./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0720.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_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/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_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/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_1296e07c-ea54-4d15-97dd-ca65005d5659/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 4e4c2067f061fded3c73bef3417c7b43200911ac0a27c4167dda41245285899f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:55:46,562 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:55:46,628 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:55:46,632 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:55:46,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:55:46,660 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:55:46,661 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:55:46,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:55:46,662 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:55:46,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:55:46,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:55:46,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:55:46,664 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:55:46,664 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:55:46,665 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:55:46,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:55:46,666 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:55:46,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:55:46,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:55:46,672 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:55:46,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:55:46,673 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:55:46,674 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:55:46,674 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:55:46,675 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:55:46,675 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:55:46,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:55:46,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:55:46,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:55:46,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:55:46,677 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:55:46,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:55:46,678 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:55:46,678 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_1296e07c-ea54-4d15-97dd-ca65005d5659/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e4c2067f061fded3c73bef3417c7b43200911ac0a27c4167dda41245285899f [2023-12-02 23:55:46,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:55:46,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:55:46,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:55:46,923 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:55:46,923 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:55:46,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2023-12-02 23:55:49,662 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:55:49,845 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:55:49,845 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2023-12-02 23:55:49,853 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/data/fef39245c/f9d43701aac248169fe06edce52c19f4/FLAG1b5b9c6eb [2023-12-02 23:55:49,867 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/data/fef39245c/f9d43701aac248169fe06edce52c19f4 [2023-12-02 23:55:49,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:55:49,870 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:55:49,871 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:55:49,871 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:55:49,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:55:49,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:55:49" (1/1) ... [2023-12-02 23:55:49,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55767f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:49, skipping insertion in model container [2023-12-02 23:55:49,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:55:49" (1/1) ... [2023-12-02 23:55:49,901 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:55:50,063 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_1296e07c-ea54-4d15-97dd-ca65005d5659/sv-benchmarks/c/float-newlib/double_req_bl_0720.c[3072,3085] [2023-12-02 23:55:50,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:55:50,077 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:55:50,122 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_1296e07c-ea54-4d15-97dd-ca65005d5659/sv-benchmarks/c/float-newlib/double_req_bl_0720.c[3072,3085] [2023-12-02 23:55:50,123 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:55:50,140 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:55:50,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:50 WrapperNode [2023-12-02 23:55:50,141 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:55:50,142 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:55:50,142 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:55:50,142 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:55:50,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:50" (1/1) ... [2023-12-02 23:55:50,162 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:50" (1/1) ... [2023-12-02 23:55:50,205 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 306 [2023-12-02 23:55:50,206 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:55:50,206 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:55:50,207 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:55:50,207 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:55:50,218 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:50" (1/1) ... [2023-12-02 23:55:50,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:50" (1/1) ... [2023-12-02 23:55:50,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:50" (1/1) ... [2023-12-02 23:55:50,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:50" (1/1) ... [2023-12-02 23:55:50,234 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:50" (1/1) ... [2023-12-02 23:55:50,240 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:50" (1/1) ... [2023-12-02 23:55:50,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:50" (1/1) ... [2023-12-02 23:55:50,246 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:50" (1/1) ... [2023-12-02 23:55:50,252 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:55:50,253 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:55:50,253 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:55:50,253 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:55:50,254 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:50" (1/1) ... [2023-12-02 23:55:50,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:55:50,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:55:50,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:55:50,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:55:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:55:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:55:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:55:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 23:55:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:55:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 23:55:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:55:50,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:55:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:55:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:55:50,440 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:55:50,443 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:55:50,892 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:55:51,240 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:55:51,241 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-12-02 23:55:51,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:55:51 BoogieIcfgContainer [2023-12-02 23:55:51,243 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:55:51,243 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:55:51,244 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:55:51,253 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:55:51,253 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:55:51" (1/1) ... [2023-12-02 23:55:51,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:55:51,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:51,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2023-12-02 23:55:51,315 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2023-12-02 23:55:51,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:55:51,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:51,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:55:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:55:51,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:55:51,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:55:51,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-12-02 23:55:51,474 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-12-02 23:55:51,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:55:51,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:55:51,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:55:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:55:51,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:55:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:55:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:55:51,591 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:55:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:55:51,632 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 23:55:51,654 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-12-02 23:55:51,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:55:51 ImpRootNode [2023-12-02 23:55:51,660 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:55:51,660 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:55:51,661 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:55:51,661 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:55:51,661 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:55:51" (3/4) ... [2023-12-02 23:55:51,663 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:55:51,664 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:55:51,665 INFO L158 Benchmark]: Toolchain (without parser) took 1794.80ms. Allocated memory is still 153.1MB. Free memory was 124.1MB in the beginning and 83.8MB in the end (delta: 40.3MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2023-12-02 23:55:51,665 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory is still 92.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:55:51,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.15ms. Allocated memory is still 153.1MB. Free memory was 124.1MB in the beginning and 111.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:55:51,667 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.80ms. Allocated memory is still 153.1MB. Free memory was 111.0MB in the beginning and 108.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:55:51,667 INFO L158 Benchmark]: Boogie Preprocessor took 45.57ms. Allocated memory is still 153.1MB. Free memory was 108.1MB in the beginning and 106.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:55:51,668 INFO L158 Benchmark]: RCFGBuilder took 989.66ms. Allocated memory is still 153.1MB. Free memory was 106.0MB in the beginning and 105.8MB in the end (delta: 200.9kB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-12-02 23:55:51,668 INFO L158 Benchmark]: CodeCheck took 416.52ms. Allocated memory is still 153.1MB. Free memory was 105.8MB in the beginning and 83.8MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-02 23:55:51,669 INFO L158 Benchmark]: Witness Printer took 3.82ms. Allocated memory is still 153.1MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:55:51,672 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, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 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, 10 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 48 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 147]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 20, overapproximation of someBinaryArithmeticDOUBLEoperation at line 38, overapproximation of bitwiseAnd at line 37. Possible FailurePath: [L22] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L141] double x = 0.0 / 0.0; [L143] CALL, EXPR __ieee754_sqrt(x) [L25] double z; [L26] __int32_t sign = 0x80000000; [L27] __uint32_t r, t1, s1, ix1, q1; [L28] __int32_t ix0, s0, q, m, t, i; VAL [\old(x)=2, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] [L31] ieee_double_shape_type ew_u; [L32] EXPR ew_u.value = (x) [L33] EXPR ew_u.parts.msw [L33] EXPR (ix0) = ew_u.parts.msw [L34] EXPR ew_u.parts.lsw [L34] EXPR (ix1) = ew_u.parts.lsw [L30-L35] { ieee_double_shape_type ew_u; ew_u.value = (x); (ix0) = ew_u.parts.msw; (ix1) = ew_u.parts.lsw; } VAL [\old(x)=2, ix0=2146435072, ix1=10, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] [L37] EXPR ix0 & 0x7ff00000 VAL [\old(x)=2, ix0=2146435072, ix1=10, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] [L37] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L38] return x * x + x; VAL [\old(x)=2, ix0=2146435072, ix1=10, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] [L143] RET, EXPR __ieee754_sqrt(x) [L143] double res = __ieee754_sqrt(x); [L146] CALL, EXPR isnan_double(res) [L20] return x != x; [L146] RET, EXPR isnan_double(res) [L146] COND TRUE !isnan_double(res) [L147] reach_error() VAL [one_sqrt=1, res=5, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory is still 92.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.15ms. Allocated memory is still 153.1MB. Free memory was 124.1MB in the beginning and 111.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.80ms. Allocated memory is still 153.1MB. Free memory was 111.0MB in the beginning and 108.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.57ms. Allocated memory is still 153.1MB. Free memory was 108.1MB in the beginning and 106.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 989.66ms. Allocated memory is still 153.1MB. Free memory was 106.0MB in the beginning and 105.8MB in the end (delta: 200.9kB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * CodeCheck took 416.52ms. Allocated memory is still 153.1MB. Free memory was 105.8MB in the beginning and 83.8MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 3.82ms. Allocated memory is still 153.1MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 23:55:51,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/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_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/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_1296e07c-ea54-4d15-97dd-ca65005d5659/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 4e4c2067f061fded3c73bef3417c7b43200911ac0a27c4167dda41245285899f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:55:53,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:55:53,733 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:55:53,768 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:55:53,769 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:55:53,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:55:53,770 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:55:53,771 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:55:53,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:55:53,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:55:53,773 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:55:53,773 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:55:53,774 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:55:53,774 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:55:53,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:55:53,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:55:53,776 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:55:53,777 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:55:53,777 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:55:53,778 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:55:53,778 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:55:53,779 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:55:53,780 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:55:53,780 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:55:53,781 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:55:53,781 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:53,782 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:55:53,782 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:55:53,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:55:53,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:55:53,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:55:53,784 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:55:53,785 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:55:53,785 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:55:53,785 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:55:53,786 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:55:53,786 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:55:53,786 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_1296e07c-ea54-4d15-97dd-ca65005d5659/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e4c2067f061fded3c73bef3417c7b43200911ac0a27c4167dda41245285899f [2023-12-02 23:55:54,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:55:54,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:55:54,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:55:54,085 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:55:54,086 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:55:54,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2023-12-02 23:55:56,883 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:55:57,076 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:55:57,076 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2023-12-02 23:55:57,085 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/data/2f0f4c431/f8c8ae13e2444884a5ff6288a42c44c9/FLAGcdb7c14ae [2023-12-02 23:55:57,097 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/data/2f0f4c431/f8c8ae13e2444884a5ff6288a42c44c9 [2023-12-02 23:55:57,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:55:57,100 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:55:57,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:55:57,101 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:55:57,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:55:57,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:55:57" (1/1) ... [2023-12-02 23:55:57,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@615c662a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:57, skipping insertion in model container [2023-12-02 23:55:57,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:55:57" (1/1) ... [2023-12-02 23:55:57,132 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:55:57,325 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_1296e07c-ea54-4d15-97dd-ca65005d5659/sv-benchmarks/c/float-newlib/double_req_bl_0720.c[3072,3085] [2023-12-02 23:55:57,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:55:57,345 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:55:57,382 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_1296e07c-ea54-4d15-97dd-ca65005d5659/sv-benchmarks/c/float-newlib/double_req_bl_0720.c[3072,3085] [2023-12-02 23:55:57,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:55:57,402 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:55:57,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:57 WrapperNode [2023-12-02 23:55:57,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:55:57,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:55:57,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:55:57,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:55:57,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:57" (1/1) ... [2023-12-02 23:55:57,424 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:57" (1/1) ... [2023-12-02 23:55:57,450 INFO L138 Inliner]: procedures = 20, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 164 [2023-12-02 23:55:57,450 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:55:57,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:55:57,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:55:57,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:55:57,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:57" (1/1) ... [2023-12-02 23:55:57,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:57" (1/1) ... [2023-12-02 23:55:57,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:57" (1/1) ... [2023-12-02 23:55:57,469 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:57" (1/1) ... [2023-12-02 23:55:57,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:57" (1/1) ... [2023-12-02 23:55:57,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:57" (1/1) ... [2023-12-02 23:55:57,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:57" (1/1) ... [2023-12-02 23:55:57,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:57" (1/1) ... [2023-12-02 23:55:57,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:55:57,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:55:57,501 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:55:57,501 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:55:57,502 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:55:57" (1/1) ... [2023-12-02 23:55:57,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:55:57,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:55:57,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:55:57,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:55:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:55:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-12-02 23:55:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-02 23:55:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:55:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:55:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:55:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:55:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:55:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:55:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:55:57,683 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:55:57,685 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:56:03,275 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:56:03,435 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:56:03,435 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-12-02 23:56:03,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:56:03 BoogieIcfgContainer [2023-12-02 23:56:03,438 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:56:03,439 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:56:03,439 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:56:03,450 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:56:03,450 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:56:03" (1/1) ... [2023-12-02 23:56:03,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:56:03,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:03,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2023-12-02 23:56:03,523 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2023-12-02 23:56:03,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:56:03,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:03,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:03,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:03,528 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:03,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:56:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:03,737 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:03,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:56:03,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:03,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:56:03,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:56:03,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:03,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2023-12-02 23:56:03,865 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2023-12-02 23:56:03,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:56:03,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:03,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:03,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:03,868 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:03,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:56:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:04,379 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:04,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:56:04,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:05,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:56:05,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:56:07,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:56:13,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:56:18,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:56:24,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.10s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:56:28,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:56:36,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:56:40,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.79s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:56:41,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:41,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-12-02 23:56:41,398 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-12-02 23:56:41,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:56:41,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:56:41,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:56:41,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:56:41,400 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:56:41,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:56:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:41,626 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:56:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:56:41,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:56:41,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:56:42,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:56:42,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:56:47,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:56:50,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:56:54,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:56:54,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:56:54,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2023-12-02 23:56:54,379 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2023-12-02 23:56:54,380 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 23:56:54,380 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-12-02 23:56:54,388 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 23:56:54,696 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2023-12-02 23:56:54,702 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~64(currentRoundingMode, ~Pluszero~64(), ~Pluszero~64()) == ~x) could not be translated [2023-12-02 23:56:54,703 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:56:54,703 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2023-12-02 23:56:54,704 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.add~64(currentRoundingMode, ~fp.mul~64(currentRoundingMode, ~fp.div~64(currentRoundingMode, ~Pluszero~64(), ~Pluszero~64()), ~fp.div~64(currentRoundingMode, ~Pluszero~64(), ~Pluszero~64())), ~fp.div~64(currentRoundingMode, ~Pluszero~64(), ~Pluszero~64())) == #res) could not be translated [2023-12-02 23:56:54,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:56:54 ImpRootNode [2023-12-02 23:56:54,704 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:56:54,705 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:56:54,705 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:56:54,706 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:56:54,706 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:56:03" (3/4) ... [2023-12-02 23:56:54,708 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 23:56:54,718 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2023-12-02 23:56:54,719 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-12-02 23:56:54,720 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 23:56:54,720 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 23:56:54,824 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:56:54,824 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 23:56:54,825 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:56:54,825 INFO L158 Benchmark]: Toolchain (without parser) took 57725.65ms. Allocated memory is still 96.5MB. Free memory was 72.9MB in the beginning and 49.3MB in the end (delta: 23.6MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2023-12-02 23:56:54,826 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:56:54,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.79ms. Allocated memory is still 96.5MB. Free memory was 72.7MB in the beginning and 59.2MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:56:54,827 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.86ms. Allocated memory is still 96.5MB. Free memory was 59.2MB in the beginning and 57.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:56:54,827 INFO L158 Benchmark]: Boogie Preprocessor took 48.67ms. Allocated memory is still 96.5MB. Free memory was 57.0MB in the beginning and 54.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:56:54,828 INFO L158 Benchmark]: RCFGBuilder took 5936.80ms. Allocated memory is still 96.5MB. Free memory was 54.9MB in the beginning and 38.0MB in the end (delta: 16.9MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-12-02 23:56:54,828 INFO L158 Benchmark]: CodeCheck took 51266.01ms. Allocated memory is still 96.5MB. Free memory was 38.0MB in the beginning and 55.6MB in the end (delta: -17.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:56:54,828 INFO L158 Benchmark]: Witness Printer took 119.61ms. Allocated memory is still 96.5MB. Free memory was 55.6MB in the beginning and 49.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 23:56:54,830 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, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 50.9s, OverallIterations: 4, 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, 81.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 74.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 38 mSDtfsCounter, 70 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 175 GetRequests, 158 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 6 QuantifiedInterpolants, 148 SizeOfPredicates, 15 NumberOfNonLiveVariables, 111 ConjunctsInSsa, 19 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: 147]: 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: 30]: Loop Invariant Derived loop invariant: (sign == -2147483648) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.79ms. Allocated memory is still 96.5MB. Free memory was 72.7MB in the beginning and 59.2MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.86ms. Allocated memory is still 96.5MB. Free memory was 59.2MB in the beginning and 57.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.67ms. Allocated memory is still 96.5MB. Free memory was 57.0MB in the beginning and 54.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 5936.80ms. Allocated memory is still 96.5MB. Free memory was 54.9MB in the beginning and 38.0MB in the end (delta: 16.9MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * CodeCheck took 51266.01ms. Allocated memory is still 96.5MB. Free memory was 38.0MB in the beginning and 55.6MB in the end (delta: -17.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 119.61ms. Allocated memory is still 96.5MB. Free memory was 55.6MB in the beginning and 49.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~64(currentRoundingMode, ~Pluszero~64(), ~Pluszero~64()) == ~x) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.add~64(currentRoundingMode, ~fp.mul~64(currentRoundingMode, ~fp.div~64(currentRoundingMode, ~Pluszero~64(), ~Pluszero~64()), ~fp.div~64(currentRoundingMode, ~Pluszero~64(), ~Pluszero~64())), ~fp.div~64(currentRoundingMode, ~Pluszero~64(), ~Pluszero~64())) == #res) could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-02 23:56:55,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1296e07c-ea54-4d15-97dd-ca65005d5659/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