./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0682b.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_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/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_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0682b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/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_1b859007-98b2-497f-ab9b-0f0a1fe81093/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 f8e6e5bf1bcaedac10c7d5f9fcc0d687e25ff80c8670d537fadb892f5e511879 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:06:48,601 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:06:48,718 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:06:48,731 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:06:48,732 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:06:48,764 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:06:48,765 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:06:48,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:06:48,767 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:06:48,768 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:06:48,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:06:48,769 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:06:48,770 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:06:48,771 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:06:48,771 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:06:48,772 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:06:48,773 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:06:48,774 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:06:48,774 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:06:48,775 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:06:48,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:06:48,777 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:06:48,777 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:06:48,778 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:06:48,779 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:06:48,779 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:06:48,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:48,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:06:48,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:06:48,790 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:06:48,790 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:06:48,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:06:48,791 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:06:48,792 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_1b859007-98b2-497f-ab9b-0f0a1fe81093/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8e6e5bf1bcaedac10c7d5f9fcc0d687e25ff80c8670d537fadb892f5e511879 [2023-11-19 04:06:49,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:06:49,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:06:49,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:06:49,227 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:06:49,229 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:06:49,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_0682b.c [2023-11-19 04:06:52,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:06:53,056 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:06:53,057 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/sv-benchmarks/c/float-newlib/float_req_bl_0682b.c [2023-11-19 04:06:53,069 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/data/c0d50be79/9fb4957c00db4d779a6acd08e839c743/FLAG52566cb57 [2023-11-19 04:06:53,085 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/data/c0d50be79/9fb4957c00db4d779a6acd08e839c743 [2023-11-19 04:06:53,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:06:53,090 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:06:53,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:53,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:06:53,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:06:53,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:53" (1/1) ... [2023-11-19 04:06:53,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3517b377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:53, skipping insertion in model container [2023-11-19 04:06:53,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:53" (1/1) ... [2023-11-19 04:06:53,154 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:53,398 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_1b859007-98b2-497f-ab9b-0f0a1fe81093/sv-benchmarks/c/float-newlib/float_req_bl_0682b.c[5566,5579] [2023-11-19 04:06:53,403 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:53,419 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:06:53,484 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_1b859007-98b2-497f-ab9b-0f0a1fe81093/sv-benchmarks/c/float-newlib/float_req_bl_0682b.c[5566,5579] [2023-11-19 04:06:53,485 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:53,511 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:06:53,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:53 WrapperNode [2023-11-19 04:06:53,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:53,513 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:53,513 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:06:53,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:06:53,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:53" (1/1) ... [2023-11-19 04:06:53,542 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:53" (1/1) ... [2023-11-19 04:06:53,585 INFO L138 Inliner]: procedures = 20, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 257 [2023-11-19 04:06:53,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:53,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:06:53,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:06:53,588 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:06:53,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:53" (1/1) ... [2023-11-19 04:06:53,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:53" (1/1) ... [2023-11-19 04:06:53,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:53" (1/1) ... [2023-11-19 04:06:53,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:53" (1/1) ... [2023-11-19 04:06:53,627 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:53" (1/1) ... [2023-11-19 04:06:53,635 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:53" (1/1) ... [2023-11-19 04:06:53,639 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:53" (1/1) ... [2023-11-19 04:06:53,642 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:53" (1/1) ... [2023-11-19 04:06:53,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:06:53,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:06:53,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:06:53,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:06:53,665 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:53" (1/1) ... [2023-11-19 04:06:53,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:53,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:06:53,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:06:53,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:06:53,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:06:53,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:06:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:06:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 04:06:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:06:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 04:06:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2023-11-19 04:06:53,770 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2023-11-19 04:06:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:06:53,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:06:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:06:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 04:06:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2023-11-19 04:06:53,772 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2023-11-19 04:06:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:06:53,900 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:06:53,903 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:06:54,572 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:06:54,769 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:06:54,771 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-19 04:06:54,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:54 BoogieIcfgContainer [2023-11-19 04:06:54,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:06:54,786 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:06:54,786 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:06:54,800 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:06:54,801 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:54" (1/1) ... [2023-11-19 04:06:54,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:06:54,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:54,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 72 states and 117 transitions. [2023-11-19 04:06:54,924 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 117 transitions. [2023-11-19 04:06:54,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:06:54,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:54,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:55,163 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 04:06:55,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:55,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 72 states and 110 transitions. [2023-11-19 04:06:55,222 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 110 transitions. [2023-11-19 04:06:55,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:06:55,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:55,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:06:55,394 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:06:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:06:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:06:55,634 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:06:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:06:55,713 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 04:06:55,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:06:55 ImpRootNode [2023-11-19 04:06:55,768 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:06:55,769 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:06:55,770 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:06:55,770 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:06:55,771 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:54" (3/4) ... [2023-11-19 04:06:55,777 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:06:55,779 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:06:55,780 INFO L158 Benchmark]: Toolchain (without parser) took 2689.80ms. Allocated memory is still 174.1MB. Free memory was 143.1MB in the beginning and 77.8MB in the end (delta: 65.3MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2023-11-19 04:06:55,781 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 130.0MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:55,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.54ms. Allocated memory is still 174.1MB. Free memory was 142.9MB in the beginning and 134.0MB in the end (delta: 8.9MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2023-11-19 04:06:55,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.22ms. Allocated memory is still 174.1MB. Free memory was 134.0MB in the beginning and 131.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:06:55,785 INFO L158 Benchmark]: Boogie Preprocessor took 61.88ms. Allocated memory is still 174.1MB. Free memory was 131.1MB in the beginning and 129.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:06:55,786 INFO L158 Benchmark]: RCFGBuilder took 1134.45ms. Allocated memory is still 174.1MB. Free memory was 129.0MB in the beginning and 113.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:06:55,787 INFO L158 Benchmark]: CodeCheck took 983.02ms. Allocated memory is still 174.1MB. Free memory was 113.8MB in the beginning and 78.2MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 04:06:55,794 INFO L158 Benchmark]: Witness Printer took 9.56ms. Allocated memory is still 174.1MB. Free memory was 78.2MB in the beginning and 77.8MB in the end (delta: 408.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:55,803 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 3 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 54 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 32 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, 32 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 111 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, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 244]: 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 243, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L236] float x = -1.0f / 0.0f; [L237] float y = __VERIFIER_nondet_float(); [L239] CALL, EXPR isfinite_float(y) [L219] __int32_t ix; VAL [\old(x)=4, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=4, zero_atan2=0] [L221] ieee_float_shape_type gf_u; [L222] EXPR gf_u.value = (x) [L223] EXPR gf_u.word [L223] EXPR (ix) = gf_u.word [L220-L224] { ieee_float_shape_type gf_u; gf_u.value = (x); (ix) = gf_u.word; } VAL [\old(x)=4, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, ix=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=4, zero_atan2=0] [L225] ix &= 0x7fffffff [L226] return (((ix) < 0x7f800000L)); [L239] RET, EXPR isfinite_float(y) [L239] COND TRUE isfinite_float(y) && y > 0.0f [L240] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=5, \old(y)=4, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=5, y=4, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] EXPR gf_u.value = (x) [L127] EXPR gf_u.word [L127] EXPR (hx) = gf_u.word [L124-L128] { ieee_float_shape_type gf_u; gf_u.value = (x); (hx) = gf_u.word; } VAL [\old(x)=5, \old(y)=4, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=5, y=4, zero_atan2=0] [L129] ix = hx & 0x7fffffff VAL [\old(x)=5, \old(y)=4, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=0, ix=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=5, y=4, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] EXPR gf_u.value = (y) [L133] EXPR gf_u.word [L133] EXPR (hy) = gf_u.word [L130-L134] { ieee_float_shape_type gf_u; gf_u.value = (y); (hy) = gf_u.word; } VAL [\old(x)=5, \old(y)=4, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=0, hy=2139095041, ix=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=5, y=4, zero_atan2=0] [L135] iy = hy & 0x7fffffff VAL [\old(x)=5, \old(y)=4, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=0, hy=2139095041, ix=0, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=5, y=4, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [\old(x)=5, \old(y)=4, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=0, hy=2139095041, ix=0, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=5, y=4, zero_atan2=0] [L240] RET, EXPR __ieee754_atan2f(y, x) [L240] float res = __ieee754_atan2f(y, x); [L243] COND TRUE res != pi VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=11, tiny_atan2=1/1000000000000000000000000000000, x=5, y=4, zero_atan2=0] [L244] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=11, tiny_atan2=1/1000000000000000000000000000000, x=5, y=4, zero_atan2=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 130.0MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 420.54ms. Allocated memory is still 174.1MB. Free memory was 142.9MB in the beginning and 134.0MB in the end (delta: 8.9MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.22ms. Allocated memory is still 174.1MB. Free memory was 134.0MB in the beginning and 131.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.88ms. Allocated memory is still 174.1MB. Free memory was 131.1MB in the beginning and 129.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1134.45ms. Allocated memory is still 174.1MB. Free memory was 129.0MB in the beginning and 113.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 983.02ms. Allocated memory is still 174.1MB. Free memory was 113.8MB in the beginning and 78.2MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 9.56ms. Allocated memory is still 174.1MB. Free memory was 78.2MB in the beginning and 77.8MB in the end (delta: 408.8kB). 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 04:06:55,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/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_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/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_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0682b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/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_1b859007-98b2-497f-ab9b-0f0a1fe81093/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 f8e6e5bf1bcaedac10c7d5f9fcc0d687e25ff80c8670d537fadb892f5e511879 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:06:58,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:06:59,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 04:06:59,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:06:59,183 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:06:59,184 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:06:59,185 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:06:59,186 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:06:59,188 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:06:59,194 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:06:59,194 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:06:59,195 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:06:59,195 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:06:59,197 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:06:59,198 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:06:59,198 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:06:59,199 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:06:59,199 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:06:59,200 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:06:59,200 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:06:59,200 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:06:59,201 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:06:59,202 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:06:59,202 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:06:59,203 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:06:59,203 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:06:59,204 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:06:59,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:06:59,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:59,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:06:59,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:06:59,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:06:59,208 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:06:59,208 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:06:59,209 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:06:59,209 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:06:59,209 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:06:59,209 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_1b859007-98b2-497f-ab9b-0f0a1fe81093/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8e6e5bf1bcaedac10c7d5f9fcc0d687e25ff80c8670d537fadb892f5e511879 [2023-11-19 04:06:59,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:06:59,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:06:59,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:06:59,820 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:06:59,821 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:06:59,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_0682b.c [2023-11-19 04:07:03,671 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:04,029 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:04,030 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/sv-benchmarks/c/float-newlib/float_req_bl_0682b.c [2023-11-19 04:07:04,052 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/data/070b9db5e/59e83c9d72fd4af8a46b78fb55ab2d2b/FLAG0c779965b [2023-11-19 04:07:04,069 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/data/070b9db5e/59e83c9d72fd4af8a46b78fb55ab2d2b [2023-11-19 04:07:04,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:04,074 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:04,076 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:04,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:04,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:04,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:04" (1/1) ... [2023-11-19 04:07:04,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5031a815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:04, skipping insertion in model container [2023-11-19 04:07:04,084 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:04" (1/1) ... [2023-11-19 04:07:04,124 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:04,504 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_1b859007-98b2-497f-ab9b-0f0a1fe81093/sv-benchmarks/c/float-newlib/float_req_bl_0682b.c[5566,5579] [2023-11-19 04:07:04,521 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:04,555 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:07:04,650 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_1b859007-98b2-497f-ab9b-0f0a1fe81093/sv-benchmarks/c/float-newlib/float_req_bl_0682b.c[5566,5579] [2023-11-19 04:07:04,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:04,695 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:07:04,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:04 WrapperNode [2023-11-19 04:07:04,696 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:04,698 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:04,698 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:07:04,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:07:04,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:04" (1/1) ... [2023-11-19 04:07:04,744 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:04" (1/1) ... [2023-11-19 04:07:04,812 INFO L138 Inliner]: procedures = 23, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 237 [2023-11-19 04:07:04,815 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:04,816 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:07:04,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:07:04,816 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:07:04,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:04" (1/1) ... [2023-11-19 04:07:04,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:04" (1/1) ... [2023-11-19 04:07:04,857 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:04" (1/1) ... [2023-11-19 04:07:04,858 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:04" (1/1) ... [2023-11-19 04:07:04,881 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:04" (1/1) ... [2023-11-19 04:07:04,888 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:04" (1/1) ... [2023-11-19 04:07:04,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:04" (1/1) ... [2023-11-19 04:07:04,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:04" (1/1) ... [2023-11-19 04:07:04,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:07:04,979 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:07:04,979 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:07:04,979 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:07:04,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:04" (1/1) ... [2023-11-19 04:07:04,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:05,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:07:05,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:07:05,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:07:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:07:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-19 04:07:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:07:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:07:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 04:07:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2023-11-19 04:07:05,110 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2023-11-19 04:07:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:07:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:07:05,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:07:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 04:07:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2023-11-19 04:07:05,112 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2023-11-19 04:07:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:07:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:07:05,243 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:07:05,246 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:07:37,365 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:07:37,496 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:07:37,496 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-19 04:07:37,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:37 BoogieIcfgContainer [2023-11-19 04:07:37,503 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:07:37,504 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:07:37,505 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:07:37,517 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:07:37,518 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:37" (1/1) ... [2023-11-19 04:07:37,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:07:37,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:37,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 72 states and 117 transitions. [2023-11-19 04:07:37,601 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 117 transitions. [2023-11-19 04:07:37,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:07:37,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:37,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:07:37,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:07:37,641 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:07:37,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 04:07:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:39,046 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:07:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:39,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:07:39,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:39,245 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 04:07:39,253 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 04:07:39,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:07:40,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:40,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 72 states and 110 transitions. [2023-11-19 04:07:40,205 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 110 transitions. [2023-11-19 04:07:40,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:07:40,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:40,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:07:40,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:07:40,213 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:07:40,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 04:07:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:43,628 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:07:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:43,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 04:07:43,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:44,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 04:07:45,680 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2023-11-19 04:07:45,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 35 [2023-11-19 04:07:46,789 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:07:46,791 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2023-11-19 04:07:46,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2023-11-19 04:07:48,023 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 04:07:48,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b859007-98b2-497f-ab9b-0f0a1fe81093/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0