./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0610.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0610.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9 --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 25249e4a5dfcdfed2078f190bfb36f4672db41bdb03e03d1de22de138ec215e0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:11:58,839 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:11:58,910 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:11:58,915 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:11:58,916 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:11:58,938 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:11:58,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:11:58,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:11:58,940 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:11:58,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:11:58,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:11:58,942 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:11:58,942 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:11:58,943 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:11:58,943 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:11:58,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:11:58,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:11:58,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:11:58,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:11:58,945 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:11:58,946 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:11:58,946 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:11:58,947 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:11:58,947 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:11:58,948 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:11:58,948 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:11:58,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:11:58,949 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:11:58,949 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:11:58,949 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:11:58,950 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:11:58,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:11:58,950 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:11:58,950 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_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25249e4a5dfcdfed2078f190bfb36f4672db41bdb03e03d1de22de138ec215e0 [2023-12-03 01:11:59,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:11:59,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:11:59,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:11:59,216 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:11:59,216 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:11:59,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_0610.c [2023-12-03 01:12:01,933 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:12:02,093 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:12:02,093 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/sv-benchmarks/c/float-newlib/float_req_bl_0610.c [2023-12-03 01:12:02,099 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/data/faf5215d7/42df3f04147543f5b1db7288d1d949de/FLAGa77f851b8 [2023-12-03 01:12:02,111 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/data/faf5215d7/42df3f04147543f5b1db7288d1d949de [2023-12-03 01:12:02,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:12:02,114 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:12:02,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:12:02,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:12:02,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:12:02,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:12:02" (1/1) ... [2023-12-03 01:12:02,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35776fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:02, skipping insertion in model container [2023-12-03 01:12:02,121 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:12:02" (1/1) ... [2023-12-03 01:12:02,146 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:12:02,328 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_6c3627d7-6fb3-4f89-86f8-28f8704c311f/sv-benchmarks/c/float-newlib/float_req_bl_0610.c[3190,3203] [2023-12-03 01:12:02,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:12:02,348 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:12:02,385 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_6c3627d7-6fb3-4f89-86f8-28f8704c311f/sv-benchmarks/c/float-newlib/float_req_bl_0610.c[3190,3203] [2023-12-03 01:12:02,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:12:02,403 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:12:02,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:02 WrapperNode [2023-12-03 01:12:02,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:12:02,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:12:02,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:12:02,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:12:02,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:02" (1/1) ... [2023-12-03 01:12:02,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:02" (1/1) ... [2023-12-03 01:12:02,447 INFO L138 Inliner]: procedures = 19, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 179 [2023-12-03 01:12:02,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:12:02,448 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:12:02,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:12:02,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:12:02,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:02" (1/1) ... [2023-12-03 01:12:02,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:02" (1/1) ... [2023-12-03 01:12:02,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:02" (1/1) ... [2023-12-03 01:12:02,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:02" (1/1) ... [2023-12-03 01:12:02,470 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:02" (1/1) ... [2023-12-03 01:12:02,473 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:02" (1/1) ... [2023-12-03 01:12:02,474 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:02" (1/1) ... [2023-12-03 01:12:02,475 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:02" (1/1) ... [2023-12-03 01:12:02,477 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:12:02,478 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:12:02,478 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:12:02,478 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:12:02,479 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:02" (1/1) ... [2023-12-03 01:12:02,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:12:02,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:12:02,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:12:02,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:12:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:12:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:12:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:12:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-03 01:12:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:12:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-03 01:12:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:12:02,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:12:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:12:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-03 01:12:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:12:02,614 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:12:02,616 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:12:02,809 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:12:02,865 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:12:02,866 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-03 01:12:02,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:12:02 BoogieIcfgContainer [2023-12-03 01:12:02,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:12:02,869 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:12:02,869 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:12:02,879 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:12:02,880 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:12:02" (1/1) ... [2023-12-03 01:12:02,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:12:02,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:02,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2023-12-03 01:12:02,945 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2023-12-03 01:12:02,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:12:02,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:02,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:12:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:03,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:12:03,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:03,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2023-12-03 01:12:03,151 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-12-03 01:12:03,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:12:03,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:03,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:12:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:12:03,207 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:12:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:12:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:12:03,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:12:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:12:03,371 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 01:12:03,397 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-12-03 01:12:03,398 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated [2023-12-03 01:12:03,399 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-12-03 01:12:03,399 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2023-12-03 01:12:03,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:12:03 ImpRootNode [2023-12-03 01:12:03,404 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:12:03,405 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:12:03,405 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:12:03,405 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:12:03,406 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:12:02" (3/4) ... [2023-12-03 01:12:03,408 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:12:03,409 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:12:03,410 INFO L158 Benchmark]: Toolchain (without parser) took 1295.46ms. Allocated memory is still 159.4MB. Free memory was 120.9MB in the beginning and 75.9MB in the end (delta: 44.9MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2023-12-03 01:12:03,410 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:12:03,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.24ms. Allocated memory is still 159.4MB. Free memory was 120.9MB in the beginning and 128.3MB in the end (delta: -7.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:12:03,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.82ms. Allocated memory is still 159.4MB. Free memory was 128.3MB in the beginning and 126.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:12:03,412 INFO L158 Benchmark]: Boogie Preprocessor took 29.11ms. Allocated memory is still 159.4MB. Free memory was 126.3MB in the beginning and 124.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:12:03,413 INFO L158 Benchmark]: RCFGBuilder took 389.57ms. Allocated memory is still 159.4MB. Free memory was 124.2MB in the beginning and 104.6MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 01:12:03,414 INFO L158 Benchmark]: CodeCheck took 535.70ms. Allocated memory is still 159.4MB. Free memory was 104.6MB in the beginning and 76.7MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-03 01:12:03,414 INFO L158 Benchmark]: Witness Printer took 4.26ms. Allocated memory is still 159.4MB. Free memory was 76.7MB in the beginning and 75.9MB in the end (delta: 733.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:12:03,418 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 8 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, 8 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 134]: 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 17, overapproximation of someUnaryDOUBLEoperation at line 49, overapproximation of someBinaryArithmeticFLOAToperation at line 70. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L34-L39] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L41-L46] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L48-L52] 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, }; [L54-L56] 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; [L129] float x = 0.0f / 0.0f; [L130] CALL, EXPR atan_float(x) [L59] float w, s1, s2, z; [L60] __int32_t ix, hx, id; VAL [\old(x)=2, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=2] [L63] ieee_float_shape_type gf_u; [L64] EXPR gf_u.value = (x) [L65] EXPR gf_u.word [L65] EXPR (hx) = gf_u.word [L62-L66] { ieee_float_shape_type gf_u; gf_u.value = (x); (hx) = gf_u.word; } VAL [\old(x)=2, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=2] [L67] ix = hx & 0x7fffffff VAL [\old(x)=2, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=2139095041, ix=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=2] [L68] COND TRUE ix >= 0x50800000 [L69] COND TRUE ((ix) > 0x7f800000L) [L70] return x + x; VAL [\old(x)=2, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=2139095041, ix=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=2] [L130] RET, EXPR atan_float(x) [L130] float res = atan_float(x); [L133] CALL, EXPR isnan_float(res) [L17] return x != x; [L133] RET, EXPR isnan_float(res) [L133] COND TRUE !isnan_float(res) [L134] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=12, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.24ms. Allocated memory is still 159.4MB. Free memory was 120.9MB in the beginning and 128.3MB in the end (delta: -7.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.82ms. Allocated memory is still 159.4MB. Free memory was 128.3MB in the beginning and 126.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.11ms. Allocated memory is still 159.4MB. Free memory was 126.3MB in the beginning and 124.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 389.57ms. Allocated memory is still 159.4MB. Free memory was 124.2MB in the beginning and 104.6MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 535.70ms. Allocated memory is still 159.4MB. Free memory was 104.6MB in the beginning and 76.7MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 4.26ms. Allocated memory is still 159.4MB. Free memory was 76.7MB in the beginning and 75.9MB in the end (delta: 733.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 01:12:03,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0610.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9 --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 25249e4a5dfcdfed2078f190bfb36f4672db41bdb03e03d1de22de138ec215e0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:12:05,317 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:12:05,397 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:12:05,430 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:12:05,431 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:12:05,432 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:12:05,433 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:12:05,433 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:12:05,434 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:12:05,434 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:12:05,435 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:12:05,435 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:12:05,436 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:12:05,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:12:05,437 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:12:05,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:12:05,438 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:12:05,439 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:12:05,439 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:12:05,440 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:12:05,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:12:05,441 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:12:05,441 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:12:05,442 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:12:05,442 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:12:05,443 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:05,443 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:12:05,444 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:12:05,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:12:05,445 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:12:05,445 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:12:05,446 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:12:05,446 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:12:05,446 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:05,447 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:12:05,447 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:12:05,447 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:12:05,447 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_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25249e4a5dfcdfed2078f190bfb36f4672db41bdb03e03d1de22de138ec215e0 [2023-12-03 01:12:05,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:12:05,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:12:05,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:12:05,767 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:12:05,768 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:12:05,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_0610.c [2023-12-03 01:12:08,508 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:12:08,730 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:12:08,730 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/sv-benchmarks/c/float-newlib/float_req_bl_0610.c [2023-12-03 01:12:08,738 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/data/295baeb0c/1d2c1424e2af4bf3bfeb4ed7442c7c74/FLAG5ca372fb1 [2023-12-03 01:12:08,750 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/data/295baeb0c/1d2c1424e2af4bf3bfeb4ed7442c7c74 [2023-12-03 01:12:08,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:12:08,753 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:12:08,755 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:12:08,755 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:12:08,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:12:08,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:12:08" (1/1) ... [2023-12-03 01:12:08,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ab3b46c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:08, skipping insertion in model container [2023-12-03 01:12:08,760 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:12:08" (1/1) ... [2023-12-03 01:12:08,784 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:12:08,945 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_6c3627d7-6fb3-4f89-86f8-28f8704c311f/sv-benchmarks/c/float-newlib/float_req_bl_0610.c[3190,3203] [2023-12-03 01:12:08,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:12:08,967 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:12:09,005 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_6c3627d7-6fb3-4f89-86f8-28f8704c311f/sv-benchmarks/c/float-newlib/float_req_bl_0610.c[3190,3203] [2023-12-03 01:12:09,006 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:12:09,027 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:12:09,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:09 WrapperNode [2023-12-03 01:12:09,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:12:09,028 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:12:09,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:12:09,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:12:09,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:09" (1/1) ... [2023-12-03 01:12:09,049 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:09" (1/1) ... [2023-12-03 01:12:09,079 INFO L138 Inliner]: procedures = 22, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 179 [2023-12-03 01:12:09,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:12:09,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:12:09,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:12:09,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:12:09,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:09" (1/1) ... [2023-12-03 01:12:09,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:09" (1/1) ... [2023-12-03 01:12:09,095 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:09" (1/1) ... [2023-12-03 01:12:09,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:09" (1/1) ... [2023-12-03 01:12:09,111 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:09" (1/1) ... [2023-12-03 01:12:09,115 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:09" (1/1) ... [2023-12-03 01:12:09,118 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:09" (1/1) ... [2023-12-03 01:12:09,121 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:09" (1/1) ... [2023-12-03 01:12:09,126 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:12:09,127 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:12:09,127 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:12:09,127 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:12:09,128 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:09" (1/1) ... [2023-12-03 01:12:09,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:12:09,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:12:09,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:12:09,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:12:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:12:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-03 01:12:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:12:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:12:09,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-03 01:12:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:12:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:12:09,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:12:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 01:12:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:12:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:12:09,298 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:12:09,308 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:12:42,713 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:12:42,788 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:12:42,788 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-03 01:12:42,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:12:42 BoogieIcfgContainer [2023-12-03 01:12:42,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:12:42,791 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:12:42,791 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:12:42,801 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:12:42,801 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:12:42" (1/1) ... [2023-12-03 01:12:42,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:12:42,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:42,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2023-12-03 01:12:42,860 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2023-12-03 01:12:42,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:12:42,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:42,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:42,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:42,863 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:42,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:12:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:43,820 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:43,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:12:43,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:43,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:12:43,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:12:54,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:12:54,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:54,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2023-12-03 01:12:54,829 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-12-03 01:12:54,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:12:54,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:54,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:54,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:54,832 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:54,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:12:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:58,331 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:58,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 01:12:58,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:58,609 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 [2023-12-03 01:12:59,400 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:12:59,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 195 treesize of output 131 [2023-12-03 01:12:59,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:12:59,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:13:10,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:13:21,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.59s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:13:23,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:23,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2023-12-03 01:13:23,755 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2023-12-03 01:13:23,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 01:13:23,755 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2023-12-03 01:13:23,762 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 01:13:24,022 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:13:24,025 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2023-12-03 01:13:24,027 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2023-12-03 01:13:24,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_arrayElimCell_1 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~32(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]) == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()) && ~fp.add~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) == #res) could not be translated [2023-12-03 01:13:24,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:13:24 ImpRootNode [2023-12-03 01:13:24,031 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:13:24,031 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:13:24,031 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:13:24,031 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:13:24,032 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:12:42" (3/4) ... [2023-12-03 01:13:24,034 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 01:13:24,042 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-12-03 01:13:24,042 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-03 01:13:24,042 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 01:13:24,043 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 01:13:24,134 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 01:13:24,134 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 01:13:24,134 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:13:24,135 INFO L158 Benchmark]: Toolchain (without parser) took 75381.41ms. Allocated memory is still 109.1MB. Free memory was 85.8MB in the beginning and 73.0MB in the end (delta: 12.8MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2023-12-03 01:13:24,135 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 73.4MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:13:24,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.12ms. Allocated memory is still 109.1MB. Free memory was 85.8MB in the beginning and 72.3MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 01:13:24,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.91ms. Allocated memory is still 109.1MB. Free memory was 72.3MB in the beginning and 69.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:13:24,136 INFO L158 Benchmark]: Boogie Preprocessor took 45.86ms. Allocated memory is still 109.1MB. Free memory was 69.6MB in the beginning and 67.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:13:24,136 INFO L158 Benchmark]: RCFGBuilder took 33663.53ms. Allocated memory is still 109.1MB. Free memory was 67.2MB in the beginning and 64.8MB in the end (delta: 2.4MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2023-12-03 01:13:24,137 INFO L158 Benchmark]: CodeCheck took 41239.71ms. Allocated memory is still 109.1MB. Free memory was 64.8MB in the beginning and 78.5MB in the end (delta: -13.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:13:24,137 INFO L158 Benchmark]: Witness Printer took 103.14ms. Allocated memory is still 109.1MB. Free memory was 78.5MB in the beginning and 73.0MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 01:13:24,139 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 40.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 44 SdHoareTripleChecker+Valid, 44.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 42.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 18 mSDtfsCounter, 29 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 4 QuantifiedInterpolants, 158 SizeOfPredicates, 14 NumberOfNonLiveVariables, 136 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - PositiveResult [Line: 134]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 73.4MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.12ms. Allocated memory is still 109.1MB. Free memory was 85.8MB in the beginning and 72.3MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.91ms. Allocated memory is still 109.1MB. Free memory was 72.3MB in the beginning and 69.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.86ms. Allocated memory is still 109.1MB. Free memory was 69.6MB in the beginning and 67.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 33663.53ms. Allocated memory is still 109.1MB. Free memory was 67.2MB in the beginning and 64.8MB in the end (delta: 2.4MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * CodeCheck took 41239.71ms. Allocated memory is still 109.1MB. Free memory was 64.8MB in the beginning and 78.5MB in the end (delta: -13.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 103.14ms. Allocated memory is still 109.1MB. Free memory was 78.5MB in the beginning and 73.0MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_arrayElimCell_1 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~32(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]) == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()) && ~fp.add~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) == #res) could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-03 01:13:24,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3627d7-6fb3-4f89-86f8-28f8704c311f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE