./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0470.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0470.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e0354aec5a4f4371d364552f3633553fca009761fb9af21d0bd61e13bc971b74 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:27,070 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:27,198 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:07:27,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:07:27,206 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:07:27,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:27,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:07:27,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:07:27,238 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:27,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:27,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:27,241 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:27,241 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:27,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:07:27,243 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:27,243 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:27,244 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:27,245 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:27,245 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:27,246 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:27,246 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:27,249 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:27,250 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:27,250 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:27,251 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:27,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:27,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:27,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:27,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:27,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:07:27,254 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:07:27,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:07:27,255 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:07:27,255 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_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0354aec5a4f4371d364552f3633553fca009761fb9af21d0bd61e13bc971b74 [2023-11-19 04:07:27,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:27,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:27,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:27,656 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:27,657 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:27,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_0470.c [2023-11-19 04:07:31,573 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:31,839 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:31,839 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/sv-benchmarks/c/float-newlib/float_req_bl_0470.c [2023-11-19 04:07:31,851 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/data/e6c2394b3/aac687683f07481da91afe1f7ba381e6/FLAG5cedf8f58 [2023-11-19 04:07:31,870 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/data/e6c2394b3/aac687683f07481da91afe1f7ba381e6 [2023-11-19 04:07:31,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:31,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:31,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:31,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:31,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:31,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:31" (1/1) ... [2023-11-19 04:07:31,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21412732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:31, skipping insertion in model container [2023-11-19 04:07:31,887 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:31" (1/1) ... [2023-11-19 04:07:31,949 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:32,188 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/sv-benchmarks/c/float-newlib/float_req_bl_0470.c[4369,4382] [2023-11-19 04:07:32,194 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:32,210 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:07:32,260 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/sv-benchmarks/c/float-newlib/float_req_bl_0470.c[4369,4382] [2023-11-19 04:07:32,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:32,282 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:07:32,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:32 WrapperNode [2023-11-19 04:07:32,283 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:32,284 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:32,284 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:07:32,285 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:07:32,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:32" (1/1) ... [2023-11-19 04:07:32,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:32" (1/1) ... [2023-11-19 04:07:32,342 INFO L138 Inliner]: procedures = 18, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 134 [2023-11-19 04:07:32,343 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:32,344 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:07:32,344 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:07:32,344 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:07:32,356 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:32" (1/1) ... [2023-11-19 04:07:32,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:32" (1/1) ... [2023-11-19 04:07:32,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:32" (1/1) ... [2023-11-19 04:07:32,362 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:32" (1/1) ... [2023-11-19 04:07:32,377 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:32" (1/1) ... [2023-11-19 04:07:32,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:32" (1/1) ... [2023-11-19 04:07:32,386 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:32" (1/1) ... [2023-11-19 04:07:32,389 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:32" (1/1) ... [2023-11-19 04:07:32,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:07:32,395 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:07:32,395 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:07:32,396 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:07:32,397 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:32" (1/1) ... [2023-11-19 04:07:32,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:32,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:07:32,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:07:32,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:07:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:07:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:07:32,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:07:32,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 04:07:32,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:07:32,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 04:07:32,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:07:32,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:07:32,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:07:32,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:07:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2023-11-19 04:07:32,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2023-11-19 04:07:32,632 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:07:32,635 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:07:33,089 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:07:33,302 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:07:33,303 INFO L302 CfgBuilder]: Removed 12 assume(true) statements. [2023-11-19 04:07:33,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:33 BoogieIcfgContainer [2023-11-19 04:07:33,310 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:07:33,311 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:07:33,311 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:07:33,324 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:07:33,325 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:33" (1/1) ... [2023-11-19 04:07:33,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:07:33,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:33,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2023-11-19 04:07:33,407 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2023-11-19 04:07:33,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:07:33,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:33,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:33,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:33,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:33,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 41 states and 60 transitions. [2023-11-19 04:07:33,726 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2023-11-19 04:07:33,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:07:33,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:33,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:07:33,842 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:07:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:07:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:07:34,016 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:07:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:07:34,083 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 04:07:34,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:07:34 ImpRootNode [2023-11-19 04:07:34,148 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:07:34,149 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:07:34,149 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:07:34,149 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:07:34,150 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:33" (3/4) ... [2023-11-19 04:07:34,157 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:07:34,158 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:07:34,161 INFO L158 Benchmark]: Toolchain (without parser) took 2283.99ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 110.5MB in the beginning and 149.5MB in the end (delta: -38.9MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:34,162 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 155.2MB. Free memory was 103.1MB in the beginning and 103.0MB in the end (delta: 104.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:34,162 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.69ms. Allocated memory is still 155.2MB. Free memory was 110.5MB in the beginning and 97.1MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:07:34,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.78ms. Allocated memory is still 155.2MB. Free memory was 97.1MB in the beginning and 95.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:34,165 INFO L158 Benchmark]: Boogie Preprocessor took 50.57ms. Allocated memory is still 155.2MB. Free memory was 95.0MB in the beginning and 92.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:34,167 INFO L158 Benchmark]: RCFGBuilder took 914.54ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 92.9MB in the beginning and 172.7MB in the end (delta: -79.8MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2023-11-19 04:07:34,174 INFO L158 Benchmark]: CodeCheck took 836.97ms. Allocated memory is still 213.9MB. Free memory was 172.7MB in the beginning and 149.5MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:34,176 INFO L158 Benchmark]: Witness Printer took 9.99ms. Allocated memory is still 213.9MB. Free memory is still 149.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:34,186 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, 41 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, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 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, 10 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 50 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, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 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: 176]: 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 15, overapproximation of someUnaryDOUBLEoperation at line 89, overapproximation of someBinaryArithmeticFLOAToperation at line 108. Possible FailurePath: [L17] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L86-L93] static const float one_acos = 1.0000000000e+00, pi = 3.1415925026e+00, pio2_hi_acos = 1.5707962513e+00, pio2_lo_acos = 7.5497894159e-08, pS0_acos = 1.6666667163e-01, pS1_acos = -3.2556581497e-01, pS2_acos = 2.0121252537e-01, pS3_acos = -4.0055535734e-02, pS4_acos = 7.9153501429e-04, pS5_acos = 3.4793309169e-05, qS1_acos = -2.4033949375e+00, qS2_acos = 2.0209457874e+00, qS3_acos = -6.8828397989e-01, qS4_acos = 7.7038154006e-02; [L171] float x = 0.0f / 0.0f; [L172] CALL, EXPR __ieee754_acosf(x) [L96] float z, p, q, r, w, s, c, df; [L97] __int32_t hx, ix; VAL [\old(x)=2, one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L99] ieee_float_shape_type gf_u; [L100] EXPR gf_u.value = (x) [L101] EXPR gf_u.word [L101] EXPR (hx) = gf_u.word [L98-L102] { ieee_float_shape_type gf_u; gf_u.value = (x); (hx) = gf_u.word; } VAL [\old(x)=2, hx=1065353216, one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L103] ix = hx & 0x7fffffff VAL [\old(x)=2, hx=1065353216, ix=1065353216, one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L104] COND TRUE ix == 0x3f800000 [L105] COND TRUE hx > 0 [L106] return 0.0; VAL [\old(x)=2, \result=0, hx=1065353216, ix=1065353216, one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L172] RET, EXPR __ieee754_acosf(x) [L172] float res = __ieee754_acosf(x); [L175] CALL, EXPR isnan_float(res) [L15] return x != x; [L175] RET, EXPR isnan_float(res) [L175] COND TRUE !isnan_float(res) [L176] reach_error() VAL [one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, res=0, tiny_sqrt=1/1000000000000000000000000000000, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 155.2MB. Free memory was 103.1MB in the beginning and 103.0MB in the end (delta: 104.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.69ms. Allocated memory is still 155.2MB. Free memory was 110.5MB in the beginning and 97.1MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.78ms. Allocated memory is still 155.2MB. Free memory was 97.1MB in the beginning and 95.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.57ms. Allocated memory is still 155.2MB. Free memory was 95.0MB in the beginning and 92.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 914.54ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 92.9MB in the beginning and 172.7MB in the end (delta: -79.8MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * CodeCheck took 836.97ms. Allocated memory is still 213.9MB. Free memory was 172.7MB in the beginning and 149.5MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 9.99ms. Allocated memory is still 213.9MB. Free memory is still 149.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:07:34,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0470.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e0354aec5a4f4371d364552f3633553fca009761fb9af21d0bd61e13bc971b74 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:37,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:37,767 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 04:07:37,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:37,823 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:07:37,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:07:37,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:37,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:37,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:37,834 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:37,835 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:37,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:37,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:37,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:37,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:37,839 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:37,840 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:07:37,840 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:07:37,841 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:07:37,842 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:37,843 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:37,843 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:37,844 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:37,844 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:37,845 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:37,845 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:07:37,846 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:07:37,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:37,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:37,848 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:37,849 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:37,850 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:07:37,850 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:07:37,850 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:07:37,851 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:07:37,851 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:07:37,851 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:07:37,852 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0354aec5a4f4371d364552f3633553fca009761fb9af21d0bd61e13bc971b74 [2023-11-19 04:07:38,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:38,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:38,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:38,517 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:38,518 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:38,520 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_0470.c [2023-11-19 04:07:42,226 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:42,512 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:42,513 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/sv-benchmarks/c/float-newlib/float_req_bl_0470.c [2023-11-19 04:07:42,526 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/data/bc58df4ca/9f1870fadb134cfea7b2c84e9f58e294/FLAGc166fb881 [2023-11-19 04:07:42,543 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/data/bc58df4ca/9f1870fadb134cfea7b2c84e9f58e294 [2023-11-19 04:07:42,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:42,548 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:42,550 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:42,550 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:42,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:42,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:42" (1/1) ... [2023-11-19 04:07:42,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd4ef3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:42, skipping insertion in model container [2023-11-19 04:07:42,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:42" (1/1) ... [2023-11-19 04:07:42,595 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:42,882 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/sv-benchmarks/c/float-newlib/float_req_bl_0470.c[4369,4382] [2023-11-19 04:07:42,887 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:42,924 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:07:43,054 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/sv-benchmarks/c/float-newlib/float_req_bl_0470.c[4369,4382] [2023-11-19 04:07:43,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:43,093 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:07:43,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:43 WrapperNode [2023-11-19 04:07:43,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:43,096 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:43,096 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:07:43,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:07:43,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:43" (1/1) ... [2023-11-19 04:07:43,142 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:43" (1/1) ... [2023-11-19 04:07:43,191 INFO L138 Inliner]: procedures = 21, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 134 [2023-11-19 04:07:43,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:43,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:07:43,192 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:07:43,193 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:07:43,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:43" (1/1) ... [2023-11-19 04:07:43,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:43" (1/1) ... [2023-11-19 04:07:43,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:43" (1/1) ... [2023-11-19 04:07:43,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:43" (1/1) ... [2023-11-19 04:07:43,250 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:43" (1/1) ... [2023-11-19 04:07:43,273 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:43" (1/1) ... [2023-11-19 04:07:43,277 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:43" (1/1) ... [2023-11-19 04:07:43,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:43" (1/1) ... [2023-11-19 04:07:43,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:07:43,304 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:07:43,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:07:43,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:07:43,305 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:43" (1/1) ... [2023-11-19 04:07:43,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:43,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:07:43,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:07:43,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:07:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:07:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:07:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:07:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 04:07:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:07:43,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:07:43,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:07:43,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 04:07:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:07:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:07:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2023-11-19 04:07:43,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2023-11-19 04:07:43,591 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:07:43,600 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:08:27,129 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:08:27,263 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:08:27,264 INFO L302 CfgBuilder]: Removed 12 assume(true) statements. [2023-11-19 04:08:27,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:27 BoogieIcfgContainer [2023-11-19 04:08:27,269 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:08:27,271 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:08:27,271 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:08:27,283 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:08:27,283 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:27" (1/1) ... [2023-11-19 04:08:27,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:08:27,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:27,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2023-11-19 04:08:27,360 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2023-11-19 04:08:27,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:08:27,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:27,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:27,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:08:27,368 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:08:27,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 04:08:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:28,163 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:08:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:28,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:08:28,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:28,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:28,270 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 04:08:28,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1b061d-9a31-4ce4-a7de-aeafe3e4a26c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0