./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_poly.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_a9cba7f2-d9f1-425b-8374-639e0316262f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/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_a9cba7f2-d9f1-425b-8374-639e0316262f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_poly.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/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_a9cba7f2-d9f1-425b-8374-639e0316262f/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 9ff417092ff6ab1dae16b3d719851bc30771c0c1117076f87d0e779624eadca8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:07:01,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:07:02,048 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:07:02,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:07:02,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:07:02,082 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:07:02,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:07:02,084 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:07:02,085 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:07:02,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:07:02,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:07:02,088 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:07:02,088 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:07:02,089 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:07:02,090 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:07:02,090 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:07:02,091 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:07:02,092 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:07:02,092 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:07:02,093 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:07:02,094 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:07:02,107 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:07:02,108 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:07:02,109 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:07:02,109 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:07:02,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:07:02,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:02,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:07:02,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:07:02,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:07:02,113 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:07:02,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:07:02,115 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:07:02,115 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_a9cba7f2-d9f1-425b-8374-639e0316262f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ff417092ff6ab1dae16b3d719851bc30771c0c1117076f87d0e779624eadca8 [2023-11-19 03:07:02,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:07:02,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:07:02,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:07:02,482 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:07:02,484 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:07:02,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-benchs/sqrt_poly.c [2023-11-19 03:07:05,790 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:07:05,998 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:07:05,999 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/sv-benchmarks/c/float-benchs/sqrt_poly.c [2023-11-19 03:07:06,007 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/bin/ukojak-verify-G8NBE6pJGL/data/d25b36849/4d09c8a60d114a978ff537a70a2512f3/FLAGf61dbffa4 [2023-11-19 03:07:06,022 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/bin/ukojak-verify-G8NBE6pJGL/data/d25b36849/4d09c8a60d114a978ff537a70a2512f3 [2023-11-19 03:07:06,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:07:06,028 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:07:06,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:06,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:07:06,036 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:07:06,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:06" (1/1) ... [2023-11-19 03:07:06,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ccf0279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:06, skipping insertion in model container [2023-11-19 03:07:06,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:06" (1/1) ... [2023-11-19 03:07:06,060 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:07:06,232 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_a9cba7f2-d9f1-425b-8374-639e0316262f/sv-benchmarks/c/float-benchs/sqrt_poly.c[671,684] [2023-11-19 03:07:06,244 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:06,256 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:07:06,269 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_a9cba7f2-d9f1-425b-8374-639e0316262f/sv-benchmarks/c/float-benchs/sqrt_poly.c[671,684] [2023-11-19 03:07:06,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:06,288 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:07:06,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:06 WrapperNode [2023-11-19 03:07:06,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:06,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:06,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:07:06,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:07:06,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:06" (1/1) ... [2023-11-19 03:07:06,304 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:06" (1/1) ... [2023-11-19 03:07:06,320 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2023-11-19 03:07:06,320 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:06,321 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:07:06,321 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:07:06,322 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:07:06,331 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:06" (1/1) ... [2023-11-19 03:07:06,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:06" (1/1) ... [2023-11-19 03:07:06,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:06" (1/1) ... [2023-11-19 03:07:06,333 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:06" (1/1) ... [2023-11-19 03:07:06,337 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:06" (1/1) ... [2023-11-19 03:07:06,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:06" (1/1) ... [2023-11-19 03:07:06,341 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:06" (1/1) ... [2023-11-19 03:07:06,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:06" (1/1) ... [2023-11-19 03:07:06,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:07:06,345 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:07:06,346 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:07:06,346 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:07:06,347 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:06" (1/1) ... [2023-11-19 03:07:06,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:06,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:07:06,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:07:06,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:07:06,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:07:06,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:07:06,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:07:06,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:07:06,487 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:07:06,492 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:07:06,608 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:07:06,681 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:07:06,687 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:07:06,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:06 BoogieIcfgContainer [2023-11-19 03:07:06,692 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:07:06,693 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:07:06,693 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:07:06,704 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:07:06,704 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:06" (1/1) ... [2023-11-19 03:07:06,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:07:06,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:06,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-19 03:07:06,771 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-19 03:07:06,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:07:06,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:06,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:07:06,891 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:07:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:07:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:07:07,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:07:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:07:07,034 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:07:07,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:07:07 ImpRootNode [2023-11-19 03:07:07,068 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:07:07,071 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:07:07,071 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:07:07,072 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:07:07,073 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:06" (3/4) ... [2023-11-19 03:07:07,076 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:07:07,078 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:07:07,080 INFO L158 Benchmark]: Toolchain (without parser) took 1051.13ms. Allocated memory is still 136.3MB. Free memory was 96.9MB in the beginning and 60.1MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 03:07:07,081 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 136.3MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:07,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.47ms. Allocated memory is still 136.3MB. Free memory was 96.5MB in the beginning and 86.2MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:07:07,084 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.72ms. Allocated memory is still 136.3MB. Free memory was 86.2MB in the beginning and 84.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:07,085 INFO L158 Benchmark]: Boogie Preprocessor took 23.23ms. Allocated memory is still 136.3MB. Free memory was 84.4MB in the beginning and 83.6MB in the end (delta: 790.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:07,086 INFO L158 Benchmark]: RCFGBuilder took 346.96ms. Allocated memory is still 136.3MB. Free memory was 83.6MB in the beginning and 72.0MB in the end (delta: 11.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:07:07,088 INFO L158 Benchmark]: CodeCheck took 375.90ms. Allocated memory is still 136.3MB. Free memory was 72.0MB in the beginning and 60.3MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:07:07,089 INFO L158 Benchmark]: Witness Printer took 7.31ms. Allocated memory is still 136.3MB. Free memory was 60.3MB in the beginning and 60.1MB in the end (delta: 122.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:07,099 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 16]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 25, overapproximation of someBinaryArithmeticDOUBLEoperation at line 27. Possible FailurePath: [L18] double sqrt2 = 1.414213538169860839843750; [L22] double S, I; [L24] I = __VERIFIER_nondet_double() [L25] CALL assume_abort_if_not(I >= 1. && I <= 3.) [L14] COND FALSE !(!cond) [L25] RET assume_abort_if_not(I >= 1. && I <= 3.) [L27] COND FALSE !(I >= 2.) [L28] S = 1.+(I-1.) * (.5+(I-1.) * (-.125+(I-1.)*.0625)) [L30] CALL __VERIFIER_assert(S >= 1. && S <= 2.) [L16] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, sqrt2=11863283/8388608] [L16] reach_error() VAL [\old(cond)=0, cond=0, sqrt2=11863283/8388608] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 136.3MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.47ms. Allocated memory is still 136.3MB. Free memory was 96.5MB in the beginning and 86.2MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.72ms. Allocated memory is still 136.3MB. Free memory was 86.2MB in the beginning and 84.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.23ms. Allocated memory is still 136.3MB. Free memory was 84.4MB in the beginning and 83.6MB in the end (delta: 790.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 346.96ms. Allocated memory is still 136.3MB. Free memory was 83.6MB in the beginning and 72.0MB in the end (delta: 11.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 375.90ms. Allocated memory is still 136.3MB. Free memory was 72.0MB in the beginning and 60.3MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 7.31ms. Allocated memory is still 136.3MB. Free memory was 60.3MB in the beginning and 60.1MB in the end (delta: 122.0kB). 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 03:07:07,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/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_a9cba7f2-d9f1-425b-8374-639e0316262f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/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_a9cba7f2-d9f1-425b-8374-639e0316262f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_poly.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/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_a9cba7f2-d9f1-425b-8374-639e0316262f/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 9ff417092ff6ab1dae16b3d719851bc30771c0c1117076f87d0e779624eadca8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:07:10,024 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:07:10,113 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:07:10,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:07:10,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:07:10,162 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:07:10,163 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:07:10,164 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:07:10,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:07:10,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:07:10,171 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:07:10,171 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:07:10,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:07:10,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:07:10,174 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:07:10,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:07:10,175 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:07:10,175 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:07:10,176 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:07:10,176 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:07:10,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:07:10,177 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:07:10,178 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:07:10,178 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:07:10,179 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:07:10,179 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:07:10,179 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:07:10,180 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:07:10,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:10,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:07:10,182 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:07:10,183 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:07:10,183 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:07:10,184 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:07:10,184 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:07:10,184 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:07:10,184 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:07:10,185 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_a9cba7f2-d9f1-425b-8374-639e0316262f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ff417092ff6ab1dae16b3d719851bc30771c0c1117076f87d0e779624eadca8 [2023-11-19 03:07:10,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:07:10,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:07:10,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:07:10,669 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:07:10,670 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:07:10,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-benchs/sqrt_poly.c [2023-11-19 03:07:14,112 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:07:14,412 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:07:14,412 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/sv-benchmarks/c/float-benchs/sqrt_poly.c [2023-11-19 03:07:14,422 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/bin/ukojak-verify-G8NBE6pJGL/data/c559330d2/355529234b044be9905bc4ac45f02d0e/FLAG0230cd235 [2023-11-19 03:07:14,439 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/bin/ukojak-verify-G8NBE6pJGL/data/c559330d2/355529234b044be9905bc4ac45f02d0e [2023-11-19 03:07:14,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:07:14,444 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:07:14,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:14,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:07:14,455 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:07:14,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:14" (1/1) ... [2023-11-19 03:07:14,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@312df36d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:14, skipping insertion in model container [2023-11-19 03:07:14,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:14" (1/1) ... [2023-11-19 03:07:14,481 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:07:14,680 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_a9cba7f2-d9f1-425b-8374-639e0316262f/sv-benchmarks/c/float-benchs/sqrt_poly.c[671,684] [2023-11-19 03:07:14,703 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:14,727 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:07:14,745 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_a9cba7f2-d9f1-425b-8374-639e0316262f/sv-benchmarks/c/float-benchs/sqrt_poly.c[671,684] [2023-11-19 03:07:14,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:14,793 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:07:14,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:14 WrapperNode [2023-11-19 03:07:14,795 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:14,797 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:14,797 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:07:14,797 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:07:14,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:14" (1/1) ... [2023-11-19 03:07:14,833 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:14" (1/1) ... [2023-11-19 03:07:14,862 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 32 [2023-11-19 03:07:14,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:14,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:07:14,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:07:14,866 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:07:14,878 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:14" (1/1) ... [2023-11-19 03:07:14,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:14" (1/1) ... [2023-11-19 03:07:14,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:14" (1/1) ... [2023-11-19 03:07:14,887 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:14" (1/1) ... [2023-11-19 03:07:14,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:14" (1/1) ... [2023-11-19 03:07:14,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:14" (1/1) ... [2023-11-19 03:07:14,912 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:14" (1/1) ... [2023-11-19 03:07:14,914 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:14" (1/1) ... [2023-11-19 03:07:14,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:07:14,918 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:07:14,918 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:07:14,919 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:07:14,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:14" (1/1) ... [2023-11-19 03:07:14,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:14,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:07:14,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:07:15,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:07:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:07:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:07:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:07:15,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:07:15,143 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:07:15,146 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:07:35,707 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:07:35,778 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:07:35,778 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:07:35,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:35 BoogieIcfgContainer [2023-11-19 03:07:35,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:07:35,785 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:07:35,785 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:07:35,797 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:07:35,797 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:35" (1/1) ... [2023-11-19 03:07:35,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:07:35,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:35,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-19 03:07:35,883 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-19 03:07:35,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:07:35,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:35,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:07:35,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:07:35,889 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:07:35,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:07:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:40,149 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:07:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 03:07:50,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 03:07:50,916 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 03:07:50,928 INFO L158 Benchmark]: Toolchain (without parser) took 36481.82ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 37.4MB in the beginning and 46.7MB in the end (delta: -9.3MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2023-11-19 03:07:50,929 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory is still 36.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:50,931 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.62ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 37.2MB in the beginning and 52.3MB in the end (delta: -15.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2023-11-19 03:07:50,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.68ms. Allocated memory is still 73.4MB. Free memory was 52.3MB in the beginning and 50.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:07:50,934 INFO L158 Benchmark]: Boogie Preprocessor took 52.23ms. Allocated memory is still 73.4MB. Free memory was 50.7MB in the beginning and 49.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:50,935 INFO L158 Benchmark]: RCFGBuilder took 20865.57ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 36.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:07:50,938 INFO L158 Benchmark]: CodeCheck took 15140.60ms. Allocated memory is still 73.4MB. Free memory was 36.3MB in the beginning and 46.7MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:50,950 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 0.35ms. Allocated memory is still 60.8MB. Free memory is still 36.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.62ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 37.2MB in the beginning and 52.3MB in the end (delta: -15.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.68ms. Allocated memory is still 73.4MB. Free memory was 52.3MB in the beginning and 50.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.23ms. Allocated memory is still 73.4MB. Free memory was 50.7MB in the beginning and 49.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 20865.57ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 36.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 15140.60ms. Allocated memory is still 73.4MB. Free memory was 36.3MB in the beginning and 46.7MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:07:51,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cba7f2-d9f1-425b-8374-639e0316262f/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown