./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0921.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/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_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0921.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/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_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/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 e738debe116f53547f4d856a26a196b1ac73097502894c4fa34f78b8e888418f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:54:43,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:54:43,242 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:54:43,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:54:43,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:54:43,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:54:43,289 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:54:43,290 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:54:43,291 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:54:43,296 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:54:43,298 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:54:43,298 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:54:43,299 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:54:43,300 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:54:43,301 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:54:43,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:54:43,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:54:43,302 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:54:43,303 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:54:43,303 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:54:43,304 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:54:43,304 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:54:43,305 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:54:43,305 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:54:43,306 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:54:43,307 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:54:43,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:43,308 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:54:43,308 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:54:43,309 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:54:43,310 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:54:43,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:54:43,310 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:54:43,311 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_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e738debe116f53547f4d856a26a196b1ac73097502894c4fa34f78b8e888418f [2023-11-19 02:54:43,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:54:43,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:54:43,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:54:43,649 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:54:43,650 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:54:43,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_0921.c [2023-11-19 02:54:46,816 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:54:47,157 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:54:47,159 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/sv-benchmarks/c/float-newlib/float_req_bl_0921.c [2023-11-19 02:54:47,172 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/bin/ukojak-verify-G8NBE6pJGL/data/88a0b61a2/0c2f305092ec4d25b95a208975ac6fa7/FLAG42f8141e2 [2023-11-19 02:54:47,194 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/bin/ukojak-verify-G8NBE6pJGL/data/88a0b61a2/0c2f305092ec4d25b95a208975ac6fa7 [2023-11-19 02:54:47,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:54:47,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:54:47,208 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:47,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:54:47,214 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:54:47,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:47" (1/1) ... [2023-11-19 02:54:47,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3917d640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:47, skipping insertion in model container [2023-11-19 02:54:47,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:47" (1/1) ... [2023-11-19 02:54:47,268 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:54:47,496 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_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/sv-benchmarks/c/float-newlib/float_req_bl_0921.c[3212,3225] [2023-11-19 02:54:47,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:47,515 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:54:47,560 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_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/sv-benchmarks/c/float-newlib/float_req_bl_0921.c[3212,3225] [2023-11-19 02:54:47,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:47,593 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:54:47,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:47 WrapperNode [2023-11-19 02:54:47,594 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:47,595 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:47,595 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:54:47,596 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:54:47,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:47" (1/1) ... [2023-11-19 02:54:47,634 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:47" (1/1) ... [2023-11-19 02:54:47,668 INFO L138 Inliner]: procedures = 18, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 186 [2023-11-19 02:54:47,669 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:47,669 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:54:47,670 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:54:47,670 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:54:47,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:47" (1/1) ... [2023-11-19 02:54:47,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:47" (1/1) ... [2023-11-19 02:54:47,686 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:47" (1/1) ... [2023-11-19 02:54:47,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:47" (1/1) ... [2023-11-19 02:54:47,698 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:47" (1/1) ... [2023-11-19 02:54:47,704 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:47" (1/1) ... [2023-11-19 02:54:47,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:47" (1/1) ... [2023-11-19 02:54:47,713 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:47" (1/1) ... [2023-11-19 02:54:47,717 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:54:47,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:54:47,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:54:47,725 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:54:47,727 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:47" (1/1) ... [2023-11-19 02:54:47,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:47,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:54:47,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:54:47,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:54:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:54:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:54:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:54:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 02:54:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:54:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 02:54:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:54:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:54:47,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:54:47,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:54:47,912 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:54:47,916 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:54:48,240 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:54:48,495 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:54:48,496 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 02:54:48,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:48 BoogieIcfgContainer [2023-11-19 02:54:48,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:54:48,503 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:54:48,503 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:54:48,516 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:54:48,516 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:48" (1/1) ... [2023-11-19 02:54:48,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:54:48,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:48,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-19 02:54:48,613 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-19 02:54:48,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:54:48,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:48,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:48,871 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 02:54:48,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:48,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-11-19 02:54:48,933 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-11-19 02:54:48,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:54:48,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:48,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:54:48,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:54:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:54:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:54:49,230 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:54:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:54:49,296 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 02:54:49,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:54:49 ImpRootNode [2023-11-19 02:54:49,345 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:54:49,345 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:54:49,346 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:54:49,346 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:54:49,346 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:48" (3/4) ... [2023-11-19 02:54:49,351 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:54:49,353 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:54:49,354 INFO L158 Benchmark]: Toolchain (without parser) took 2149.99ms. Allocated memory is still 165.7MB. Free memory was 134.8MB in the beginning and 128.8MB in the end (delta: 6.0MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2023-11-19 02:54:49,355 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory was 71.4MB in the beginning and 71.2MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:54:49,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.38ms. Allocated memory is still 165.7MB. Free memory was 134.8MB in the beginning and 122.0MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:54:49,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.77ms. Allocated memory is still 165.7MB. Free memory was 122.0MB in the beginning and 120.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:54:49,358 INFO L158 Benchmark]: Boogie Preprocessor took 48.03ms. Allocated memory is still 165.7MB. Free memory was 120.0MB in the beginning and 118.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:54:49,359 INFO L158 Benchmark]: RCFGBuilder took 777.49ms. Allocated memory is still 165.7MB. Free memory was 118.4MB in the beginning and 84.9MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 02:54:49,360 INFO L158 Benchmark]: CodeCheck took 842.02ms. Allocated memory is still 165.7MB. Free memory was 84.9MB in the beginning and 129.8MB in the end (delta: -44.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:54:49,366 INFO L158 Benchmark]: Witness Printer took 7.43ms. Allocated memory is still 165.7MB. Free memory was 129.8MB in the beginning and 128.8MB in the end (delta: 947.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:54:49,374 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 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, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 48 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: 126]: 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 113, overapproximation of someBinaryArithmeticFLOAToperation at line 46. Possible FailurePath: [L26-L30] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L32] static const float zero_log = 0.0; [L121] float x = 0.0f / 0.0f; [L122] CALL, EXPR __ieee754_logf(x) [L35] float hfsq, f, s, z, R, w, t1, t2, dk; [L36] __int32_t k, ix, i, j; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, \old(x)=2, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=2, zero_log=0] [L39] ieee_float_shape_type gf_u; [L40] EXPR gf_u.value = (x) [L41] EXPR gf_u.word [L41] EXPR (ix) = gf_u.word [L38-L42] { ieee_float_shape_type gf_u; gf_u.value = (x); (ix) = gf_u.word; } VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, \old(x)=2, ix=0, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=2, zero_log=0] [L44] k = 0 VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, \old(x)=2, ix=0, k=0, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=2, zero_log=0] [L45] COND TRUE ((ix & 0x7fffffff) == 0) [L46] return -two25_log / zero_log; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, \old(x)=2, ix=0, k=0, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=2, zero_log=0] [L122] RET, EXPR __ieee754_logf(x) [L122] float res = __ieee754_logf(x); [L125] CALL, EXPR isnan_float(res) [L113] return x != x; [L125] RET, EXPR isnan_float(res) [L125] COND TRUE !isnan_float(res) [L126] reach_error() VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, res=5, two25_log=33554432, x=2, zero_log=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory was 71.4MB in the beginning and 71.2MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.38ms. Allocated memory is still 165.7MB. Free memory was 134.8MB in the beginning and 122.0MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.77ms. Allocated memory is still 165.7MB. Free memory was 122.0MB in the beginning and 120.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.03ms. Allocated memory is still 165.7MB. Free memory was 120.0MB in the beginning and 118.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 777.49ms. Allocated memory is still 165.7MB. Free memory was 118.4MB in the beginning and 84.9MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 842.02ms. Allocated memory is still 165.7MB. Free memory was 84.9MB in the beginning and 129.8MB in the end (delta: -44.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.43ms. Allocated memory is still 165.7MB. Free memory was 129.8MB in the beginning and 128.8MB in the end (delta: 947.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:54:49,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/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_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0921.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/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_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/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 e738debe116f53547f4d856a26a196b1ac73097502894c4fa34f78b8e888418f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:54:52,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:54:52,576 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:54:52,640 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:54:52,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:54:52,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:54:52,644 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:54:52,645 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:54:52,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:54:52,652 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:54:52,653 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:54:52,654 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:54:52,654 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:54:52,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:54:52,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:54:52,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:54:52,658 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:54:52,659 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:54:52,659 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:54:52,661 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:54:52,661 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:54:52,662 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:54:52,663 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:54:52,663 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:54:52,664 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:54:52,664 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:54:52,665 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:54:52,666 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:54:52,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:52,667 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:54:52,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:54:52,669 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:54:52,669 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:54:52,670 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:54:52,670 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:54:52,671 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:54:52,671 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:54:52,671 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_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e738debe116f53547f4d856a26a196b1ac73097502894c4fa34f78b8e888418f [2023-11-19 02:54:53,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:54:53,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:54:53,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:54:53,220 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:54:53,220 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:54:53,222 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_0921.c [2023-11-19 02:54:56,656 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:54:56,914 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:54:56,915 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/sv-benchmarks/c/float-newlib/float_req_bl_0921.c [2023-11-19 02:54:56,923 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/bin/ukojak-verify-G8NBE6pJGL/data/69e6ee871/84edf74ae8184a58b2c3ede22b54393f/FLAG21119074e [2023-11-19 02:54:56,938 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/bin/ukojak-verify-G8NBE6pJGL/data/69e6ee871/84edf74ae8184a58b2c3ede22b54393f [2023-11-19 02:54:56,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:54:56,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:54:56,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:56,945 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:54:56,950 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:54:56,951 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:56" (1/1) ... [2023-11-19 02:54:56,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c2874b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:56, skipping insertion in model container [2023-11-19 02:54:56,953 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:56" (1/1) ... [2023-11-19 02:54:56,982 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:54:57,191 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_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/sv-benchmarks/c/float-newlib/float_req_bl_0921.c[3212,3225] [2023-11-19 02:54:57,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:57,215 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:54:57,257 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_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/sv-benchmarks/c/float-newlib/float_req_bl_0921.c[3212,3225] [2023-11-19 02:54:57,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:57,278 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:54:57,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:57 WrapperNode [2023-11-19 02:54:57,279 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:57,280 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:57,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:54:57,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:54:57,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:57" (1/1) ... [2023-11-19 02:54:57,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:57" (1/1) ... [2023-11-19 02:54:57,332 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 142 [2023-11-19 02:54:57,332 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:57,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:54:57,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:54:57,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:54:57,343 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:57" (1/1) ... [2023-11-19 02:54:57,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:57" (1/1) ... [2023-11-19 02:54:57,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:57" (1/1) ... [2023-11-19 02:54:57,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:57" (1/1) ... [2023-11-19 02:54:57,361 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:57" (1/1) ... [2023-11-19 02:54:57,365 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:57" (1/1) ... [2023-11-19 02:54:57,369 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:57" (1/1) ... [2023-11-19 02:54:57,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:57" (1/1) ... [2023-11-19 02:54:57,376 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:54:57,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:54:57,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:54:57,378 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:54:57,379 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:57" (1/1) ... [2023-11-19 02:54:57,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:57,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:54:57,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:54:57,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:54:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:54:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:54:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:54:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 02:54:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:54:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:54:57,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:54:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 02:54:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:54:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:54:57,573 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:54:57,576 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:55:53,419 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:55:53,505 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:55:53,505 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 02:55:53,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:53 BoogieIcfgContainer [2023-11-19 02:55:53,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:55:53,512 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:55:53,512 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:55:53,525 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:55:53,525 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:53" (1/1) ... [2023-11-19 02:55:53,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:55:53,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:53,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-19 02:55:53,600 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-19 02:55:53,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:55:53,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:53,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:55:53,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:55:53,605 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:55:53,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7ebdafb-96f6-463d-84a4-44f83c7b2cae/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process