./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 0e0057cc 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_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/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_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi --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 0.2.4-dev-0e0057c [2023-11-24 23:10:36,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:10:37,047 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:10:37,055 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:10:37,056 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:10:37,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:10:37,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:10:37,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:10:37,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:10:37,099 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:10:37,099 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:10:37,100 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:10:37,100 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:10:37,103 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:10:37,103 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:10:37,104 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:10:37,104 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:10:37,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:10:37,105 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:10:37,105 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:10:37,106 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:10:37,106 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:10:37,107 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:10:37,108 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:10:37,108 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:10:37,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:10:37,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:37,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:10:37,110 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:10:37,110 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:10:37,111 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:10:37,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:10:37,112 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:10:37,112 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_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3a055bb9d53f77724c1dac9c78593cd811371321391d876315f494413ec0f42 [2023-11-24 23:10:37,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:10:37,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:10:37,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:10:37,430 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:10:37,430 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:10:37,432 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/float_req_bl_0910b.c [2023-11-24 23:10:40,605 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:10:40,819 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:10:40,821 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c [2023-11-24 23:10:40,831 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/data/00d32fcb4/a893edb945f6405081acdea76af48f11/FLAGdea21ff2b [2023-11-24 23:10:40,844 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/data/00d32fcb4/a893edb945f6405081acdea76af48f11 [2023-11-24 23:10:40,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:10:40,849 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:10:40,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:40,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:10:40,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:10:40,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:40" (1/1) ... [2023-11-24 23:10:40,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c41f214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:40, skipping insertion in model container [2023-11-24 23:10:40,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:40" (1/1) ... [2023-11-24 23:10:40,887 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:10:41,088 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_53bfe559-b260-4d41-a7cb-5c7d715a24f3/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c[3133,3146] [2023-11-24 23:10:41,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:41,123 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:10:41,181 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_53bfe559-b260-4d41-a7cb-5c7d715a24f3/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c[3133,3146] [2023-11-24 23:10:41,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:41,213 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:10:41,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:41 WrapperNode [2023-11-24 23:10:41,214 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:41,215 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:41,215 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:10:41,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:10:41,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:41" (1/1) ... [2023-11-24 23:10:41,247 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:41" (1/1) ... [2023-11-24 23:10:41,294 INFO L138 Inliner]: procedures = 17, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 200 [2023-11-24 23:10:41,295 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:41,296 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:10:41,296 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:10:41,296 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:10:41,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:41" (1/1) ... [2023-11-24 23:10:41,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:41" (1/1) ... [2023-11-24 23:10:41,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:41" (1/1) ... [2023-11-24 23:10:41,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:41" (1/1) ... [2023-11-24 23:10:41,346 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:41" (1/1) ... [2023-11-24 23:10:41,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:41" (1/1) ... [2023-11-24 23:10:41,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:41" (1/1) ... [2023-11-24 23:10:41,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:41" (1/1) ... [2023-11-24 23:10:41,372 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:10:41,373 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:10:41,373 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:10:41,373 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:10:41,374 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:41" (1/1) ... [2023-11-24 23:10:41,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:41,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:10:41,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:10:41,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:10:41,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:10:41,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:10:41,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:10:41,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:10:41,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:10:41,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:10:41,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:10:41,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:10:41,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:10:41,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:10:41,605 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:10:41,611 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:10:41,925 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:10:42,142 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:10:42,142 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-24 23:10:42,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:42 BoogieIcfgContainer [2023-11-24 23:10:42,145 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:10:42,146 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:10:42,146 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:10:42,157 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:10:42,158 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:42" (1/1) ... [2023-11-24 23:10:42,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:10:42,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:42,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2023-11-24 23:10:42,231 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2023-11-24 23:10:42,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:10:42,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:42,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:42,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:42,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:42,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2023-11-24 23:10:42,444 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2023-11-24 23:10:42,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:10:42,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:42,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:42,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:10:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:42,716 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:10:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:42,805 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 23:10:42,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:10:42 ImpRootNode [2023-11-24 23:10:42,860 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:10:42,861 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:10:42,861 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:10:42,861 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:10:42,861 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:42" (3/4) ... [2023-11-24 23:10:42,864 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:10:42,865 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:10:42,866 INFO L158 Benchmark]: Toolchain (without parser) took 2017.07ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 83.1MB in the beginning and 88.1MB in the end (delta: -4.9MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2023-11-24 23:10:42,867 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:10:42,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.36ms. Allocated memory is still 127.9MB. Free memory was 82.9MB in the beginning and 70.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:10:42,868 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.02ms. Allocated memory is still 127.9MB. Free memory was 70.3MB in the beginning and 68.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:10:42,869 INFO L158 Benchmark]: Boogie Preprocessor took 76.42ms. Allocated memory is still 127.9MB. Free memory was 68.2MB in the beginning and 66.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:10:42,870 INFO L158 Benchmark]: RCFGBuilder took 771.74ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 66.4MB in the beginning and 113.9MB in the end (delta: -47.6MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2023-11-24 23:10:42,871 INFO L158 Benchmark]: CodeCheck took 714.70ms. Allocated memory is still 167.8MB. Free memory was 113.9MB in the beginning and 88.6MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-24 23:10:42,872 INFO L158 Benchmark]: Witness Printer took 4.36ms. Allocated memory is still 167.8MB. Free memory was 88.6MB in the beginning and 88.1MB in the end (delta: 583.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:10:42,876 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: 0.6s, 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, 0.1s 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 0.33ms. Allocated memory is still 127.9MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.36ms. Allocated memory is still 127.9MB. Free memory was 82.9MB in the beginning and 70.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.02ms. Allocated memory is still 127.9MB. Free memory was 70.3MB in the beginning and 68.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.42ms. Allocated memory is still 127.9MB. Free memory was 68.2MB in the beginning and 66.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 771.74ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 66.4MB in the beginning and 113.9MB in the end (delta: -47.6MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * CodeCheck took 714.70ms. Allocated memory is still 167.8MB. Free memory was 113.9MB in the beginning and 88.6MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.36ms. Allocated memory is still 167.8MB. Free memory was 88.6MB in the beginning and 88.1MB in the end (delta: 583.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:10:42,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/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_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/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_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi --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 0.2.4-dev-0e0057c [2023-11-24 23:10:45,788 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:10:45,938 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:10:45,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:10:45,997 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:10:45,998 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:10:45,999 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:10:46,000 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:10:46,002 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:10:46,007 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:10:46,008 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:10:46,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:10:46,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:10:46,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:10:46,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:10:46,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:10:46,010 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:10:46,011 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:10:46,011 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:10:46,012 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:10:46,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:10:46,014 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:10:46,014 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:10:46,015 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:10:46,015 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:10:46,015 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:46,016 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:10:46,017 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:10:46,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:46,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:10:46,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:10:46,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:10:46,020 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:10:46,020 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:46,021 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:10:46,021 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:10:46,021 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:10:46,021 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_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3a055bb9d53f77724c1dac9c78593cd811371321391d876315f494413ec0f42 [2023-11-24 23:10:46,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:10:46,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:10:46,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:10:46,560 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:10:46,561 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:10:46,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/float_req_bl_0910b.c [2023-11-24 23:10:49,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:10:50,077 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:10:50,079 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c [2023-11-24 23:10:50,089 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/data/a94a84256/9397a45e86f140409f6b7a5b28cd9fc4/FLAGd8329c727 [2023-11-24 23:10:50,104 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/data/a94a84256/9397a45e86f140409f6b7a5b28cd9fc4 [2023-11-24 23:10:50,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:10:50,107 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:10:50,109 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:50,109 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:10:50,113 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:10:50,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:50" (1/1) ... [2023-11-24 23:10:50,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd6fda9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:50, skipping insertion in model container [2023-11-24 23:10:50,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:50" (1/1) ... [2023-11-24 23:10:50,139 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:10:50,332 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_53bfe559-b260-4d41-a7cb-5c7d715a24f3/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c[3133,3146] [2023-11-24 23:10:50,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:50,356 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:10:50,395 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_53bfe559-b260-4d41-a7cb-5c7d715a24f3/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c[3133,3146] [2023-11-24 23:10:50,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:50,415 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:10:50,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:50 WrapperNode [2023-11-24 23:10:50,416 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:50,417 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:50,417 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:10:50,417 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:10:50,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:50" (1/1) ... [2023-11-24 23:10:50,437 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:50" (1/1) ... [2023-11-24 23:10:50,475 INFO L138 Inliner]: procedures = 20, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 156 [2023-11-24 23:10:50,476 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:50,477 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:10:50,477 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:10:50,477 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:10:50,487 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:50" (1/1) ... [2023-11-24 23:10:50,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:50" (1/1) ... [2023-11-24 23:10:50,493 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:50" (1/1) ... [2023-11-24 23:10:50,494 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:50" (1/1) ... [2023-11-24 23:10:50,506 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:50" (1/1) ... [2023-11-24 23:10:50,510 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:50" (1/1) ... [2023-11-24 23:10:50,513 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:50" (1/1) ... [2023-11-24 23:10:50,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:50" (1/1) ... [2023-11-24 23:10:50,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:10:50,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:10:50,522 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:10:50,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:10:50,523 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:50" (1/1) ... [2023-11-24 23:10:50,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:50,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:10:50,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:10:50,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:10:50,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:10:50,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:10:50,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:10:50,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-24 23:10:50,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:10:50,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:10:50,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:10:50,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-24 23:10:50,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:10:50,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:10:50,795 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:10:50,797 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:11:46,349 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:11:46,426 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:11:46,427 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-24 23:11:46,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:46 BoogieIcfgContainer [2023-11-24 23:11:46,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:11:46,430 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:11:46,430 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:11:46,440 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:11:46,441 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:46" (1/1) ... [2023-11-24 23:11:46,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:11:46,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:46,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2023-11-24 23:11:46,525 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2023-11-24 23:11:46,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:11:46,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:46,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:11:46,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:11:46,533 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:11:46,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:11:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:47,114 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:11:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:47,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:11:47,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:47,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:47,189 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:11:47,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53bfe559-b260-4d41-a7cb-5c7d715a24f3/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0