./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0470.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0470.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi --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 0d86a0e82a1dff7546e45854d499305117cc74a754be0317a46d6ee992dd8c94 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:02:40,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:40,738 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:02:40,747 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:02:40,748 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:02:40,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:40,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:02:40,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:02:40,790 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:40,791 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:40,792 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:40,793 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:02:40,794 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:02:40,797 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:02:40,798 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:02:40,799 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:40,800 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:02:40,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:40,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:02:40,808 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:02:40,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:02:40,809 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:40,810 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:40,810 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:40,811 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:40,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:40,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:40,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:40,813 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:40,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:02:40,814 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:02:40,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:02:40,816 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:02:40,817 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_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d86a0e82a1dff7546e45854d499305117cc74a754be0317a46d6ee992dd8c94 [2023-11-24 23:02:41,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:41,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:41,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:41,131 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:41,132 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:41,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/double_req_bl_0470.c [2023-11-24 23:02:44,263 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:44,565 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:44,565 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/sv-benchmarks/c/float-newlib/double_req_bl_0470.c [2023-11-24 23:02:44,576 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/data/dc8fe58ad/eb75a7b19f98465bbf76bc0b4a2fc8f7/FLAG5c95d43ac [2023-11-24 23:02:44,593 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/data/dc8fe58ad/eb75a7b19f98465bbf76bc0b4a2fc8f7 [2023-11-24 23:02:44,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:44,597 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:44,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:44,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:44,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:44,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:44" (1/1) ... [2023-11-24 23:02:44,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@166cafb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:44, skipping insertion in model container [2023-11-24 23:02:44,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:44" (1/1) ... [2023-11-24 23:02:44,641 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:44,902 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_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/sv-benchmarks/c/float-newlib/double_req_bl_0470.c[5751,5764] [2023-11-24 23:02:44,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:44,920 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:02:44,981 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_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/sv-benchmarks/c/float-newlib/double_req_bl_0470.c[5751,5764] [2023-11-24 23:02:44,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:45,000 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:02:45,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:45 WrapperNode [2023-11-24 23:02:45,001 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:45,002 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:45,002 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:02:45,002 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:02:45,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:45" (1/1) ... [2023-11-24 23:02:45,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:45" (1/1) ... [2023-11-24 23:02:45,061 INFO L138 Inliner]: procedures = 17, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 144 [2023-11-24 23:02:45,061 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:45,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:02:45,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:02:45,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:02:45,074 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:45" (1/1) ... [2023-11-24 23:02:45,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:45" (1/1) ... [2023-11-24 23:02:45,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:45" (1/1) ... [2023-11-24 23:02:45,081 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:45" (1/1) ... [2023-11-24 23:02:45,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:45" (1/1) ... [2023-11-24 23:02:45,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:45" (1/1) ... [2023-11-24 23:02:45,116 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:45" (1/1) ... [2023-11-24 23:02:45,119 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:45" (1/1) ... [2023-11-24 23:02:45,126 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:02:45,127 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:02:45,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:02:45,128 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:02:45,129 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:45" (1/1) ... [2023-11-24 23:02:45,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:45,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:02:45,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:02:45,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:02:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:02:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:02:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:02:45,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:02:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:02:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2023-11-24 23:02:45,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2023-11-24 23:02:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:02:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:02:45,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:02:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:02:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:02:45,417 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:45,420 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:46,235 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:46,762 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:02:46,762 INFO L309 CfgBuilder]: Removed 14 assume(true) statements. [2023-11-24 23:02:46,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:46 BoogieIcfgContainer [2023-11-24 23:02:46,765 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:02:46,767 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:02:46,768 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:02:46,785 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:02:46,785 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:46" (1/1) ... [2023-11-24 23:02:46,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:02:46,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:46,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 45 states and 69 transitions. [2023-11-24 23:02:46,869 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 69 transitions. [2023-11-24 23:02:46,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:02:46,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:46,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:47,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:47,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:47,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 66 transitions. [2023-11-24 23:02:47,114 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2023-11-24 23:02:47,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:02:47,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:47,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:47,212 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:02:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:47,349 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:02:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:47,406 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 23:02:47,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:02:47 ImpRootNode [2023-11-24 23:02:47,459 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:02:47,460 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:02:47,460 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:02:47,460 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:02:47,461 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:46" (3/4) ... [2023-11-24 23:02:47,466 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:02:47,467 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:02:47,468 INFO L158 Benchmark]: Toolchain (without parser) took 2870.57ms. Allocated memory is still 167.8MB. Free memory was 137.5MB in the beginning and 67.8MB in the end (delta: 69.7MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2023-11-24 23:02:47,469 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:47,470 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.11ms. Allocated memory is still 167.8MB. Free memory was 137.1MB in the beginning and 121.9MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:02:47,470 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.23ms. Allocated memory is still 167.8MB. Free memory was 121.9MB in the beginning and 119.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:47,472 INFO L158 Benchmark]: Boogie Preprocessor took 64.55ms. Allocated memory is still 167.8MB. Free memory was 119.8MB in the beginning and 117.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:02:47,473 INFO L158 Benchmark]: RCFGBuilder took 1637.63ms. Allocated memory is still 167.8MB. Free memory was 117.3MB in the beginning and 91.7MB in the end (delta: 25.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-11-24 23:02:47,474 INFO L158 Benchmark]: CodeCheck took 692.37ms. Allocated memory is still 167.8MB. Free memory was 91.7MB in the beginning and 67.8MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:47,480 INFO L158 Benchmark]: Witness Printer took 7.63ms. Allocated memory is still 167.8MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:47,488 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 231]: 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 someBinaryDOUBLEComparisonOperation at line 19, overapproximation of someUnaryDOUBLEoperation at line 138, overapproximation of someBinaryArithmeticDOUBLEoperation at line 174. Possible FailurePath: [L21] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L133-L146] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; [L226] double x = 0.0 / 0.0; [L227] CALL, EXPR __ieee754_acos(x) [L149] double z, p, q, r, w, s, c, df; [L150] __int32_t hx, ix; VAL [\old(x)=2, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] [L152] ieee_double_shape_type gh_u; [L153] EXPR gh_u.value = (x) [L154] EXPR gh_u.parts.msw [L154] EXPR (hx) = gh_u.parts.msw [L151-L155] { ieee_double_shape_type gh_u; gh_u.value = (x); (hx) = gh_u.parts.msw; } VAL [\old(x)=2, hx=0, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] [L156] ix = hx & 0x7fffffff VAL [\old(x)=2, hx=0, ix=0, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] [L157] COND FALSE !(ix >= 0x3ff00000) VAL [\old(x)=2, hx=0, ix=0, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] [L172] COND TRUE ix < 0x3fe00000 [L173] COND TRUE ix <= 0x3c600000 [L174] return pio2_hi_acos + pio2_lo_acos; VAL [\old(x)=2, hx=0, ix=0, one_acos=1, one_sqrt=1, p=8, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, q=6, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, r=7, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2, z=5] [L227] RET, EXPR __ieee754_acos(x) [L227] double res = __ieee754_acos(x); [L230] CALL, EXPR isnan_double(res) [L19] return x != x; [L230] RET, EXPR isnan_double(res) [L230] COND TRUE !isnan_double(res) [L231] reach_error() VAL [one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=9, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 402.11ms. Allocated memory is still 167.8MB. Free memory was 137.1MB in the beginning and 121.9MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.23ms. Allocated memory is still 167.8MB. Free memory was 121.9MB in the beginning and 119.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.55ms. Allocated memory is still 167.8MB. Free memory was 119.8MB in the beginning and 117.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1637.63ms. Allocated memory is still 167.8MB. Free memory was 117.3MB in the beginning and 91.7MB in the end (delta: 25.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * CodeCheck took 692.37ms. Allocated memory is still 167.8MB. Free memory was 91.7MB in the beginning and 67.8MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 7.63ms. Allocated memory is still 167.8MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:02:47,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/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_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0470.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi --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 0d86a0e82a1dff7546e45854d499305117cc74a754be0317a46d6ee992dd8c94 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:02:50,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:50,461 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:02:50,518 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:50,519 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:02:50,520 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:02:50,521 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:50,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:50,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:50,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:02:50,529 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:02:50,529 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:02:50,530 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:50,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:02:50,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:50,533 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:02:50,533 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:02:50,534 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:02:50,534 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:02:50,535 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:02:50,536 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:02:50,536 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:50,537 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:50,537 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:50,538 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:50,538 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:02:50,539 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:02:50,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:50,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:50,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:50,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:50,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:02:50,542 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:02:50,543 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:02:50,543 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:02:50,543 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:02:50,544 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:02:50,544 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_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d86a0e82a1dff7546e45854d499305117cc74a754be0317a46d6ee992dd8c94 [2023-11-24 23:02:50,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:51,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:51,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:51,021 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:51,022 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:51,024 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/double_req_bl_0470.c [2023-11-24 23:02:54,167 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:54,417 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:54,418 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/sv-benchmarks/c/float-newlib/double_req_bl_0470.c [2023-11-24 23:02:54,428 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/data/a4308eee9/205553e641794f3880b6be14ca14e7ae/FLAGada1a9aa8 [2023-11-24 23:02:54,444 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/data/a4308eee9/205553e641794f3880b6be14ca14e7ae [2023-11-24 23:02:54,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:54,448 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:54,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:54,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:54,455 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:54,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:54" (1/1) ... [2023-11-24 23:02:54,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45aeb9df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:54, skipping insertion in model container [2023-11-24 23:02:54,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:54" (1/1) ... [2023-11-24 23:02:54,491 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:54,827 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_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/sv-benchmarks/c/float-newlib/double_req_bl_0470.c[5751,5764] [2023-11-24 23:02:54,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:54,853 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:02:54,925 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_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/sv-benchmarks/c/float-newlib/double_req_bl_0470.c[5751,5764] [2023-11-24 23:02:54,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:54,959 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:02:54,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:54 WrapperNode [2023-11-24 23:02:54,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:54,961 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:54,961 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:02:54,961 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:02:54,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:54" (1/1) ... [2023-11-24 23:02:55,006 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:54" (1/1) ... [2023-11-24 23:02:55,055 INFO L138 Inliner]: procedures = 20, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 135 [2023-11-24 23:02:55,055 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:55,056 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:02:55,056 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:02:55,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:02:55,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:54" (1/1) ... [2023-11-24 23:02:55,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:54" (1/1) ... [2023-11-24 23:02:55,089 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:54" (1/1) ... [2023-11-24 23:02:55,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:54" (1/1) ... [2023-11-24 23:02:55,118 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:54" (1/1) ... [2023-11-24 23:02:55,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:54" (1/1) ... [2023-11-24 23:02:55,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:54" (1/1) ... [2023-11-24 23:02:55,143 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:54" (1/1) ... [2023-11-24 23:02:55,150 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:02:55,151 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:02:55,151 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:02:55,151 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:02:55,152 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:54" (1/1) ... [2023-11-24 23:02:55,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:55,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:02:55,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:02:55,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:02:55,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:02:55,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-24 23:02:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-24 23:02:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:02:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:02:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2023-11-24 23:02:55,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2023-11-24 23:02:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:02:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:02:55,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:02:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:02:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:02:55,500 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:55,503 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:03:49,445 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:03:49,654 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:03:49,654 INFO L309 CfgBuilder]: Removed 14 assume(true) statements. [2023-11-24 23:03:49,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:49 BoogieIcfgContainer [2023-11-24 23:03:49,656 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:03:49,657 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:03:49,658 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:03:49,668 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:03:49,669 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:49" (1/1) ... [2023-11-24 23:03:49,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:03:49,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:49,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2023-11-24 23:03:49,746 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2023-11-24 23:03:49,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:03:49,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:49,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:03:49,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:03:49,753 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:03:49,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:03:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:50,932 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:03:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:50,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:03:50,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:51,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:51,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ed5a6e0-c6b2-4e9c-a560-80ccd1f6f254/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0