocated memory is still 79.7MB. Free memory was 56.2MB in the beginning and 44.4MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.64ms. Allocated memory is still 79.7MB. Free memory was 44.4MB in the beginning and 42.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.39ms. Allocated memory is still 79.7MB. Free memory was 42.6MB in the beginning and 41.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 34503.26ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 41.1MB in the beginning and 73.4MB in the end (delta: -32.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 15665.85ms. Allocated memory is still 107.0MB. Free memory was 73.4MB in the beginning and 65.1MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:07:16,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0113f588-7c2d-4522-aafd-68f7d7db361c/bin/ukojak-verify-G8NBE6pJGL/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