./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0833.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0833.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk --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 b5f03ef8422f7b7708e900a4e8a8defb18a5d0c6a337d34a875dec58ac2c0349 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:05:31,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:31,809 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:05:31,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:05:31,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:05:31,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:05:31,846 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:05:31,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:05:31,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:05:31,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:05:31,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:05:31,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:05:31,849 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:05:31,849 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:05:31,850 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:05:31,850 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:05:31,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:05:31,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:05:31,854 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:05:31,854 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:05:31,854 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:05:31,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:05:31,857 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:05:31,857 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:05:31,857 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:05:31,858 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:05:31,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:05:31,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:31,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:05:31,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:05:31,859 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:05:31,860 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:05:31,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:05:31,860 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_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5f03ef8422f7b7708e900a4e8a8defb18a5d0c6a337d34a875dec58ac2c0349 [2024-11-08 22:05:32,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:05:32,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:05:32,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:05:32,215 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:05:32,220 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:05:32,222 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_0833.c Unable to find full path for "g++" [2024-11-08 22:05:34,247 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:05:34,472 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:05:34,472 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/sv-benchmarks/c/float-newlib/float_req_bl_0833.c [2024-11-08 22:05:34,485 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/data/9f6d82e29/179fc4714cdd40ec9dea44f47bdd92e9/FLAG84a425e34 [2024-11-08 22:05:34,821 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/data/9f6d82e29/179fc4714cdd40ec9dea44f47bdd92e9 [2024-11-08 22:05:34,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:05:34,826 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:05:34,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:34,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:05:34,850 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:05:34,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:34" (1/1) ... [2024-11-08 22:05:34,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16d5e9d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:34, skipping insertion in model container [2024-11-08 22:05:34,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:34" (1/1) ... [2024-11-08 22:05:34,914 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:05:35,150 WARN L250 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_be500a83-e247-48fe-a1dc-f602624e09fd/sv-benchmarks/c/float-newlib/float_req_bl_0833.c[3348,3361] [2024-11-08 22:05:35,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:35,165 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:05:35,206 WARN L250 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_be500a83-e247-48fe-a1dc-f602624e09fd/sv-benchmarks/c/float-newlib/float_req_bl_0833.c[3348,3361] [2024-11-08 22:05:35,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:35,229 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:05:35,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35 WrapperNode [2024-11-08 22:05:35,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:35,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:35,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:05:35,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:05:35,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,248 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,276 INFO L138 Inliner]: procedures = 18, calls = 47, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 182 [2024-11-08 22:05:35,280 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:35,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:05:35,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:05:35,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:05:35,292 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,307 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,313 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,315 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,319 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:05:35,320 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:05:35,320 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:05:35,321 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:05:35,322 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:35,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:05:35,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:05:35,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:05:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:05:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:05:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:05:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:05:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-08 22:05:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-08 22:05:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:05:35,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:05:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:05:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-08 22:05:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:05:35,497 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:05:35,498 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:05:35,807 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-08 22:05:35,807 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:05:35,894 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:05:35,894 INFO L316 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-08 22:05:35,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:35 BoogieIcfgContainer [2024-11-08 22:05:35,894 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:05:35,898 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:05:35,898 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:05:35,911 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:05:35,911 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:05:35,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:35,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2024-11-08 22:05:35,980 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2024-11-08 22:05:35,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:05:35,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:35,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:36,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:05:36,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:36,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-11-08 22:05:36,204 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-11-08 22:05:36,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:05:36,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:36,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:36,275 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:36,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:36,525 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 22:05:36,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:05:36 ImpRootNode [2024-11-08 22:05:36,572 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:05:36,573 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:05:36,573 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:05:36,574 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:05:36,574 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:35" (3/4) ... [2024-11-08 22:05:36,578 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:05:36,579 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:05:36,580 INFO L158 Benchmark]: Toolchain (without parser) took 1754.12ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 58.5MB in the beginning and 117.3MB in the end (delta: -58.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:36,581 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 119.5MB. Free memory is still 94.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:36,581 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.06ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 58.3MB in the beginning and 111.9MB in the end (delta: -53.5MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-11-08 22:05:36,582 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.63ms. Allocated memory is still 153.1MB. Free memory was 111.9MB in the beginning and 109.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:36,583 INFO L158 Benchmark]: Boogie Preprocessor took 38.43ms. Allocated memory is still 153.1MB. Free memory was 109.8MB in the beginning and 107.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:36,585 INFO L158 Benchmark]: RCFGBuilder took 574.43ms. Allocated memory is still 153.1MB. Free memory was 107.7MB in the beginning and 87.3MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 22:05:36,587 INFO L158 Benchmark]: CodeCheck took 674.00ms. Allocated memory is still 153.1MB. Free memory was 87.3MB in the beginning and 117.3MB in the end (delta: -30.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:36,587 INFO L158 Benchmark]: Witness Printer took 5.72ms. Allocated memory is still 153.1MB. Free memory is still 117.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:36,594 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, 34 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, 18 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 18 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 65 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: 133]: 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 someBinaryFLOATComparisonOperation at line 132, overapproximation of someUnaryDOUBLEoperation at line 18, overapproximation of someBinaryArithmeticFLOAToperation at line 49. Possible FailurePath: [L14-L33] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L128] float x = -1.0f / 0.0f; [L129] CALL, EXPR __ieee754_expf(x) [L36] float y, hi, lo, c, t; [L37] __int32_t k = 0, xsb, sx; [L38] __uint32_t hx; VAL [P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L41] ieee_float_shape_type gf_u; [L42] gf_u.value = (x) [L43] EXPR gf_u.word [L43] (sx) = gf_u.word [L45] xsb = (sx >> 31) & 1 [L46] hx = sx & 0x7fffffff VAL [P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, hx=2139095041, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, sx=2139095041, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=2, xsb=0] [L48] COND TRUE ((hx) > 0x7f800000L) [L49] return x + x; VAL [P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, sx=2139095041, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=2, xsb=0] [L129] RET, EXPR __ieee754_expf(x) [L129] float res = __ieee754_expf(x); [L132] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, res=8, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L132] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L133] reach_error() VAL [P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, res=8, twom100_exp=39443045261/50000000000000000000000000000000000000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 119.5MB. Free memory is still 94.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.06ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 58.3MB in the beginning and 111.9MB in the end (delta: -53.5MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.63ms. Allocated memory is still 153.1MB. Free memory was 111.9MB in the beginning and 109.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.43ms. Allocated memory is still 153.1MB. Free memory was 109.8MB in the beginning and 107.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 574.43ms. Allocated memory is still 153.1MB. Free memory was 107.7MB in the beginning and 87.3MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 674.00ms. Allocated memory is still 153.1MB. Free memory was 87.3MB in the beginning and 117.3MB in the end (delta: -30.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.72ms. Allocated memory is still 153.1MB. Free memory is still 117.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:05:36,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0833.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk --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 b5f03ef8422f7b7708e900a4e8a8defb18a5d0c6a337d34a875dec58ac2c0349 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:05:39,194 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:39,306 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:05:39,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:05:39,352 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:05:39,353 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:05:39,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:05:39,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:05:39,356 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:05:39,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:05:39,359 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:05:39,362 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:05:39,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:05:39,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:05:39,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:05:39,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:05:39,364 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:05:39,364 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:05:39,365 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:05:39,365 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:05:39,367 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:05:39,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:05:39,367 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:05:39,368 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:05:39,368 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:05:39,368 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:05:39,369 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:39,369 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:05:39,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:05:39,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:39,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:05:39,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:05:39,371 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:05:39,371 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:05:39,371 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:39,371 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:05:39,372 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_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5f03ef8422f7b7708e900a4e8a8defb18a5d0c6a337d34a875dec58ac2c0349 [2024-11-08 22:05:39,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:05:39,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:05:39,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:05:39,855 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:05:39,856 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:05:39,859 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_0833.c Unable to find full path for "g++" [2024-11-08 22:05:42,038 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:05:42,308 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:05:42,309 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/sv-benchmarks/c/float-newlib/float_req_bl_0833.c [2024-11-08 22:05:42,316 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/data/5d3b7813d/da6adecc1ae646569154c571b480491c/FLAGaba40ed4b [2024-11-08 22:05:42,627 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/data/5d3b7813d/da6adecc1ae646569154c571b480491c [2024-11-08 22:05:42,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:05:42,636 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:05:42,640 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:42,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:05:42,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:05:42,654 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad1bdee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:42, skipping insertion in model container [2024-11-08 22:05:42,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:42" (1/1) ... [2024-11-08 22:05:42,714 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:05:42,998 WARN L250 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_be500a83-e247-48fe-a1dc-f602624e09fd/sv-benchmarks/c/float-newlib/float_req_bl_0833.c[3348,3361] [2024-11-08 22:05:43,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:43,025 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:05:43,093 WARN L250 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_be500a83-e247-48fe-a1dc-f602624e09fd/sv-benchmarks/c/float-newlib/float_req_bl_0833.c[3348,3361] [2024-11-08 22:05:43,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:43,131 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:05:43,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:43 WrapperNode [2024-11-08 22:05:43,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:43,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:43,134 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:05:43,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:05:43,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,197 INFO L138 Inliner]: procedures = 21, calls = 47, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 182 [2024-11-08 22:05:43,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:43,198 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:05:43,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:05:43,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:05:43,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,235 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,235 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,253 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,260 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,266 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:05:43,267 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:05:43,267 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:05:43,267 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:05:43,268 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:43,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:05:43,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:05:43,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:05:43,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:05:43,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-08 22:05:43,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:05:43,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:05:43,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-08 22:05:43,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 22:05:43,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:05:43,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:05:43,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-08 22:05:43,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 22:05:43,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:05:43,509 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:05:43,512 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:06:17,905 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2024-11-08 22:06:17,905 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:06:17,991 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:06:17,992 INFO L316 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-08 22:06:17,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:17 BoogieIcfgContainer [2024-11-08 22:06:17,992 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:06:17,993 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:06:17,993 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:06:18,017 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:06:18,017 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:17" (1/1) ... [2024-11-08 22:06:18,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:06:18,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:18,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2024-11-08 22:06:18,086 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2024-11-08 22:06:18,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:06:18,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:18,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:18,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:18,091 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:18,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:06:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:18,609 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:18,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 22:06:18,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:18,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:06:18,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:06:18,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:18,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-11-08 22:06:18,772 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-11-08 22:06:18,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:06:18,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:18,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:18,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:18,776 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:18,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:06:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:19,831 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:19,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:19,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:06:19,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:20,048 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:06:20,052 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2024-11-08 22:06:20,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:06:20,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:06:21,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:21,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2024-11-08 22:06:21,037 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2024-11-08 22:06:21,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:06:21,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:21,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:21,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:21,040 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:21,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:06:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:22,455 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:22,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:06:22,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:22,844 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:06:22,845 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-08 22:06:23,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:06:23,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:37,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:06:47,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:06:49,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:06:50,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:50,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-08 22:06:50,713 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-08 22:06:50,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:06:50,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:50,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:50,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:50,716 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:50,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:06:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:51,690 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:51,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:06:51,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:51,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 22:06:51,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2024-11-08 22:06:51,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:06:51,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 22:06:55,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:55,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2024-11-08 22:06:55,367 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2024-11-08 22:06:55,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:06:55,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:55,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:55,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:55,372 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:55,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:06:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:55,874 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:55,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 22:06:55,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:55,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:06:55,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:55,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:55,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2024-11-08 22:06:55,952 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2024-11-08 22:06:55,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:06:55,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:55,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:55,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:55,956 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:55,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:06:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:56,949 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:57,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:06:57,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:57,065 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:06:57,066 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2024-11-08 22:06:57,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:06:57,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-08 22:06:58,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:58,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 16 states and 15 transitions. [2024-11-08 22:06:58,166 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2024-11-08 22:06:58,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:06:58,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:58,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:58,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:58,168 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:58,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 22:06:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:59,269 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:59,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 22:06:59,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:59,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 22:07:02,119 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 22:07:02,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 27 [2024-11-08 22:07:02,167 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:07:02,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 30 [2024-11-08 22:07:02,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:07:02,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 22:07:17,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:07:28,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:07:36,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:36,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 14 states and 13 transitions. [2024-11-08 22:07:36,007 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2024-11-08 22:07:36,008 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:07:36,008 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-08 22:07:36,018 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 22:07:36,571 INFO L75 FloydHoareUtils]: For program point L52(lines 52 53) no Hoare annotation was computed. [2024-11-08 22:07:36,571 INFO L75 FloydHoareUtils]: For program point L77(lines 77 80) no Hoare annotation was computed. [2024-11-08 22:07:36,571 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 122 138) the Hoare annotation is: true [2024-11-08 22:07:36,571 INFO L75 FloydHoareUtils]: For program point L69(lines 69 72) no Hoare annotation was computed. [2024-11-08 22:07:36,572 INFO L75 FloydHoareUtils]: For program point L69-2(lines 57 72) no Hoare annotation was computed. [2024-11-08 22:07:36,572 INFO L75 FloydHoareUtils]: For program point L70(lines 70 71) no Hoare annotation was computed. [2024-11-08 22:07:36,572 INFO L75 FloydHoareUtils]: For program point L54(lines 54 55) no Hoare annotation was computed. [2024-11-08 22:07:36,572 INFO L77 FloydHoareUtils]: At program point __ieee754_expf_returnLabel#1(lines 35 108) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) |ULTIMATE.start___ieee754_expf_#res#1|) (exists ((|v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_25| (_ BitVec 32))) (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_25|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))))) [2024-11-08 22:07:36,572 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:07:36,572 INFO L75 FloydHoareUtils]: For program point L96-1(lines 96 100) no Hoare annotation was computed. [2024-11-08 22:07:36,573 INFO L75 FloydHoareUtils]: For program point L96-2(lines 96 100) no Hoare annotation was computed. [2024-11-08 22:07:36,573 INFO L75 FloydHoareUtils]: For program point L88(lines 88 92) no Hoare annotation was computed. [2024-11-08 22:07:36,573 INFO L75 FloydHoareUtils]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2024-11-08 22:07:36,573 INFO L75 FloydHoareUtils]: For program point L88-2(lines 88 92) no Hoare annotation was computed. [2024-11-08 22:07:36,573 INFO L77 FloydHoareUtils]: At program point L113-1(lines 113 117) the Hoare annotation is: (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) (fp ((_ extract 31 31) |ULTIMATE.start___signbit_float_~w~0#1|) ((_ extract 30 23) |ULTIMATE.start___signbit_float_~w~0#1|) ((_ extract 22 0) |ULTIMATE.start___signbit_float_~w~0#1|))) [2024-11-08 22:07:36,573 INFO L77 FloydHoareUtils]: At program point L113-2(lines 113 117) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) |ULTIMATE.start___signbit_float_~x#1|) (exists ((|v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_25| (_ BitVec 32))) (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_25|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))))) [2024-11-08 22:07:36,574 INFO L77 FloydHoareUtils]: At program point L113-3(lines 113 117) the Hoare annotation is: (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) (fp ((_ extract 31 31) |ULTIMATE.start___signbit_float_~w~0#1|) ((_ extract 30 23) |ULTIMATE.start___signbit_float_~w~0#1|) ((_ extract 22 0) |ULTIMATE.start___signbit_float_~w~0#1|))) [2024-11-08 22:07:36,574 INFO L75 FloydHoareUtils]: For program point L81(lines 81 107) no Hoare annotation was computed. [2024-11-08 22:07:36,574 INFO L77 FloydHoareUtils]: At program point L48(lines 48 49) the Hoare annotation is: (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start___ieee754_expf_~x#1|) (exists ((|v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_25| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_25|) (_ bv0 32)))) (and (= |ULTIMATE.start___ieee754_expf_~x#1| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= (bvand (_ bv1 32) (bvashr .cse0 (_ bv31 32))) |ULTIMATE.start___ieee754_expf_~xsb~0#1|)))) (exists ((|ULTIMATE.start___ieee754_expf_~sx~0#1| (_ BitVec 32))) (and (= |ULTIMATE.start___ieee754_expf_~hx~0#1| (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_expf_~sx~0#1|)) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_expf_~sx~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_expf_~sx~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_expf_~sx~0#1|)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))))) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_expf_~sx~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_expf_~sx~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_expf_~sx~0#1|)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (= currentRoundingMode roundNearestTiesToEven)) [2024-11-08 22:07:36,575 INFO L77 FloydHoareUtils]: At program point L40-1(lines 40 44) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_25| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_25|) (_ bv0 32)))) (and (= |ULTIMATE.start___ieee754_expf_~x#1| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= |ULTIMATE.start___ieee754_expf_~sx~0#1| .cse0)))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start___ieee754_expf_~x#1|) (= currentRoundingMode roundNearestTiesToEven)) [2024-11-08 22:07:36,575 INFO L77 FloydHoareUtils]: At program point L40-2(lines 40 44) the Hoare annotation is: (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start___ieee754_expf_~x#1|) (= currentRoundingMode roundNearestTiesToEven)) [2024-11-08 22:07:36,575 INFO L77 FloydHoareUtils]: At program point L40-3(lines 40 44) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_25| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_25|) (_ bv0 32)))) (and (= |ULTIMATE.start___ieee754_expf_~x#1| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= |ULTIMATE.start___ieee754_expf_~sx~0#1| .cse0)))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start___ieee754_expf_~x#1|) (= currentRoundingMode roundNearestTiesToEven)) [2024-11-08 22:07:36,575 INFO L75 FloydHoareUtils]: For program point L57(lines 57 72) no Hoare annotation was computed. [2024-11-08 22:07:36,576 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2024-11-08 22:07:36,576 INFO L77 FloydHoareUtils]: At program point L132(line 132) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short17#1| (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) |ULTIMATE.start_main_~res~0#1|) (exists ((|v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_25| (_ BitVec 32))) (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_25|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))))) [2024-11-08 22:07:36,576 INFO L77 FloydHoareUtils]: At program point L132-2(lines 132 135) the Hoare annotation is: |ULTIMATE.start_main_#t~short17#1| [2024-11-08 22:07:36,576 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:07:36,577 INFO L77 FloydHoareUtils]: At program point L50(lines 50 51) the Hoare annotation is: (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start___ieee754_expf_~x#1|) (exists ((|v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_25| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_25|) (_ bv0 32)))) (and (= |ULTIMATE.start___ieee754_expf_~x#1| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= (bvand (_ bv1 32) (bvashr .cse0 (_ bv31 32))) |ULTIMATE.start___ieee754_expf_~xsb~0#1|)))) (exists ((|ULTIMATE.start___ieee754_expf_~sx~0#1| (_ BitVec 32))) (and (= |ULTIMATE.start___ieee754_expf_~hx~0#1| (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_expf_~sx~0#1|)) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_expf_~sx~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_expf_~sx~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_expf_~sx~0#1|)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))))) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_expf_~sx~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_expf_~sx~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_expf_~sx~0#1|)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (= currentRoundingMode roundNearestTiesToEven)) [2024-11-08 22:07:36,577 INFO L75 FloydHoareUtils]: For program point L83-1(lines 83 87) no Hoare annotation was computed. [2024-11-08 22:07:36,577 INFO L75 FloydHoareUtils]: For program point L83-2(lines 83 87) no Hoare annotation was computed. [2024-11-08 22:07:36,577 INFO L75 FloydHoareUtils]: For program point L133(line 133) no Hoare annotation was computed. [2024-11-08 22:07:36,577 INFO L75 FloydHoareUtils]: For program point L101(lines 101 105) no Hoare annotation was computed. [2024-11-08 22:07:36,578 INFO L75 FloydHoareUtils]: For program point L101-1(lines 101 105) no Hoare annotation was computed. [2024-11-08 22:07:36,578 INFO L75 FloydHoareUtils]: For program point L101-2(lines 101 105) no Hoare annotation was computed. [2024-11-08 22:07:36,590 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 22:07:36,592 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-08 22:07:36,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:07:36 ImpRootNode [2024-11-08 22:07:36,593 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:07:36,594 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:07:36,594 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:07:36,594 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:07:36,595 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:17" (3/4) ... [2024-11-08 22:07:36,597 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:07:36,605 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-11-08 22:07:36,606 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-08 22:07:36,606 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 22:07:36,607 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:07:36,721 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:07:36,721 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:07:36,721 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:07:36,722 INFO L158 Benchmark]: Toolchain (without parser) took 114086.45ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 53.7MB in the beginning and 72.2MB in the end (delta: -18.4MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-11-08 22:07:36,722 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 77.6MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:07:36,723 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.42ms. Allocated memory is still 77.6MB. Free memory was 53.7MB in the beginning and 38.5MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:07:36,723 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.97ms. Allocated memory is still 77.6MB. Free memory was 38.2MB in the beginning and 36.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:07:36,723 INFO L158 Benchmark]: Boogie Preprocessor took 67.39ms. Allocated memory is still 77.6MB. Free memory was 36.2MB in the beginning and 55.6MB in the end (delta: -19.4MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2024-11-08 22:07:36,724 INFO L158 Benchmark]: RCFGBuilder took 34725.82ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 55.6MB in the beginning and 78.4MB in the end (delta: -22.9MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2024-11-08 22:07:36,724 INFO L158 Benchmark]: CodeCheck took 78600.13ms. Allocated memory is still 104.9MB. Free memory was 78.0MB in the beginning and 77.5MB in the end (delta: 464.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:07:36,724 INFO L158 Benchmark]: Witness Printer took 127.69ms. Allocated memory is still 104.9MB. Free memory was 77.5MB in the beginning and 72.2MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 22:07:36,726 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, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 78.0s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 12 mSolverCounterUnknown, 321 SdHoareTripleChecker+Valid, 149.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 220 SdHoareTripleChecker+Invalid, 143.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 54 mSDsCounter, 89 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 403 IncrementalHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 89 mSolverCounterUnsat, 166 mSDtfsCounter, 403 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 670 GetRequests, 604 SyntacticMatches, 8 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1035 ImplicationChecksByTransitivity, 18.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 68 ConstructedInterpolants, 24 QuantifiedInterpolants, 721 SizeOfPredicates, 19 NumberOfNonLiveVariables, 465 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 - PositiveResult [Line: 133]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 77.6MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 492.42ms. Allocated memory is still 77.6MB. Free memory was 53.7MB in the beginning and 38.5MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.97ms. Allocated memory is still 77.6MB. Free memory was 38.2MB in the beginning and 36.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.39ms. Allocated memory is still 77.6MB. Free memory was 36.2MB in the beginning and 55.6MB in the end (delta: -19.4MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * RCFGBuilder took 34725.82ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 55.6MB in the beginning and 78.4MB in the end (delta: -22.9MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * CodeCheck took 78600.13ms. Allocated memory is still 104.9MB. Free memory was 78.0MB in the beginning and 77.5MB in the end (delta: 464.7kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 127.69ms. Allocated memory is still 104.9MB. Free memory was 77.5MB in the beginning and 72.2MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression RESULT: Ultimate proved your program to be correct! [2024-11-08 22:07:36,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be500a83-e247-48fe-a1dc-f602624e09fd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE