./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1232a.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_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/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_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1232a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/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_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/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 6f83584f969f73b8fbd0ee35f3e06725eeb8b2fb54d0ca8487878342f741f280 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:42:45,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:42:45,673 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:42:45,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:42:45,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:42:45,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:42:45,709 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:42:45,709 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:42:45,710 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:42:45,711 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:42:45,712 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:42:45,712 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:42:45,713 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:42:45,713 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:42:45,714 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:42:45,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:42:45,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:42:45,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:42:45,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:42:45,716 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:42:45,717 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:42:45,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:42:45,718 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:42:45,719 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:42:45,719 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:42:45,720 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:42:45,720 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:42:45,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:42:45,721 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:42:45,722 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:42:45,722 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:42:45,723 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:42:45,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:42:45,724 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_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f83584f969f73b8fbd0ee35f3e06725eeb8b2fb54d0ca8487878342f741f280 [2024-11-09 00:42:46,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:42:46,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:42:46,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:42:46,091 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:42:46,092 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:42:46,093 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_1232a.c Unable to find full path for "g++" [2024-11-09 00:42:48,575 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:42:48,859 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:42:48,859 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/sv-benchmarks/c/float-newlib/float_req_bl_1232a.c [2024-11-09 00:42:48,868 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/data/ae677d9c0/8d188e6970474b2194b7fd34de24cf0b/FLAG0b3a8192a [2024-11-09 00:42:48,884 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/data/ae677d9c0/8d188e6970474b2194b7fd34de24cf0b [2024-11-09 00:42:48,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:42:48,890 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:42:48,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:42:48,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:42:48,901 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:42:48,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:42:48" (1/1) ... [2024-11-09 00:42:48,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d1bfb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:48, skipping insertion in model container [2024-11-09 00:42:48,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:42:48" (1/1) ... [2024-11-09 00:42:48,935 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:42:49,218 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_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/sv-benchmarks/c/float-newlib/float_req_bl_1232a.c[1656,1669] [2024-11-09 00:42:49,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:42:49,238 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:42:49,269 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_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/sv-benchmarks/c/float-newlib/float_req_bl_1232a.c[1656,1669] [2024-11-09 00:42:49,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:42:49,294 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:42:49,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:49 WrapperNode [2024-11-09 00:42:49,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:42:49,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:42:49,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:42:49,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:42:49,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:49" (1/1) ... [2024-11-09 00:42:49,316 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:49" (1/1) ... [2024-11-09 00:42:49,343 INFO L138 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-11-09 00:42:49,344 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:42:49,344 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:42:49,345 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:42:49,345 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:42:49,358 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:49" (1/1) ... [2024-11-09 00:42:49,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:49" (1/1) ... [2024-11-09 00:42:49,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:49" (1/1) ... [2024-11-09 00:42:49,362 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:49" (1/1) ... [2024-11-09 00:42:49,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:49" (1/1) ... [2024-11-09 00:42:49,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:49" (1/1) ... [2024-11-09 00:42:49,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:49" (1/1) ... [2024-11-09 00:42:49,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:49" (1/1) ... [2024-11-09 00:42:49,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:42:49,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:42:49,385 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:42:49,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:42:49,386 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:49" (1/1) ... [2024-11-09 00:42:49,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:42:49,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:42:49,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:42:49,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:42:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:42:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:42:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:42:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2024-11-09 00:42:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2024-11-09 00:42:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 00:42:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:42:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:42:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:42:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:42:49,599 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:42:49,603 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:42:49,962 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-09 00:42:49,963 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:42:50,146 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:42:50,146 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 00:42:50,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:42:50 BoogieIcfgContainer [2024-11-09 00:42:50,147 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:42:50,148 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:42:50,149 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:42:50,162 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:42:50,163 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:42:50" (1/1) ... [2024-11-09 00:42:50,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:42:50,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:50,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-09 00:42:50,258 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-09 00:42:50,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:42:50,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:50,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:50,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:42:50,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:50,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2024-11-09 00:42:50,592 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-11-09 00:42:50,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:42:50,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:50,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:42:50,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:42:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:42:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:42:50,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:42:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:42:50,912 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:42:50,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:42:50 ImpRootNode [2024-11-09 00:42:50,940 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:42:50,942 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:42:50,942 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:42:50,942 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:42:50,943 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:42:50" (3/4) ... [2024-11-09 00:42:50,946 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:42:50,947 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:42:50,948 INFO L158 Benchmark]: Toolchain (without parser) took 2058.25ms. Allocated memory is still 136.3MB. Free memory was 99.3MB in the beginning and 93.4MB in the end (delta: 5.8MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-11-09 00:42:50,949 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 136.3MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:42:50,951 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.04ms. Allocated memory is still 136.3MB. Free memory was 99.0MB in the beginning and 86.0MB in the end (delta: 12.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:42:50,952 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.48ms. Allocated memory is still 136.3MB. Free memory was 86.0MB in the beginning and 84.4MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:42:50,952 INFO L158 Benchmark]: Boogie Preprocessor took 38.84ms. Allocated memory is still 136.3MB. Free memory was 84.4MB in the beginning and 83.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:42:50,953 INFO L158 Benchmark]: RCFGBuilder took 763.33ms. Allocated memory is still 136.3MB. Free memory was 83.1MB in the beginning and 62.7MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 00:42:50,956 INFO L158 Benchmark]: CodeCheck took 791.83ms. Allocated memory is still 136.3MB. Free memory was 62.7MB in the beginning and 93.6MB in the end (delta: -30.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:42:50,957 INFO L158 Benchmark]: Witness Printer took 5.53ms. Allocated memory is still 136.3MB. Free memory was 93.6MB in the beginning and 93.4MB in the end (delta: 161.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:42:50,962 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 2 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 16 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 79 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, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 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: 72]: 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 71, overapproximation of someUnaryFLOAToperation at line 67. Possible FailurePath: [L66] float x = 0.0f; [L67] float y = -0.0f; [L68] CALL, EXPR fmin_float(x, y) [L38] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=0] [L15] __uint32_t w; VAL [\old(x)=0, x=0] [L18] ieee_float_shape_type gf_u; [L19] gf_u.value = (x) [L20] EXPR gf_u.word [L20] (w) = gf_u.word [L23] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L25-L26] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L28-L29] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L31] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L34] return 0; [L38] RET, EXPR __fpclassify_float(x) VAL [x=0] [L38] COND TRUE __fpclassify_float(x) == 0 [L39] return y; VAL [\result=4, x=0] [L68] RET, EXPR fmin_float(x, y) [L68] float res = fmin_float(x, y); [L71] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [res=4] [L71] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L72] reach_error() VAL [res=4] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 136.3MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.04ms. Allocated memory is still 136.3MB. Free memory was 99.0MB in the beginning and 86.0MB in the end (delta: 12.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.48ms. Allocated memory is still 136.3MB. Free memory was 86.0MB in the beginning and 84.4MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.84ms. Allocated memory is still 136.3MB. Free memory was 84.4MB in the beginning and 83.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 763.33ms. Allocated memory is still 136.3MB. Free memory was 83.1MB in the beginning and 62.7MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 791.83ms. Allocated memory is still 136.3MB. Free memory was 62.7MB in the beginning and 93.6MB in the end (delta: -30.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.53ms. Allocated memory is still 136.3MB. Free memory was 93.6MB in the beginning and 93.4MB in the end (delta: 161.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:42:51,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/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_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/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_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1232a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/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_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/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 6f83584f969f73b8fbd0ee35f3e06725eeb8b2fb54d0ca8487878342f741f280 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:42:54,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:42:54,174 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:42:54,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:42:54,227 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:42:54,228 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:42:54,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:42:54,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:42:54,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:42:54,233 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:42:54,233 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:42:54,234 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:42:54,234 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:42:54,235 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:42:54,236 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:42:54,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:42:54,239 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:42:54,239 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:42:54,239 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:42:54,240 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:42:54,240 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:42:54,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:42:54,245 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:42:54,246 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:42:54,246 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:42:54,246 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:42:54,247 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:42:54,247 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:42:54,247 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:42:54,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:42:54,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:42:54,250 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:42:54,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:42:54,251 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:42:54,251 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:42:54,252 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:42:54,253 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_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f83584f969f73b8fbd0ee35f3e06725eeb8b2fb54d0ca8487878342f741f280 [2024-11-09 00:42:54,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:42:54,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:42:54,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:42:54,760 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:42:54,761 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:42:54,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_1232a.c Unable to find full path for "g++" [2024-11-09 00:42:57,297 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:42:57,622 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:42:57,623 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/sv-benchmarks/c/float-newlib/float_req_bl_1232a.c [2024-11-09 00:42:57,636 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/data/9110b6b2b/7f9d4e62677644e787b87413b5eece0e/FLAG10e947647 [2024-11-09 00:42:57,920 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/data/9110b6b2b/7f9d4e62677644e787b87413b5eece0e [2024-11-09 00:42:57,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:42:57,928 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:42:57,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:42:57,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:42:57,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:42:57,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:42:57" (1/1) ... [2024-11-09 00:42:57,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39a0bbff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:57, skipping insertion in model container [2024-11-09 00:42:57,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:42:57" (1/1) ... [2024-11-09 00:42:57,976 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:42:58,290 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_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/sv-benchmarks/c/float-newlib/float_req_bl_1232a.c[1656,1669] [2024-11-09 00:42:58,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:42:58,311 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:42:58,358 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_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/sv-benchmarks/c/float-newlib/float_req_bl_1232a.c[1656,1669] [2024-11-09 00:42:58,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:42:58,393 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:42:58,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:58 WrapperNode [2024-11-09 00:42:58,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:42:58,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:42:58,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:42:58,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:42:58,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:58" (1/1) ... [2024-11-09 00:42:58,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:58" (1/1) ... [2024-11-09 00:42:58,445 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-11-09 00:42:58,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:42:58,447 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:42:58,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:42:58,447 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:42:58,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:58" (1/1) ... [2024-11-09 00:42:58,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:58" (1/1) ... [2024-11-09 00:42:58,464 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:58" (1/1) ... [2024-11-09 00:42:58,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:58" (1/1) ... [2024-11-09 00:42:58,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:58" (1/1) ... [2024-11-09 00:42:58,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:58" (1/1) ... [2024-11-09 00:42:58,483 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:58" (1/1) ... [2024-11-09 00:42:58,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:58" (1/1) ... [2024-11-09 00:42:58,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:42:58,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:42:58,490 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:42:58,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:42:58,491 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:58" (1/1) ... [2024-11-09 00:42:58,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:42:58,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:42:58,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:42:58,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:42:58,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:42:58,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:42:58,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:42:58,586 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2024-11-09 00:42:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2024-11-09 00:42:58,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 00:42:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:42:58,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:42:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-09 00:42:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:42:58,695 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:42:58,698 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:42:59,056 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-09 00:42:59,057 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:42:59,206 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:42:59,207 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 00:42:59,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:42:59 BoogieIcfgContainer [2024-11-09 00:42:59,208 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:42:59,209 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:42:59,209 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:42:59,236 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:42:59,236 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:42:59" (1/1) ... [2024-11-09 00:42:59,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:42:59,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:59,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2024-11-09 00:42:59,331 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2024-11-09 00:42:59,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:42:59,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:59,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:42:59,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:42:59,342 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:42:59,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:42:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:59,509 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:42:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:59,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:42:59,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:42:59,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:42:59,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:42:59,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:59,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-11-09 00:42:59,676 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-09 00:42:59,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:42:59,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:59,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:42:59,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:42:59,682 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:42:59,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:42:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:59,919 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:42:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:59,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:42:59,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:43:00,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:43:00,088 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:43:00,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-09 00:43:00,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:43:00,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2024-11-09 00:43:00,227 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-09 00:43:00,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:43:00,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:43:00,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:43:00,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:43:00,230 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:43:00,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:43:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:00,403 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:43:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:00,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:43:00,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:43:00,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:43:00,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 00:43:00,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:43:00,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2024-11-09 00:43:00,481 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-11-09 00:43:00,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:43:00,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:43:00,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:43:00,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:43:00,487 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:43:00,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:43:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:00,700 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:43:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:00,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:43:00,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:43:00,888 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 [2024-11-09 00:43:00,895 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 30 treesize of output 14 [2024-11-09 00:43:00,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:43:00,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-09 00:43:01,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:43:01,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 30 transitions. [2024-11-09 00:43:01,307 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2024-11-09 00:43:01,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:43:01,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:43:01,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:43:01,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:43:01,312 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:43:01,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 00:43:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:01,580 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:43:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:01,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 00:43:01,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:43:01,796 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 [2024-11-09 00:43:01,803 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 29 treesize of output 13 [2024-11-09 00:43:03,943 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:43:03,945 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-09 00:43:05,359 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 00:43:05,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-09 00:43:06,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:43:06,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 18 states and 18 transitions. [2024-11-09 00:43:06,954 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2024-11-09 00:43:06,955 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:43:06,955 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-09 00:43:06,970 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 00:43:07,188 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:43:07,188 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:43:07,188 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 58 77) the Hoare annotation is: true [2024-11-09 00:43:07,189 INFO L77 FloydHoareUtils]: At program point L40(line 40) the Hoare annotation is: true [2024-11-09 00:43:07,189 INFO L77 FloydHoareUtils]: At program point L40-1(lines 40 41) the Hoare annotation is: true [2024-11-09 00:43:07,189 INFO L77 FloydHoareUtils]: At program point L71(line 71) the Hoare annotation is: true [2024-11-09 00:43:07,189 INFO L77 FloydHoareUtils]: At program point L38(line 38) the Hoare annotation is: (and (= |ULTIMATE.start_fmin_float_~x#1| (_ +zero 8 24)) (= (fp.neg (_ +zero 8 24)) |ULTIMATE.start_fmin_float_~y#1|)) [2024-11-09 00:43:07,190 INFO L77 FloydHoareUtils]: At program point L38-1(lines 38 39) the Hoare annotation is: true [2024-11-09 00:43:07,190 INFO L77 FloydHoareUtils]: At program point L71-2(lines 71 74) the Hoare annotation is: true [2024-11-09 00:43:07,191 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 72) the Hoare annotation is: true [2024-11-09 00:43:07,191 INFO L77 FloydHoareUtils]: At program point L49-1(lines 49 53) the Hoare annotation is: true [2024-11-09 00:43:07,191 INFO L77 FloydHoareUtils]: At program point L49-2(lines 49 53) the Hoare annotation is: true [2024-11-09 00:43:07,192 INFO L77 FloydHoareUtils]: At program point L49-3(lines 49 53) the Hoare annotation is: true [2024-11-09 00:43:07,192 INFO L77 FloydHoareUtils]: At program point fmin_float_returnLabel#1(lines 37 44) the Hoare annotation is: true [2024-11-09 00:43:07,192 INFO L77 FloydHoareUtils]: At program point L72(line 72) the Hoare annotation is: true [2024-11-09 00:43:07,193 INFO L77 FloydHoareUtils]: At program point L17-1(lines 17 21) the Hoare annotation is: (= |__fpclassify_float_#in~x| (fp ((_ extract 31 31) __fpclassify_float_~w~0) ((_ extract 30 23) __fpclassify_float_~w~0) ((_ extract 22 0) __fpclassify_float_~w~0))) [2024-11-09 00:43:07,193 INFO L77 FloydHoareUtils]: At program point L17-2(lines 17 21) the Hoare annotation is: (= |__fpclassify_float_#in~x| __fpclassify_float_~x) [2024-11-09 00:43:07,193 INFO L77 FloydHoareUtils]: At program point L17-3(lines 14 35) the Hoare annotation is: (= |__fpclassify_float_#in~x| (fp ((_ extract 31 31) __fpclassify_float_~w~0) ((_ extract 30 23) __fpclassify_float_~w~0) ((_ extract 22 0) __fpclassify_float_~w~0))) [2024-11-09 00:43:07,193 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 35) the Hoare annotation is: true [2024-11-09 00:43:07,206 INFO L77 FloydHoareUtils]: At program point __fpclassify_floatEXIT(lines 14 35) the Hoare annotation is: (or (and (or (= |__fpclassify_float_#in~x| (fp (_ bv1 1) (_ bv0 8) (_ bv0 23))) (= (fp (_ bv0 1) (_ bv0 8) (_ bv0 23)) |__fpclassify_float_#in~x|)) (= (_ bv2 32) |__fpclassify_float_#res|)) (and (= (_ bv1 32) |__fpclassify_float_#res|) (or (= |__fpclassify_float_#in~x| (fp (_ bv1 1) (_ bv255 8) (_ bv0 23))) (= |__fpclassify_float_#in~x| (fp (_ bv0 1) (_ bv255 8) (_ bv0 23))))) (and (or (exists ((v___fpclassify_float_~w~0_27 (_ BitVec 32))) (and (= |__fpclassify_float_#in~x| (fp ((_ extract 31 31) v___fpclassify_float_~w~0_27) ((_ extract 30 23) v___fpclassify_float_~w~0_27) ((_ extract 22 0) v___fpclassify_float_~w~0_27))) (bvuge v___fpclassify_float_~w~0_27 (_ bv1 32)) (bvule v___fpclassify_float_~w~0_27 (_ bv8388607 32)))) (exists ((v___fpclassify_float_~w~0_27 (_ BitVec 32))) (and (= |__fpclassify_float_#in~x| (fp ((_ extract 31 31) v___fpclassify_float_~w~0_27) ((_ extract 30 23) v___fpclassify_float_~w~0_27) ((_ extract 22 0) v___fpclassify_float_~w~0_27))) (bvuge v___fpclassify_float_~w~0_27 (_ bv2147483649 32)) (bvule v___fpclassify_float_~w~0_27 (_ bv2155872255 32))))) (= (_ bv3 32) |__fpclassify_float_#res|)) (and (or (exists ((v___fpclassify_float_~w~0_27 (_ BitVec 32))) (and (bvuge v___fpclassify_float_~w~0_27 (_ bv2155872256 32)) (= |__fpclassify_float_#in~x| (fp ((_ extract 31 31) v___fpclassify_float_~w~0_27) ((_ extract 30 23) v___fpclassify_float_~w~0_27) ((_ extract 22 0) v___fpclassify_float_~w~0_27))) (bvule v___fpclassify_float_~w~0_27 (_ bv4286578687 32)))) (exists ((v___fpclassify_float_~w~0_27 (_ BitVec 32))) (and (bvule v___fpclassify_float_~w~0_27 (_ bv2139095039 32)) (= |__fpclassify_float_#in~x| (fp ((_ extract 31 31) v___fpclassify_float_~w~0_27) ((_ extract 30 23) v___fpclassify_float_~w~0_27) ((_ extract 22 0) v___fpclassify_float_~w~0_27))) (bvuge v___fpclassify_float_~w~0_27 (_ bv8388608 32))))) (= (_ bv4 32) |__fpclassify_float_#res|)) (and (= (_ bv0 32) |__fpclassify_float_#res|) (exists ((v___fpclassify_float_~w~0_27 (_ BitVec 32))) (and (not (bvuge v___fpclassify_float_~w~0_27 (_ bv2147483649 32))) (= |__fpclassify_float_#in~x| (fp ((_ extract 31 31) v___fpclassify_float_~w~0_27) ((_ extract 30 23) v___fpclassify_float_~w~0_27) ((_ extract 22 0) v___fpclassify_float_~w~0_27))) (not (bvule v___fpclassify_float_~w~0_27 (_ bv2139095039 32))) (not (= (_ bv2139095040 32) v___fpclassify_float_~w~0_27)) (not (= (_ bv0 32) (bvadd (_ bv2147483648 32) v___fpclassify_float_~w~0_27))))))) [2024-11-09 00:43:07,248 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unable to backtranslate infinite floats [2024-11-09 00:43:07,250 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unable to backtranslate infinite floats [2024-11-09 00:43:07,250 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 00:43:07,250 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 00:43:07,251 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 00:43:07,251 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 00:43:07,251 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 00:43:07,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:43:07 ImpRootNode [2024-11-09 00:43:07,259 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:43:07,259 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:43:07,260 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:43:07,260 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:43:07,261 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:42:59" (3/4) ... [2024-11-09 00:43:07,265 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:43:07,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_float [2024-11-09 00:43:07,277 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2024-11-09 00:43:07,279 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-09 00:43:07,280 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:43:07,280 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:43:07,415 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:43:07,416 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:43:07,416 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:43:07,417 INFO L158 Benchmark]: Toolchain (without parser) took 9489.91ms. Allocated memory was 60.8MB in the beginning and 142.6MB in the end (delta: 81.8MB). Free memory was 36.7MB in the beginning and 107.3MB in the end (delta: -70.6MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-09 00:43:07,418 INFO L158 Benchmark]: CDTParser took 0.82ms. Allocated memory is still 60.8MB. Free memory was 36.6MB in the beginning and 36.5MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:43:07,419 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.50ms. Allocated memory was 60.8MB in the beginning and 96.5MB in the end (delta: 35.7MB). Free memory was 36.5MB in the beginning and 72.5MB in the end (delta: -36.0MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-11-09 00:43:07,421 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.93ms. Allocated memory is still 96.5MB. Free memory was 72.5MB in the beginning and 71.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:43:07,422 INFO L158 Benchmark]: Boogie Preprocessor took 42.28ms. Allocated memory is still 96.5MB. Free memory was 71.0MB in the beginning and 69.3MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:43:07,422 INFO L158 Benchmark]: RCFGBuilder took 718.18ms. Allocated memory is still 96.5MB. Free memory was 69.3MB in the beginning and 49.4MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 00:43:07,423 INFO L158 Benchmark]: CodeCheck took 8049.85ms. Allocated memory was 96.5MB in the beginning and 142.6MB in the end (delta: 46.1MB). Free memory was 49.4MB in the beginning and 111.5MB in the end (delta: -62.1MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2024-11-09 00:43:07,423 INFO L158 Benchmark]: Witness Printer took 157.24ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 107.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:43:07,428 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 2 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 204 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 122 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 162 IncrementalHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 115 mSDtfsCounter, 162 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 535 GetRequests, 502 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 66 ConstructedInterpolants, 2 QuantifiedInterpolants, 471 SizeOfPredicates, 8 NumberOfNonLiveVariables, 256 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 5/5 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: 72]: 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 - ProcedureContractResult [Line: 14]: Procedure Contract for __fpclassify_float Derived contract for procedure __fpclassify_float. Ensures: (((((((x == 0.0) || (0.0 == x)) && (2 == \result)) || (1 == \result)) || (3 == \result)) || (4 == \result)) || (0 == \result)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82ms. Allocated memory is still 60.8MB. Free memory was 36.6MB in the beginning and 36.5MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.50ms. Allocated memory was 60.8MB in the beginning and 96.5MB in the end (delta: 35.7MB). Free memory was 36.5MB in the beginning and 72.5MB in the end (delta: -36.0MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.93ms. Allocated memory is still 96.5MB. Free memory was 72.5MB in the beginning and 71.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.28ms. Allocated memory is still 96.5MB. Free memory was 71.0MB in the beginning and 69.3MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 718.18ms. Allocated memory is still 96.5MB. Free memory was 69.3MB in the beginning and 49.4MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 8049.85ms. Allocated memory was 96.5MB in the beginning and 142.6MB in the end (delta: 46.1MB). Free memory was 49.4MB in the beginning and 111.5MB in the end (delta: -62.1MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. * Witness Printer took 157.24ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 107.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unable to backtranslate infinite floats - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unable to backtranslate infinite floats - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression RESULT: Ultimate proved your program to be correct! [2024-11-09 00:43:07,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8575ad62-771e-442d-a0d8-55bbf6b2ffcc/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