./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0920b.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_1c97a6ff-3909-4cf8-976f-93c6ea91704b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c97a6ff-3909-4cf8-976f-93c6ea91704b/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_1c97a6ff-3909-4cf8-976f-93c6ea91704b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c97a6ff-3909-4cf8-976f-93c6ea91704b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0920b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c97a6ff-3909-4cf8-976f-93c6ea91704b/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_1c97a6ff-3909-4cf8-976f-93c6ea91704b/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 0e9506709080674bf2939bd14266694370597fe695fd6b2ee930207a676e93e8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:07:33,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:07:33,286 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c97a6ff-3909-4cf8-976f-93c6ea91704b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:07:33,292 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:07:33,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:07:33,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:07:33,322 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:07:33,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:07:33,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:07:33,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:07:33,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:07:33,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:07:33,326 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:07:33,327 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:07:33,327 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:07:33,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:07:33,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:07:33,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:07:33,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:07:33,330 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:07:33,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:07:33,333 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:07:33,334 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:07:33,334 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:07:33,335 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:07:33,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:07:33,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:33,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:07:33,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:07:33,338 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:07:33,339 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:07:33,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:07:33,340 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:07:33,340 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_1c97a6ff-3909-4cf8-976f-93c6ea91704b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c97a6ff-3909-4cf8-976f-93c6ea91704b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e9506709080674bf2939bd14266694370597fe695fd6b2ee930207a676e93e8 [2023-11-19 03:07:33,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:07:33,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:07:33,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:07:33,734 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:07:33,735 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:07:33,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c97a6ff-3909-4cf8-976f-93c6ea91704b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/double_req_bl_0920b.c [2023-11-19 03:07:37,079 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:07:37,344 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:07:37,344 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c97a6ff-3909-4cf8-976f-93c6ea91704b/sv-benchmarks/c/float-newlib/double_req_bl_0920b.c [2023-11-19 03:07:37,353 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c97a6ff-3909-4cf8-976f-93c6ea91704b/bin/ukojak-verify-G8NBE6pJGL/data/b9d11db4b/337c30d0d0434c7285ee3c869084e64c/FLAG937497f49 [2023-11-19 03:07:37,368 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c97a6ff-3909-4cf8-976f-93c6ea91704b/bin/ukojak-verify-G8NBE6pJGL/data/b9d11db4b/337c30d0d0434c7285ee3c869084e64c [2023-11-19 03:07:37,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:07:37,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:07:37,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:37,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:07:37,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:07:37,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:37" (1/1) ... [2023-11-19 03:07:37,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68d4d265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:37, skipping insertion in model container [2023-11-19 03:07:37,380 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:37" (1/1) ... [2023-11-19 03:07:37,408 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:07:37,595 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_1c97a6ff-3909-4cf8-976f-93c6ea91704b/sv-benchmarks/c/float-newlib/double_req_bl_0920b.c[3940,3953] [2023-11-19 03:07:37,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:37,612 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:07:37,654 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_1c97a6ff-3909-4cf8-976f-93c6ea91704b/sv-benchmarks/c/float-newlib/double_req_bl_0920b.c[3940,3953] [2023-11-19 03:07:37,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:37,670 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:07:37,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:37 WrapperNode [2023-11-19 03:07:37,671 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:37,673 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:37,673 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:07:37,673 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:07:37,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:37" (1/1) ... [2023-11-19 03:07:37,691 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:37" (1/1) ... [2023-11-19 03:07:37,734 INFO L138 Inliner]: procedures = 19, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 200 [2023-11-19 03:07:37,734 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:37,735 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:07:37,735 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:07:37,736 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:07:37,745 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:37" (1/1) ... [2023-11-19 03:07:37,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:37" (1/1) ... [2023-11-19 03:07:37,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:37" (1/1) ... [2023-11-19 03:07:37,749 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:37" (1/1) ... [2023-11-19 03:07:37,759 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:37" (1/1) ... [2023-11-19 03:07:37,763 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:37" (1/1) ... [2023-11-19 03:07:37,765 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:37" (1/1) ... [2023-11-19 03:07:37,767 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:37" (1/1) ... [2023-11-19 03:07:37,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:07:37,772 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:07:37,772 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:07:37,772 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:07:37,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:37" (1/1) ... [2023-11-19 03:07:37,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:37,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c97a6ff-3909-4cf8-976f-93c6ea91704b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:07:37,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c97a6ff-3909-4cf8-976f-93c6ea91704b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:07:37,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c97a6ff-3909-4cf8-976f-93c6ea91704b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:07:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:07:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:07:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:07:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 03:07:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:07:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 03:07:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:07:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:07:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:07:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:07:38,032 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:07:38,037 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:07:38,356 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:07:38,603 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:07:38,603 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 03:07:38,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:38 BoogieIcfgContainer [2023-11-19 03:07:38,609 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:07:38,611 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:07:38,611 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:07:38,623 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:07:38,623 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:38" (1/1) ... [2023-11-19 03:07:38,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:07:38,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:38,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2023-11-19 03:07:38,696 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2023-11-19 03:07:38,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:07:38,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:38,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:38,874 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 03:07:38,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:38,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2023-11-19 03:07:38,944 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-11-19 03:07:38,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:07:38,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:38,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:07:39,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:07:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:07:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:07:39,247 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:07:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:07:39,315 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:07:39,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:07:39 ImpRootNode [2023-11-19 03:07:39,373 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:07:39,374 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:07:39,374 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:07:39,374 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:07:39,375 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:38" (3/4) ... [2023-11-19 03:07:39,377 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:07:39,379 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:07:39,380 INFO L158 Benchmark]: Toolchain (without parser) took 2007.61ms. Allocated memory is still 174.1MB. Free memory was 136.3MB in the beginning and 136.7MB in the end (delta: -367.5kB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. [2023-11-19 03:07:39,380 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory was 65.0MB in the beginning and 64.6MB in the end (delta: 321.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:39,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.78ms. Allocated memory is still 174.1MB. Free memory was 136.3MB in the beginning and 123.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:07:39,382 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.02ms. Allocated memory is still 174.1MB. Free memory was 123.3MB in the beginning and 121.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:07:39,382 INFO L158 Benchmark]: Boogie Preprocessor took 35.86ms. Allocated memory is still 174.1MB. Free memory was 121.2MB in the beginning and 119.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:07:39,383 INFO L158 Benchmark]: RCFGBuilder took 837.73ms. Allocated memory is still 174.1MB. Free memory was 119.5MB in the beginning and 83.5MB in the end (delta: 36.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 03:07:39,384 INFO L158 Benchmark]: CodeCheck took 762.19ms. Allocated memory is still 174.1MB. Free memory was 83.5MB in the beginning and 136.7MB in the end (delta: -53.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:39,384 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 174.1MB. Free memory is still 136.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:39,388 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 59 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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: 153]: 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 139, overapproximation of someBinaryArithmeticDOUBLEoperation at line 74. Possible FailurePath: [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L45] static const double zero = 0.0; [L148] double x = -1.0 / 0.0; [L149] CALL, EXPR __ieee754_log(x) [L48] double hfsq, f, s, z, R, w, t1, t2, dk; [L49] __int32_t k, hx, i, j; [L50] __uint32_t lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, \old(x)=2, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=2, zero=0] [L53] ieee_double_shape_type ew_u; [L54] EXPR ew_u.value = (x) [L55] EXPR ew_u.parts.msw [L55] EXPR (hx) = ew_u.parts.msw [L56] EXPR ew_u.parts.lsw [L56] EXPR (lx) = ew_u.parts.lsw [L52-L57] { ieee_double_shape_type ew_u; ew_u.value = (x); (hx) = ew_u.parts.msw; (lx) = ew_u.parts.lsw; } VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, \old(x)=2, hx=2146435072, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=5, two54_log=18014398509481984, x=2, zero=0] [L59] k = 0 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, \old(x)=2, hx=2146435072, k=0, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=5, two54_log=18014398509481984, x=2, zero=0] [L60] COND FALSE !(hx < 0x00100000) VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, \old(x)=2, hx=2146435072, k=0, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=5, two54_log=18014398509481984, x=2, zero=0] [L73] COND TRUE hx >= 0x7ff00000 [L74] return x + x; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, \old(x)=2, hx=2146435072, k=0, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=5, two54_log=18014398509481984, x=2, zero=0] [L149] RET, EXPR __ieee754_log(x) [L149] double res = __ieee754_log(x); [L152] CALL, EXPR isnan_double(res) [L139] return x != x; [L152] RET, EXPR isnan_double(res) [L152] COND TRUE !isnan_double(res) [L153] reach_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=5, two54_log=18014398509481984, x=2, zero=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory was 65.0MB in the beginning and 64.6MB in the end (delta: 321.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.78ms. Allocated memory is still 174.1MB. Free memory was 136.3MB in the beginning and 123.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.02ms. Allocated memory is still 174.1MB. Free memory was 123.3MB in the beginning and 121.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.86ms. Allocated memory is still 174.1MB. Free memory was 121.2MB in the beginning and 119.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 837.73ms. Allocated memory is still 174.1MB. Free memory was 119.5MB in the beginning and 83.5MB in the end (delta: 36.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * CodeCheck took 762.19ms. Allocated memory is still 174.1MB. Free memory was 83.5MB in the beginning and 136.7MB in the end (delta: -53.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 174.1MB. Free memory is still 136.7MB. 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 03:07:39,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c97a6ff-3909-4cf8-976f-93c6ea91704b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_1c97a6ff-3909-4cf8-976f-93c6ea91704b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c97a6ff-3909-4cf8-976f-93c6ea91704b/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_1c97a6ff-3909-4cf8-976f-93c6ea91704b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c97a6ff-3909-4cf8-976f-93c6ea91704b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0920b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c97a6ff-3909-4cf8-976f-93c6ea91704b/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_1c97a6ff-3909-4cf8-976f-93c6ea91704b/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 0e9506709080674bf2939bd14266694370597fe695fd6b2ee930207a676e93e8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:07:42,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:07:42,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c97a6ff-3909-4cf8-976f-93c6ea91704b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:07:42,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:07:42,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:07:42,591 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:07:42,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:07:42,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:07:42,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:07:42,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:07:42,595 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:07:42,596 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:07:42,596 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:07:42,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:07:42,597 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:07:42,598 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:07:42,598 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:07:42,599 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:07:42,600 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:07:42,600 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:07:42,603 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:07:42,604 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:07:42,605 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:07:42,605 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:07:42,606 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:07:42,606 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:07:42,607 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:07:42,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:07:42,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:42,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:07:42,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:07:42,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:07:42,610 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:07:42,610 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:07:42,610 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:07:42,611 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:07:42,611 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:07:42,611 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_1c97a6ff-3909-4cf8-976f-93c6ea91704b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c97a6ff-3909-4cf8-976f-93c6ea91704b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e9506709080674bf2939bd14266694370597fe695fd6b2ee930207a676e93e8 [2023-11-19 03:07:43,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:07:43,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:07:43,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:07:43,074 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:07:43,075 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:07:43,077 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c97a6ff-3909-4cf8-976f-93c6ea91704b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/double_req_bl_0920b.c [2023-11-19 03:07:46,506 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:07:46,828 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:07:46,829 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c97a6ff-3909-4cf8-976f-93c6ea91704b/sv-benchmarks/c/float-newlib/double_req_bl_0920b.c [2023-11-19 03:07:46,844 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c97a6ff-3909-4cf8-976f-93c6ea91704b/bin/ukojak-verify-G8NBE6pJGL/data/2947c3599/71a99f3600df4a7bb8cd101a0902c29a/FLAG5a61e7c1f [2023-11-19 03:07:46,874 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c97a6ff-3909-4cf8-976f-93c6ea91704b/bin/ukojak-verify-G8NBE6pJGL/data/2947c3599/71a99f3600df4a7bb8cd101a0902c29a [2023-11-19 03:07:46,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:07:46,884 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:07:46,888 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:46,888 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:07:46,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:07:46,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:46" (1/1) ... [2023-11-19 03:07:46,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6486963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:46, skipping insertion in model container [2023-11-19 03:07:46,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:46" (1/1) ... [2023-11-19 03:07:46,953 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:07:47,250 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_1c97a6ff-3909-4cf8-976f-93c6ea91704b/sv-benchmarks/c/float-newlib/double_req_bl_0920b.c[3940,3953] [2023-11-19 03:07:47,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:47,279 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:07:47,393 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_1c97a6ff-3909-4cf8-976f-93c6ea91704b/sv-benchmarks/c/float-newlib/double_req_bl_0920b.c[3940,3953] [2023-11-19 03:07:47,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:47,428 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:07:47,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:47 WrapperNode [2023-11-19 03:07:47,429 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:47,431 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:47,431 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:07:47,432 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:07:47,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:47" (1/1) ... [2023-11-19 03:07:47,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:47" (1/1) ... [2023-11-19 03:07:47,526 INFO L138 Inliner]: procedures = 22, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 147 [2023-11-19 03:07:47,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:47,534 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:07:47,535 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:07:47,536 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:07:47,546 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:47" (1/1) ... [2023-11-19 03:07:47,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:47" (1/1) ... [2023-11-19 03:07:47,552 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:47" (1/1) ... [2023-11-19 03:07:47,553 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:47" (1/1) ... [2023-11-19 03:07:47,571 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:47" (1/1) ... [2023-11-19 03:07:47,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:47" (1/1) ... [2023-11-19 03:07:47,579 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:47" (1/1) ... [2023-11-19 03:07:47,581 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:47" (1/1) ... [2023-11-19 03:07:47,587 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:07:47,588 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:07:47,588 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:07:47,589 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:07:47,595 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:47" (1/1) ... [2023-11-19 03:07:47,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:47,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c97a6ff-3909-4cf8-976f-93c6ea91704b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:07:47,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c97a6ff-3909-4cf8-976f-93c6ea91704b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:07:47,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c97a6ff-3909-4cf8-976f-93c6ea91704b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:07:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:07:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-19 03:07:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 03:07:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:07:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:07:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:07:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:07:47,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:07:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:07:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:07:47,866 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:07:47,868 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation