./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1092d.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_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/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_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/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_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/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 3af1cc7b717b9387beaa6f5748bd79e907549cdc0103a27a33252f549ff317c1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:10:02,694 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:10:02,759 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:10:02,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:10:02,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:10:02,785 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:10:02,786 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:10:02,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:10:02,787 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:10:02,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:10:02,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:10:02,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:10:02,789 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:10:02,790 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:10:02,790 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:10:02,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:10:02,791 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:10:02,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:10:02,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:10:02,793 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:10:02,793 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:10:02,794 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:10:02,795 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:10:02,795 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:10:02,795 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:10:02,796 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:10:02,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:10:02,797 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:10:02,797 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:10:02,797 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:10:02,798 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:10:02,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:10:02,799 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:10:02,799 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_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3af1cc7b717b9387beaa6f5748bd79e907549cdc0103a27a33252f549ff317c1 [2023-12-03 04:10:03,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:10:03,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:10:03,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:10:03,033 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:10:03,034 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:10:03,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_1092d.c [2023-12-03 04:10:05,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:10:05,873 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:10:05,873 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/sv-benchmarks/c/float-newlib/double_req_bl_1092d.c [2023-12-03 04:10:05,880 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/data/845f96733/cd068f47e52c433e9f00b9f52ee5fa04/FLAGf2d0c18fc [2023-12-03 04:10:05,893 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/data/845f96733/cd068f47e52c433e9f00b9f52ee5fa04 [2023-12-03 04:10:05,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:10:05,896 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:10:05,897 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:10:05,897 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:10:05,900 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:10:05,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:10:05" (1/1) ... [2023-12-03 04:10:05,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e0f222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:05, skipping insertion in model container [2023-12-03 04:10:05,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:10:05" (1/1) ... [2023-12-03 04:10:05,924 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:10:06,080 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_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/sv-benchmarks/c/float-newlib/double_req_bl_1092d.c[2417,2430] [2023-12-03 04:10:06,084 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:10:06,092 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:10:06,121 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_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/sv-benchmarks/c/float-newlib/double_req_bl_1092d.c[2417,2430] [2023-12-03 04:10:06,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:10:06,135 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:10:06,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:06 WrapperNode [2023-12-03 04:10:06,136 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:10:06,137 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:10:06,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:10:06,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:10:06,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:06" (1/1) ... [2023-12-03 04:10:06,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:06" (1/1) ... [2023-12-03 04:10:06,179 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 215 [2023-12-03 04:10:06,180 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:10:06,181 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:10:06,181 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:10:06,181 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:10:06,190 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:06" (1/1) ... [2023-12-03 04:10:06,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:06" (1/1) ... [2023-12-03 04:10:06,194 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:06" (1/1) ... [2023-12-03 04:10:06,194 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:06" (1/1) ... [2023-12-03 04:10:06,203 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:06" (1/1) ... [2023-12-03 04:10:06,208 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:06" (1/1) ... [2023-12-03 04:10:06,210 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:06" (1/1) ... [2023-12-03 04:10:06,212 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:06" (1/1) ... [2023-12-03 04:10:06,216 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:10:06,217 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:10:06,217 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:10:06,217 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:10:06,218 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:06" (1/1) ... [2023-12-03 04:10:06,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:10:06,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:10:06,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:10:06,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:10:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:10:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:10:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:10:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-03 04:10:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:10:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-03 04:10:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:10:06,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:10:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:10:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:10:06,359 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:10:06,361 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:10:06,671 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:10:06,884 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:10:06,884 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-03 04:10:06,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:10:06 BoogieIcfgContainer [2023-12-03 04:10:06,886 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:10:06,887 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:10:06,887 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:10:06,897 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:10:06,897 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:10:06" (1/1) ... [2023-12-03 04:10:06,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:10:06,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:06,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 32 transitions. [2023-12-03 04:10:06,959 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 32 transitions. [2023-12-03 04:10:06,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:10:06,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:06,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:10:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:07,090 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 04:10:07,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:07,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2023-12-03 04:10:07,125 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-12-03 04:10:07,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 04:10:07,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:07,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:10:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:10:07,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:10:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:10:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:10:07,440 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:10:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:10:07,535 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 04:10:07,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:10:07 ImpRootNode [2023-12-03 04:10:07,559 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:10:07,560 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:10:07,560 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:10:07,560 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:10:07,561 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:10:06" (3/4) ... [2023-12-03 04:10:07,563 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:10:07,564 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:10:07,565 INFO L158 Benchmark]: Toolchain (without parser) took 1668.60ms. Allocated memory is still 155.2MB. Free memory was 119.2MB in the beginning and 102.2MB in the end (delta: 16.9MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2023-12-03 04:10:07,565 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 102.8MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:10:07,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.36ms. Allocated memory is still 155.2MB. Free memory was 119.2MB in the beginning and 107.4MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 04:10:07,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.38ms. Allocated memory is still 155.2MB. Free memory was 107.0MB in the beginning and 104.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:10:07,567 INFO L158 Benchmark]: Boogie Preprocessor took 35.66ms. Allocated memory is still 155.2MB. Free memory was 104.9MB in the beginning and 102.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:10:07,568 INFO L158 Benchmark]: RCFGBuilder took 669.21ms. Allocated memory is still 155.2MB. Free memory was 102.8MB in the beginning and 89.2MB in the end (delta: 13.6MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2023-12-03 04:10:07,568 INFO L158 Benchmark]: CodeCheck took 672.48ms. Allocated memory is still 155.2MB. Free memory was 89.2MB in the beginning and 103.2MB in the end (delta: -14.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:10:07,569 INFO L158 Benchmark]: Witness Printer took 3.81ms. Allocated memory is still 155.2MB. Free memory was 103.2MB in the beginning and 102.2MB in the end (delta: 971.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:10:07,572 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: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 14 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, 14 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 69 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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: 110]: 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 bitwiseOr at line 92, overapproximation of someBinaryArithmeticDOUBLEoperation at line 52. Possible FailurePath: [L16] static const double huge_ceil = 1.0e300; [L105] double x = -1.0 / 0.0; [L106] CALL, EXPR ceil_double(x) [L19] __int32_t i0, i1, j0; [L20] __uint32_t i, j; VAL [\old(x)=3, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=3] [L22] ieee_double_shape_type ew_u; [L23] EXPR ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] EXPR (i0) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] EXPR (i1) = ew_u.parts.lsw [L21-L26] { ieee_double_shape_type ew_u; ew_u.value = (x); (i0) = ew_u.parts.msw; (i1) = ew_u.parts.lsw; } VAL [\old(x)=3, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1048577, i1=19823, x=3] [L27] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=3, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1048577, i1=19823, j0=1023, x=3] [L28] COND FALSE !(j0 < 20) VAL [\old(x)=3, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1048577, i1=19823, j0=1023, x=3] [L50] COND TRUE j0 > 51 [L51] COND FALSE !(j0 == 0x400) [L54] return x; VAL [\old(x)=3, \result=3, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1048577, i1=19823, j0=1023, x=3] [L106] RET, EXPR ceil_double(x) [L106] double res = ceil_double(x); [L109] CALL, EXPR isinf_double(res) [L84] __int32_t hx, lx; VAL [\old(x)=3, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=3] [L86] ieee_double_shape_type ew_u; [L87] EXPR ew_u.value = (x) [L88] EXPR ew_u.parts.msw [L88] EXPR (hx) = ew_u.parts.msw [L89] EXPR ew_u.parts.lsw [L89] EXPR (lx) = ew_u.parts.lsw [L85-L90] { ieee_double_shape_type ew_u; ew_u.value = (x); (hx) = ew_u.parts.msw; (lx) = ew_u.parts.lsw; } VAL [\old(x)=3, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=0, lx=-2, x=3] [L91] hx &= 0x7fffffff [L92] EXPR lx | (-lx) [L92] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L93] hx = 0x7ff00000 - hx [L94] EXPR hx | (-hx) [L94] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L109] RET, EXPR isinf_double(res) [L109] COND TRUE !isinf_double(res) [L110] reach_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=3, x=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 102.8MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.36ms. Allocated memory is still 155.2MB. Free memory was 119.2MB in the beginning and 107.4MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.38ms. Allocated memory is still 155.2MB. Free memory was 107.0MB in the beginning and 104.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.66ms. Allocated memory is still 155.2MB. Free memory was 104.9MB in the beginning and 102.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 669.21ms. Allocated memory is still 155.2MB. Free memory was 102.8MB in the beginning and 89.2MB in the end (delta: 13.6MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * CodeCheck took 672.48ms. Allocated memory is still 155.2MB. Free memory was 89.2MB in the beginning and 103.2MB in the end (delta: -14.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.81ms. Allocated memory is still 155.2MB. Free memory was 103.2MB in the beginning and 102.2MB in the end (delta: 971.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 04:10:07,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/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_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/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_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/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 3af1cc7b717b9387beaa6f5748bd79e907549cdc0103a27a33252f549ff317c1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:10:09,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:10:09,524 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 04:10:09,556 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:10:09,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:10:09,557 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:10:09,558 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:10:09,559 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:10:09,559 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:10:09,560 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:10:09,560 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:10:09,561 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:10:09,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:10:09,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:10:09,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:10:09,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:10:09,563 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:10:09,564 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:10:09,564 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:10:09,565 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:10:09,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:10:09,566 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:10:09,566 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:10:09,567 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:10:09,567 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:10:09,568 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:09,569 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:10:09,569 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:10:09,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:10:09,570 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:10:09,570 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:10:09,571 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:10:09,571 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:10:09,572 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:09,572 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:10:09,572 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:10:09,572 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:10:09,573 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_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3af1cc7b717b9387beaa6f5748bd79e907549cdc0103a27a33252f549ff317c1 [2023-12-03 04:10:09,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:10:09,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:10:09,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:10:09,873 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:10:09,874 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:10:09,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_1092d.c [2023-12-03 04:10:12,689 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:10:12,879 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:10:12,880 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/sv-benchmarks/c/float-newlib/double_req_bl_1092d.c [2023-12-03 04:10:12,886 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/data/a9ba098c1/8fbbccf4a3414eea857646382a8da94a/FLAG380a75cc5 [2023-12-03 04:10:12,897 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/data/a9ba098c1/8fbbccf4a3414eea857646382a8da94a [2023-12-03 04:10:12,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:10:12,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:10:12,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:10:12,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:10:12,906 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:10:12,907 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:10:12" (1/1) ... [2023-12-03 04:10:12,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e663982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:12, skipping insertion in model container [2023-12-03 04:10:12,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:10:12" (1/1) ... [2023-12-03 04:10:12,934 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:10:13,107 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_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/sv-benchmarks/c/float-newlib/double_req_bl_1092d.c[2417,2430] [2023-12-03 04:10:13,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:10:13,126 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:10:13,156 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_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/sv-benchmarks/c/float-newlib/double_req_bl_1092d.c[2417,2430] [2023-12-03 04:10:13,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:10:13,177 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:10:13,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:13 WrapperNode [2023-12-03 04:10:13,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:10:13,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:10:13,179 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:10:13,179 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:10:13,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:13" (1/1) ... [2023-12-03 04:10:13,197 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:13" (1/1) ... [2023-12-03 04:10:13,221 INFO L138 Inliner]: procedures = 19, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 121 [2023-12-03 04:10:13,221 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:10:13,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:10:13,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:10:13,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:10:13,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:13" (1/1) ... [2023-12-03 04:10:13,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:13" (1/1) ... [2023-12-03 04:10:13,237 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:13" (1/1) ... [2023-12-03 04:10:13,237 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:13" (1/1) ... [2023-12-03 04:10:13,247 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:13" (1/1) ... [2023-12-03 04:10:13,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:13" (1/1) ... [2023-12-03 04:10:13,253 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:13" (1/1) ... [2023-12-03 04:10:13,255 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:13" (1/1) ... [2023-12-03 04:10:13,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:10:13,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:10:13,260 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:10:13,260 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:10:13,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:10:13" (1/1) ... [2023-12-03 04:10:13,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:10:13,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:10:13,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:10:13,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:10:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:10:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-12-03 04:10:13,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-03 04:10:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:10:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:10:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:10:13,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:10:13,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:10:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:10:13,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:10:13,399 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:10:13,401 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:10:14,661 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:10:14,759 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:10:14,760 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-03 04:10:14,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:10:14 BoogieIcfgContainer [2023-12-03 04:10:14,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:10:14,763 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:10:14,763 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:10:14,770 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:10:14,771 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:10:14" (1/1) ... [2023-12-03 04:10:14,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:10:14,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:14,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 32 transitions. [2023-12-03 04:10:14,821 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 32 transitions. [2023-12-03 04:10:14,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:10:14,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:14,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:14,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:14,841 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:14,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:10:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:15,019 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:15,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:10:15,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:15,067 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 04:10:15,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:10:15,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:15,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2023-12-03 04:10:15,263 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-12-03 04:10:15,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 04:10:15,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:15,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:15,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:15,265 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:15,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:10:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:15,568 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:15,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 04:10:15,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:15,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2023-12-03 04:10:16,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2023-12-03 04:10:17,849 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 04:10:17,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:10:21,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:21,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2023-12-03 04:10:21,972 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2023-12-03 04:10:21,972 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 04:10:21,972 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2023-12-03 04:10:21,980 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 04:10:22,210 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2023-12-03 04:10:22,216 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_9 : bv64, currentRoundingMode : FloatRoundingMode :: (~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64()) && #memory_int[v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_9[63:32]) && ~fp.add~64(currentRoundingMode, ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64()), ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) == ~x) could not be translated [2023-12-03 04:10:22,217 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2023-12-03 04:10:22,218 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_9 : bv64, currentRoundingMode : FloatRoundingMode :: (~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64()) && ~fp.add~64(currentRoundingMode, ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64()), ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) == #res) && #memory_int[v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_9[63:32]) could not be translated [2023-12-03 04:10:22,218 INFO L560 CodeCheckObserver]: Invariant with dag size 27 [2023-12-03 04:10:22,219 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_9 : bv64, v_skolemized_q#valueAsBitvector_10 : bv64, currentRoundingMode : FloatRoundingMode :: ((~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64()) && ~fp.add~64(currentRoundingMode, ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64()), ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) == ~fp~64(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0])) && v_skolemized_q#valueAsBitvector_10[31:0] == ~lx~0) && ~hx~0 == v_skolemized_q#valueAsBitvector_10[63:32]) could not be translated [2023-12-03 04:10:22,219 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:10:22,220 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2023-12-03 04:10:22,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:10:22 ImpRootNode [2023-12-03 04:10:22,221 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:10:22,222 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:10:22,222 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:10:22,222 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:10:22,223 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:10:14" (3/4) ... [2023-12-03 04:10:22,225 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 04:10:22,233 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-12-03 04:10:22,234 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-12-03 04:10:22,234 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 04:10:22,235 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 04:10:22,331 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:10:22,331 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 04:10:22,332 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:10:22,332 INFO L158 Benchmark]: Toolchain (without parser) took 9431.70ms. Allocated memory is still 104.9MB. Free memory was 81.6MB in the beginning and 42.4MB in the end (delta: 39.2MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2023-12-03 04:10:22,333 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:10:22,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.64ms. Allocated memory is still 104.9MB. Free memory was 81.6MB in the beginning and 69.2MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 04:10:22,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.00ms. Allocated memory is still 104.9MB. Free memory was 69.2MB in the beginning and 67.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:10:22,334 INFO L158 Benchmark]: Boogie Preprocessor took 37.22ms. Allocated memory is still 104.9MB. Free memory was 67.3MB in the beginning and 65.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:10:22,334 INFO L158 Benchmark]: RCFGBuilder took 1501.93ms. Allocated memory is still 104.9MB. Free memory was 65.2MB in the beginning and 67.2MB in the end (delta: -2.1MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2023-12-03 04:10:22,335 INFO L158 Benchmark]: CodeCheck took 7458.84ms. Allocated memory is still 104.9MB. Free memory was 67.2MB in the beginning and 47.9MB in the end (delta: 19.3MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2023-12-03 04:10:22,335 INFO L158 Benchmark]: Witness Printer took 109.60ms. Allocated memory is still 104.9MB. Free memory was 47.9MB in the beginning and 42.4MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:10:22,337 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: 7.2s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 34 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 157 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 9 QuantifiedInterpolants, 441 SizeOfPredicates, 12 NumberOfNonLiveVariables, 88 ConjunctsInSsa, 24 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: 110]: 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: 85]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.64ms. Allocated memory is still 104.9MB. Free memory was 81.6MB in the beginning and 69.2MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.00ms. Allocated memory is still 104.9MB. Free memory was 69.2MB in the beginning and 67.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.22ms. Allocated memory is still 104.9MB. Free memory was 67.3MB in the beginning and 65.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1501.93ms. Allocated memory is still 104.9MB. Free memory was 65.2MB in the beginning and 67.2MB in the end (delta: -2.1MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * CodeCheck took 7458.84ms. Allocated memory is still 104.9MB. Free memory was 67.2MB in the beginning and 47.9MB in the end (delta: 19.3MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Witness Printer took 109.60ms. Allocated memory is still 104.9MB. Free memory was 47.9MB in the beginning and 42.4MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_9 : bv64, currentRoundingMode : FloatRoundingMode :: (~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64()) && #memory_int[v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_9[63:32]) && ~fp.add~64(currentRoundingMode, ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64()), ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) == ~x) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_9 : bv64, currentRoundingMode : FloatRoundingMode :: (~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64()) && ~fp.add~64(currentRoundingMode, ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64()), ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) == #res) && #memory_int[v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_9[63:32]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_9 : bv64, v_skolemized_q#valueAsBitvector_10 : bv64, currentRoundingMode : FloatRoundingMode :: ((~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64()) && ~fp.add~64(currentRoundingMode, ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64()), ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), ~Pluszero~64())) == ~fp~64(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0])) && v_skolemized_q#valueAsBitvector_10[31:0] == ~lx~0) && ~hx~0 == v_skolemized_q#valueAsBitvector_10[63:32]) could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-03 04:10:22,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8676c0fc-324b-4d3f-b28d-5accbf0a8adf/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