./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0910b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/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_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0910b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/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_044f6506-1597-4fad-97dd-63c77f023c52/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 d3a055bb9d53f77724c1dac9c78593cd811371321391d876315f494413ec0f42 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:28:39,317 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:28:39,444 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:28:39,454 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:28:39,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:28:39,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:28:39,496 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:28:39,497 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:28:39,498 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:28:39,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:28:39,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:28:39,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:28:39,505 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:28:39,507 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:28:39,508 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:28:39,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:28:39,509 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:28:39,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:28:39,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:28:39,510 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:28:39,511 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:28:39,512 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:28:39,512 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:28:39,513 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:28:39,513 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:28:39,514 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:28:39,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:39,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:28:39,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:28:39,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:28:39,517 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:28:39,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:28:39,518 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:28:39,518 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_044f6506-1597-4fad-97dd-63c77f023c52/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3a055bb9d53f77724c1dac9c78593cd811371321391d876315f494413ec0f42 [2023-11-19 03:28:39,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:28:39,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:28:39,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:28:39,832 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:28:39,832 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:28:39,834 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_0910b.c [2023-11-19 03:28:43,034 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:28:43,228 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:28:43,231 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c [2023-11-19 03:28:43,243 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/data/6db58dd37/26adfea995df451b81fdb99f1b0727d4/FLAG01c38e809 [2023-11-19 03:28:43,261 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/data/6db58dd37/26adfea995df451b81fdb99f1b0727d4 [2023-11-19 03:28:43,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:28:43,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:28:43,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:43,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:28:43,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:28:43,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:43" (1/1) ... [2023-11-19 03:28:43,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411cd385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:43, skipping insertion in model container [2023-11-19 03:28:43,275 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:43" (1/1) ... [2023-11-19 03:28:43,315 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:28:43,482 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_044f6506-1597-4fad-97dd-63c77f023c52/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c[3133,3146] [2023-11-19 03:28:43,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:43,497 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:28:43,532 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_044f6506-1597-4fad-97dd-63c77f023c52/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c[3133,3146] [2023-11-19 03:28:43,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:43,549 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:28:43,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:43 WrapperNode [2023-11-19 03:28:43,550 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:43,551 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:43,551 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:28:43,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:28:43,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:43" (1/1) ... [2023-11-19 03:28:43,569 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:43" (1/1) ... [2023-11-19 03:28:43,604 INFO L138 Inliner]: procedures = 17, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 200 [2023-11-19 03:28:43,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:43,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:28:43,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:28:43,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:28:43,617 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:43" (1/1) ... [2023-11-19 03:28:43,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:43" (1/1) ... [2023-11-19 03:28:43,649 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:43" (1/1) ... [2023-11-19 03:28:43,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:43" (1/1) ... [2023-11-19 03:28:43,660 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:43" (1/1) ... [2023-11-19 03:28:43,679 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:43" (1/1) ... [2023-11-19 03:28:43,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:43" (1/1) ... [2023-11-19 03:28:43,699 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:43" (1/1) ... [2023-11-19 03:28:43,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:28:43,704 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:28:43,704 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:28:43,705 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:28:43,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:43" (1/1) ... [2023-11-19 03:28:43,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:43,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:28:43,753 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:28:43,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:28:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:28:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:28:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:28:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 03:28:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:28:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 03:28:43,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:28:43,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:28:43,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:28:43,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:28:43,955 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:28:43,957 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:28:44,309 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:28:44,493 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:28:44,493 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-19 03:28:44,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:44 BoogieIcfgContainer [2023-11-19 03:28:44,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:28:44,501 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:28:44,501 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:28:44,511 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:28:44,512 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:44" (1/1) ... [2023-11-19 03:28:44,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:28:44,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:44,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2023-11-19 03:28:44,571 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2023-11-19 03:28:44,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:28:44,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:44,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:44,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:44,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:44,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2023-11-19 03:28:44,751 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2023-11-19 03:28:44,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:28:44,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:44,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:28:44,854 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:28:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:28:44,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:28:44,976 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:28:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:28:45,023 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:28:45,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:28:45 ImpRootNode [2023-11-19 03:28:45,062 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:28:45,063 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:28:45,063 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:28:45,063 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:28:45,063 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:44" (3/4) ... [2023-11-19 03:28:45,065 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:28:45,066 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:28:45,067 INFO L158 Benchmark]: Toolchain (without parser) took 1801.35ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 86.5MB in the beginning and 106.0MB in the end (delta: -19.6MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2023-11-19 03:28:45,068 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 140.5MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:28:45,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.99ms. Allocated memory is still 140.5MB. Free memory was 86.1MB in the beginning and 73.8MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:28:45,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.57ms. Allocated memory is still 140.5MB. Free memory was 73.8MB in the beginning and 71.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:28:45,070 INFO L158 Benchmark]: Boogie Preprocessor took 97.15ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 71.4MB in the beginning and 161.3MB in the end (delta: -89.9MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-11-19 03:28:45,070 INFO L158 Benchmark]: RCFGBuilder took 795.00ms. Allocated memory is still 190.8MB. Free memory was 161.2MB in the beginning and 130.3MB in the end (delta: 30.9MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2023-11-19 03:28:45,071 INFO L158 Benchmark]: CodeCheck took 561.65ms. Allocated memory is still 190.8MB. Free memory was 130.3MB in the beginning and 106.0MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 03:28:45,071 INFO L158 Benchmark]: Witness Printer took 3.64ms. Allocated memory is still 190.8MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:28:45,075 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, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 13 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 62 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, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 123]: 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 someUnaryFLOAToperation at line 118, overapproximation of someBinaryArithmeticFLOAToperation at line 46. Possible FailurePath: [L26-L30] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L32] static const float zero_log = 0.0; [L118] float x = -0.0f; [L119] CALL, EXPR __ieee754_logf(x) [L35] float hfsq, f, s, z, R, w, t1, t2, dk; [L36] __int32_t k, ix, i, j; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, \old(x)=2, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=2, zero_log=0] [L39] ieee_float_shape_type gf_u; [L40] EXPR gf_u.value = (x) [L41] EXPR gf_u.word [L41] EXPR (ix) = gf_u.word [L38-L42] { ieee_float_shape_type gf_u; gf_u.value = (x); (ix) = gf_u.word; } VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, \old(x)=2, ix=0, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=2, zero_log=0] [L44] k = 0 VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, \old(x)=2, ix=0, k=0, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=2, zero_log=0] [L45] COND TRUE ((ix & 0x7fffffff) == 0) [L46] return -two25_log / zero_log; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, \old(x)=2, ix=0, k=0, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=2, zero_log=0] [L119] RET, EXPR __ieee754_logf(x) [L119] float res = __ieee754_logf(x); [L122] CALL, EXPR isinf_float(res) [L16] __int32_t ix; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, \old(x)=4, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=4, zero_log=0] [L18] ieee_float_shape_type gf_u; [L19] EXPR gf_u.value = (x) [L20] EXPR gf_u.word [L20] EXPR (ix) = gf_u.word [L17-L21] { ieee_float_shape_type gf_u; gf_u.value = (x); (ix) = gf_u.word; } VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, \old(x)=4, ix=0, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=4, zero_log=0] [L22] ix &= 0x7fffffff [L23] return ((ix) == 0x7f800000L); [L122] RET, EXPR isinf_float(res) [L122] COND TRUE !isinf_float(res) [L123] reach_error() VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, res=4, two25_log=33554432, x=2, zero_log=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 140.5MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.99ms. Allocated memory is still 140.5MB. Free memory was 86.1MB in the beginning and 73.8MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.57ms. Allocated memory is still 140.5MB. Free memory was 73.8MB in the beginning and 71.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.15ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 71.4MB in the beginning and 161.3MB in the end (delta: -89.9MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * RCFGBuilder took 795.00ms. Allocated memory is still 190.8MB. Free memory was 161.2MB in the beginning and 130.3MB in the end (delta: 30.9MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * CodeCheck took 561.65ms. Allocated memory is still 190.8MB. Free memory was 130.3MB in the beginning and 106.0MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 3.64ms. Allocated memory is still 190.8MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:28:45,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/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_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0910b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/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_044f6506-1597-4fad-97dd-63c77f023c52/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 d3a055bb9d53f77724c1dac9c78593cd811371321391d876315f494413ec0f42 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:28:47,833 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:28:47,974 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:28:48,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:28:48,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:28:48,030 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:28:48,031 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:28:48,031 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:28:48,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:28:48,033 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:28:48,033 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:28:48,034 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:28:48,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:28:48,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:28:48,036 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:28:48,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:28:48,037 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:28:48,037 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:28:48,038 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:28:48,038 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:28:48,038 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:28:48,042 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:28:48,042 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:28:48,043 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:28:48,043 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:28:48,043 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:28:48,044 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:28:48,044 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:28:48,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:48,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:28:48,046 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:28:48,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:28:48,047 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:28:48,047 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:28:48,048 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:28:48,048 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:28:48,048 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:28:48,048 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_044f6506-1597-4fad-97dd-63c77f023c52/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3a055bb9d53f77724c1dac9c78593cd811371321391d876315f494413ec0f42 [2023-11-19 03:28:48,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:28:48,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:28:48,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:28:48,502 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:28:48,502 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:28:48,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_0910b.c [2023-11-19 03:28:51,612 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:28:51,877 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:28:51,878 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c [2023-11-19 03:28:51,885 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/data/97e865867/05b17f22836d4df1a7d9c2fa081d10ec/FLAG6d230943b [2023-11-19 03:28:51,898 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/data/97e865867/05b17f22836d4df1a7d9c2fa081d10ec [2023-11-19 03:28:51,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:28:51,902 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:28:51,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:51,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:28:51,909 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:28:51,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:51" (1/1) ... [2023-11-19 03:28:51,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@220c0656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:51, skipping insertion in model container [2023-11-19 03:28:51,910 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:51" (1/1) ... [2023-11-19 03:28:51,940 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:28:52,136 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_044f6506-1597-4fad-97dd-63c77f023c52/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c[3133,3146] [2023-11-19 03:28:52,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:52,156 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:28:52,193 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_044f6506-1597-4fad-97dd-63c77f023c52/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c[3133,3146] [2023-11-19 03:28:52,194 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:52,213 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:28:52,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:52 WrapperNode [2023-11-19 03:28:52,214 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:52,215 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:52,215 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:28:52,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:28:52,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:52" (1/1) ... [2023-11-19 03:28:52,237 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:52" (1/1) ... [2023-11-19 03:28:52,281 INFO L138 Inliner]: procedures = 20, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 156 [2023-11-19 03:28:52,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:52,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:28:52,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:28:52,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:28:52,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:52" (1/1) ... [2023-11-19 03:28:52,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:52" (1/1) ... [2023-11-19 03:28:52,314 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:52" (1/1) ... [2023-11-19 03:28:52,314 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:52" (1/1) ... [2023-11-19 03:28:52,342 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:52" (1/1) ... [2023-11-19 03:28:52,346 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:52" (1/1) ... [2023-11-19 03:28:52,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:52" (1/1) ... [2023-11-19 03:28:52,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:52" (1/1) ... [2023-11-19 03:28:52,372 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:28:52,373 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:28:52,373 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:28:52,373 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:28:52,374 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:52" (1/1) ... [2023-11-19 03:28:52,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:52,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:28:52,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:28:52,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:28:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:28:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:28:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:28:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 03:28:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:28:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:28:52,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:28:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 03:28:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:28:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:28:52,597 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:28:52,599 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:29:32,781 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:29:32,909 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:29:32,915 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-19 03:29:32,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:32 BoogieIcfgContainer [2023-11-19 03:29:32,922 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:29:32,923 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:29:32,924 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:29:32,932 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:29:32,932 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:32" (1/1) ... [2023-11-19 03:29:32,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:29:32,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:32,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2023-11-19 03:29:32,985 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2023-11-19 03:29:32,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:29:32,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:32,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:29:32,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:29:32,989 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:29:32,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:29:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:33,447 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:29:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:33,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:29:33,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:33,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:33,517 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:29:33,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:29:43,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:29:44,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:44,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2023-11-19 03:29:44,128 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2023-11-19 03:29:44,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:29:44,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:44,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:29:44,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:29:44,136 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:29:44,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:29:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:45,578 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:29:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:45,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:29:45,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:46,625 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:29:46,627 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2023-11-19 03:29:47,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:47,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_044f6506-1597-4fad-97dd-63c77f023c52/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:29:48,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []