./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1072d.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_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1072d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4e7e90799b98dede4965ccf0fb7fd31a9423f1bb2f54cb6cc84937807506db5a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:52,392 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:52,459 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:56:52,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:56:52,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:56:52,491 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:52,492 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:52,493 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:52,494 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:52,495 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:52,495 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:52,496 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:52,497 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:56:52,497 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:56:52,498 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:56:52,499 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:52,499 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:52,500 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:52,500 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:52,501 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:56:52,501 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:52,502 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:52,503 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:52,503 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:52,504 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:52,504 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:52,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:52,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:52,506 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:52,506 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:52,507 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:56:52,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:56:52,507 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:52,508 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_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e7e90799b98dede4965ccf0fb7fd31a9423f1bb2f54cb6cc84937807506db5a [2023-11-24 22:56:52,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:52,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:52,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:52,831 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:52,831 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:52,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/double_req_bl_1072d.c [2023-11-24 22:56:55,976 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:56,226 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:56,226 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/sv-benchmarks/c/float-newlib/double_req_bl_1072d.c [2023-11-24 22:56:56,238 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/data/da73a76b1/55e3e77d7880473fba12954a9435f741/FLAG0ee8a5d5e [2023-11-24 22:56:56,262 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/data/da73a76b1/55e3e77d7880473fba12954a9435f741 [2023-11-24 22:56:56,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:56,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:56,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:56,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:56,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:56,283 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:56" (1/1) ... [2023-11-24 22:56:56,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f93c16f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:56, skipping insertion in model container [2023-11-24 22:56:56,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:56" (1/1) ... [2023-11-24 22:56:56,315 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:56,536 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_99f54447-eb68-46be-b4a3-8dfddaf4e768/sv-benchmarks/c/float-newlib/double_req_bl_1072d.c[2254,2267] [2023-11-24 22:56:56,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:56,558 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:56,617 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_99f54447-eb68-46be-b4a3-8dfddaf4e768/sv-benchmarks/c/float-newlib/double_req_bl_1072d.c[2254,2267] [2023-11-24 22:56:56,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:56,641 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:56,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:56 WrapperNode [2023-11-24 22:56:56,642 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:56,643 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:56,643 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:56,643 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:56,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:56" (1/1) ... [2023-11-24 22:56:56,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:56" (1/1) ... [2023-11-24 22:56:56,713 INFO L138 Inliner]: procedures = 17, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 188 [2023-11-24 22:56:56,714 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:56,715 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:56,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:56,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:56,725 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:56" (1/1) ... [2023-11-24 22:56:56,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:56" (1/1) ... [2023-11-24 22:56:56,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:56" (1/1) ... [2023-11-24 22:56:56,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:56" (1/1) ... [2023-11-24 22:56:56,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:56" (1/1) ... [2023-11-24 22:56:56,758 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:56" (1/1) ... [2023-11-24 22:56:56,764 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:56" (1/1) ... [2023-11-24 22:56:56,765 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:56" (1/1) ... [2023-11-24 22:56:56,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:56,777 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:56,777 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:56,777 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:56,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:56" (1/1) ... [2023-11-24 22:56:56,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:56,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:56,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:56,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:56:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:56:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 22:56:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:56:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 22:56:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:56:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:56:56,968 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:56,971 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:57,316 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:57,708 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:57,708 INFO L309 CfgBuilder]: Removed 10 assume(true) statements. [2023-11-24 22:56:57,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:57 BoogieIcfgContainer [2023-11-24 22:56:57,711 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:57,712 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:57,712 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:57,723 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:57,724 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:57" (1/1) ... [2023-11-24 22:56:57,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:57,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:57,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2023-11-24 22:56:57,825 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2023-11-24 22:56:57,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:56:57,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:57,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:58,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:58,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:58,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2023-11-24 22:56:58,140 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2023-11-24 22:56:58,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:56:58,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:58,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:58,382 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:56:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:58,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:56:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:58,808 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 22:56:58,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:56:58 ImpRootNode [2023-11-24 22:56:58,838 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:56:58,839 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:56:58,839 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:56:58,839 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:56:58,840 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:57" (3/4) ... [2023-11-24 22:56:58,842 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:56:58,843 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:56:58,844 INFO L158 Benchmark]: Toolchain (without parser) took 2572.50ms. Allocated memory was 146.8MB in the beginning and 205.5MB in the end (delta: 58.7MB). Free memory was 101.6MB in the beginning and 114.9MB in the end (delta: -13.3MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2023-11-24 22:56:58,845 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 146.8MB. Free memory is still 120.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:58,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.50ms. Allocated memory is still 146.8MB. Free memory was 101.3MB in the beginning and 89.4MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:56:58,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.24ms. Allocated memory is still 146.8MB. Free memory was 89.4MB in the beginning and 87.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:58,847 INFO L158 Benchmark]: Boogie Preprocessor took 60.94ms. Allocated memory is still 146.8MB. Free memory was 87.3MB in the beginning and 85.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:58,848 INFO L158 Benchmark]: RCFGBuilder took 934.36ms. Allocated memory was 146.8MB in the beginning and 205.5MB in the end (delta: 58.7MB). Free memory was 85.2MB in the beginning and 155.8MB in the end (delta: -70.7MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2023-11-24 22:56:58,848 INFO L158 Benchmark]: CodeCheck took 1126.46ms. Allocated memory is still 205.5MB. Free memory was 154.8MB in the beginning and 114.9MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-24 22:56:58,849 INFO L158 Benchmark]: Witness Printer took 4.55ms. Allocated memory is still 205.5MB. Free memory is still 114.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:58,852 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, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 15 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 72 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, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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: 91]: 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 74, overapproximation of someBinaryArithmeticDOUBLEoperation at line 51, overapproximation of bitwiseAnd at line 31. Possible FailurePath: [L86] double x = -1.0 / 0.0; [L87] CALL, EXPR trunc_double(x) [L20] int signbit; [L21] int msw; [L22] unsigned int lsw; [L23] int exponent_less_1023; VAL [\old(x)=2, x=2] [L25] ieee_double_shape_type ew_u; [L26] EXPR ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] EXPR (msw) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] EXPR (lsw) = ew_u.parts.lsw [L24-L29] { ieee_double_shape_type ew_u; ew_u.value = (x); (msw) = ew_u.parts.msw; (lsw) = ew_u.parts.lsw; } VAL [\old(x)=2, lsw=10, msw=2146435072, x=2] [L30] signbit = msw & 0x80000000 [L31] EXPR msw & 0x7ff00000 [L31] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 [L32] COND FALSE !(exponent_less_1023 < 20) VAL [\old(x)=2, exponent_less_1023=1024, lsw=10, msw=2146435072, signbit=0, x=2] [L49] COND TRUE exponent_less_1023 > 51 VAL [\old(x)=2, exponent_less_1023=1024, lsw=10, msw=2146435072, signbit=0, x=2] [L50] COND TRUE exponent_less_1023 == 1024 [L51] return x + x; VAL [\old(x)=2, exponent_less_1023=1024, lsw=10, msw=2146435072, signbit=0, x=2] [L87] RET, EXPR trunc_double(x) [L87] double res = trunc_double(x); [L90] CALL, EXPR isinf_double(res) [L66] __int32_t hx, lx; VAL [\old(x)=3, x=3] [L68] ieee_double_shape_type ew_u; [L69] EXPR ew_u.value = (x) [L70] EXPR ew_u.parts.msw [L70] EXPR (hx) = ew_u.parts.msw [L71] EXPR ew_u.parts.lsw [L71] EXPR (lx) = ew_u.parts.lsw [L67-L72] { ieee_double_shape_type ew_u; ew_u.value = (x); (hx) = ew_u.parts.msw; (lx) = ew_u.parts.lsw; } VAL [\old(x)=3, hx=2146435073, lx=1, x=3] [L73] hx &= 0x7fffffff [L74] EXPR lx | (-lx) [L74] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L75] hx = 0x7ff00000 - hx [L76] EXPR hx | (-hx) [L76] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L90] RET, EXPR isinf_double(res) [L90] COND TRUE !isinf_double(res) [L91] reach_error() VAL [res=3, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 146.8MB. Free memory is still 120.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.50ms. Allocated memory is still 146.8MB. Free memory was 101.3MB in the beginning and 89.4MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.24ms. Allocated memory is still 146.8MB. Free memory was 89.4MB in the beginning and 87.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.94ms. Allocated memory is still 146.8MB. Free memory was 87.3MB in the beginning and 85.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 934.36ms. Allocated memory was 146.8MB in the beginning and 205.5MB in the end (delta: 58.7MB). Free memory was 85.2MB in the beginning and 155.8MB in the end (delta: -70.7MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * CodeCheck took 1126.46ms. Allocated memory is still 205.5MB. Free memory was 154.8MB in the beginning and 114.9MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 4.55ms. Allocated memory is still 205.5MB. Free memory is still 114.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:56:58,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1072d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4e7e90799b98dede4965ccf0fb7fd31a9423f1bb2f54cb6cc84937807506db5a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:57:01,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:57:01,686 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:57:01,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:57:01,745 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:57:01,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:57:01,747 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:57:01,748 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:57:01,749 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:57:01,754 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:57:01,755 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:57:01,756 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:57:01,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:57:01,758 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:57:01,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:57:01,759 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:57:01,759 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:57:01,760 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:57:01,760 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:57:01,762 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:57:01,762 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:57:01,763 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:57:01,763 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:57:01,764 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:57:01,764 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:57:01,765 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:57:01,765 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:57:01,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:57:01,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:01,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:57:01,768 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:57:01,769 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:57:01,769 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:57:01,770 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:57:01,770 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:57:01,770 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:57:01,771 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:57:01,771 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_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e7e90799b98dede4965ccf0fb7fd31a9423f1bb2f54cb6cc84937807506db5a [2023-11-24 22:57:02,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:57:02,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:57:02,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:57:02,261 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:57:02,261 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:57:02,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/double_req_bl_1072d.c [2023-11-24 22:57:05,483 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:57:05,769 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:57:05,769 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/sv-benchmarks/c/float-newlib/double_req_bl_1072d.c [2023-11-24 22:57:05,783 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/data/174341009/5046b5691f634c4a8c02389b1bf9c300/FLAG14099f92c [2023-11-24 22:57:05,805 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/data/174341009/5046b5691f634c4a8c02389b1bf9c300 [2023-11-24 22:57:05,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:57:05,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:57:05,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:05,820 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:57:05,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:57:05,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:05" (1/1) ... [2023-11-24 22:57:05,827 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7655fce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:05, skipping insertion in model container [2023-11-24 22:57:05,827 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:05" (1/1) ... [2023-11-24 22:57:05,858 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:57:06,101 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_99f54447-eb68-46be-b4a3-8dfddaf4e768/sv-benchmarks/c/float-newlib/double_req_bl_1072d.c[2254,2267] [2023-11-24 22:57:06,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:06,120 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:57:06,151 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_99f54447-eb68-46be-b4a3-8dfddaf4e768/sv-benchmarks/c/float-newlib/double_req_bl_1072d.c[2254,2267] [2023-11-24 22:57:06,152 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:06,210 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:57:06,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:06 WrapperNode [2023-11-24 22:57:06,211 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:06,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:06,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:57:06,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:57:06,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:06" (1/1) ... [2023-11-24 22:57:06,255 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:06" (1/1) ... [2023-11-24 22:57:06,303 INFO L138 Inliner]: procedures = 20, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 115 [2023-11-24 22:57:06,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:06,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:57:06,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:57:06,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:57:06,317 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:06" (1/1) ... [2023-11-24 22:57:06,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:06" (1/1) ... [2023-11-24 22:57:06,331 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:06" (1/1) ... [2023-11-24 22:57:06,331 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:06" (1/1) ... [2023-11-24 22:57:06,342 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:06" (1/1) ... [2023-11-24 22:57:06,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:06" (1/1) ... [2023-11-24 22:57:06,354 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:06" (1/1) ... [2023-11-24 22:57:06,356 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:06" (1/1) ... [2023-11-24 22:57:06,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:57:06,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:57:06,362 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:57:06,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:57:06,363 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:06" (1/1) ... [2023-11-24 22:57:06,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:06,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:57:06,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:57:06,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:57:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:57:06,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-24 22:57:06,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-24 22:57:06,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:57:06,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:57:06,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:57:06,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:57:06,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:57:06,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:57:06,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:57:06,582 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:57:06,584 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:57:07,123 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:57:07,154 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:57:07,155 INFO L309 CfgBuilder]: Removed 10 assume(true) statements. [2023-11-24 22:57:07,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:57:07 BoogieIcfgContainer [2023-11-24 22:57:07,158 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:57:07,159 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:57:07,159 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:57:07,170 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:57:07,170 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:57:07" (1/1) ... [2023-11-24 22:57:07,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:57:07,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:07,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2023-11-24 22:57:07,252 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2023-11-24 22:57:07,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:57:07,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:07,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:57:07,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:57:07,260 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:57:07,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:57:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:07,482 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:57:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:07,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:57:07,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:07,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:07,557 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:57:07,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 22:57:07,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:07,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2023-11-24 22:57:07,603 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2023-11-24 22:57:07,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:57:07,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:07,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:57:07,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:57:07,605 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:57:07,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 22:57:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:07,944 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:57:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:08,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 22:57:08,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:08,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:08,772 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:57:08,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 22:57:10,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:10,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2023-11-24 22:57:10,961 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2023-11-24 22:57:10,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:57:10,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:10,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:57:10,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:57:10,966 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:57:10,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 22:57:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:11,206 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:57:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:11,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:57:11,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:12,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:12,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 22:57:15,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:15,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 14 states and 13 transitions. [2023-11-24 22:57:15,520 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2023-11-24 22:57:15,520 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:57:15,521 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-11-24 22:57:15,528 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 22:57:15,795 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2023-11-24 22:57:15,799 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:57:15,800 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2023-11-24 22:57:15,803 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~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) could not be translated [2023-11-24 22:57:15,804 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2023-11-24 22:57:15,805 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~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 [2023-11-24 22:57:15,805 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2023-11-24 22:57:15,806 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_9 : bv64, currentRoundingMode : FloatRoundingMode :: (~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_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) && ~lx~0 == v_skolemized_q#valueAsBitvector_9[31:0]) && v_skolemized_q#valueAsBitvector_9[63:32] == ~hx~0) could not be translated [2023-11-24 22:57:15,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:57:15 ImpRootNode [2023-11-24 22:57:15,807 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:57:15,807 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:57:15,808 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:57:15,808 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:57:15,808 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:57:07" (3/4) ... [2023-11-24 22:57:15,810 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:57:15,819 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-24 22:57:15,820 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-24 22:57:15,820 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 22:57:15,821 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:57:15,948 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:57:15,948 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:57:15,948 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:57:15,949 INFO L158 Benchmark]: Toolchain (without parser) took 10136.55ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 42.9MB in the beginning and 37.3MB in the end (delta: 5.7MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2023-11-24 22:57:15,949 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 67.1MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:57:15,951 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.20ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 42.8MB in the beginning and 62.8MB in the end (delta: -20.0MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2023-11-24 22:57:15,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.94ms. Allocated memory is still 83.9MB. Free memory was 62.8MB in the beginning and 61.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:57:15,953 INFO L158 Benchmark]: Boogie Preprocessor took 53.51ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 59.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:57:15,953 INFO L158 Benchmark]: RCFGBuilder took 797.19ms. Allocated memory is still 83.9MB. Free memory was 59.0MB in the beginning and 43.6MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:57:15,954 INFO L158 Benchmark]: CodeCheck took 8647.54ms. Allocated memory is still 83.9MB. Free memory was 43.6MB in the beginning and 42.1MB in the end (delta: 1.5MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2023-11-24 22:57:15,955 INFO L158 Benchmark]: Witness Printer took 141.01ms. Allocated memory is still 83.9MB. Free memory was 42.1MB in the beginning and 37.3MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:57:15,957 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, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 142 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 107 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 80 IncrementalHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 83 mSDtfsCounter, 80 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 307 GetRequests, 283 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 35 ConstructedInterpolants, 10 QuantifiedInterpolants, 377 SizeOfPredicates, 18 NumberOfNonLiveVariables, 149 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 91]: 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: 24]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 67.1MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.20ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 42.8MB in the beginning and 62.8MB in the end (delta: -20.0MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.94ms. Allocated memory is still 83.9MB. Free memory was 62.8MB in the beginning and 61.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.51ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 59.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 797.19ms. Allocated memory is still 83.9MB. Free memory was 59.0MB in the beginning and 43.6MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 8647.54ms. Allocated memory is still 83.9MB. Free memory was 43.6MB in the beginning and 42.1MB in the end (delta: 1.5MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. * Witness Printer took 141.01ms. Allocated memory is still 83.9MB. Free memory was 42.1MB in the beginning and 37.3MB in the end (delta: 4.8MB). 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 currentRoundingMode : FloatRoundingMode :: ~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) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~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_skolemized_q#valueAsBitvector_9 : bv64, currentRoundingMode : FloatRoundingMode :: (~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_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) && ~lx~0 == v_skolemized_q#valueAsBitvector_9[31:0]) && v_skolemized_q#valueAsBitvector_9[63:32] == ~hx~0) could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-24 22:57:15,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99f54447-eb68-46be-b4a3-8dfddaf4e768/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE