./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1300.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/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_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1300.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/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_1d8f4604-9308-421c-9b5d-eb49cd932c4c/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 70dcbfd71e657ebb73c2a6863351c66fa81e26e34ca397217ae05e2d3c176a8d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:47:28,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:47:28,920 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:47:28,924 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:47:28,924 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:47:28,947 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:47:28,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:47:28,949 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:47:28,950 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:47:28,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:47:28,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:47:28,951 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:47:28,952 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:47:28,952 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:47:28,953 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:47:28,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:47:28,954 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:47:28,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:47:28,955 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:47:28,955 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:47:28,956 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:47:28,956 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:47:28,957 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:47:28,957 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:47:28,958 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:47:28,958 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:47:28,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:47:28,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:47:28,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:47:28,960 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:47:28,960 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:47:28,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:47:28,961 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:47:28,961 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_1d8f4604-9308-421c-9b5d-eb49cd932c4c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70dcbfd71e657ebb73c2a6863351c66fa81e26e34ca397217ae05e2d3c176a8d [2023-12-02 21:47:29,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:47:29,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:47:29,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:47:29,213 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:47:29,213 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:47:29,214 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_1300.c [2023-12-02 21:47:31,993 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:47:32,159 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:47:32,159 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/sv-benchmarks/c/float-newlib/double_req_bl_1300.c [2023-12-02 21:47:32,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/data/bd8c1952a/c8130061e68a428e8291379607fe2efa/FLAG4404fe490 [2023-12-02 21:47:32,180 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/data/bd8c1952a/c8130061e68a428e8291379607fe2efa [2023-12-02 21:47:32,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:47:32,185 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:47:32,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:47:32,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:47:32,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:47:32,193 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:47:32" (1/1) ... [2023-12-02 21:47:32,194 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f3acb72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:32, skipping insertion in model container [2023-12-02 21:47:32,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:47:32" (1/1) ... [2023-12-02 21:47:32,219 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:47:32,372 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_1d8f4604-9308-421c-9b5d-eb49cd932c4c/sv-benchmarks/c/float-newlib/double_req_bl_1300.c[1563,1576] [2023-12-02 21:47:32,377 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:47:32,387 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:47:32,414 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_1d8f4604-9308-421c-9b5d-eb49cd932c4c/sv-benchmarks/c/float-newlib/double_req_bl_1300.c[1563,1576] [2023-12-02 21:47:32,415 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:47:32,432 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:47:32,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:32 WrapperNode [2023-12-02 21:47:32,433 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:47:32,434 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:47:32,434 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:47:32,434 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:47:32,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:32" (1/1) ... [2023-12-02 21:47:32,450 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:32" (1/1) ... [2023-12-02 21:47:32,475 INFO L138 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 107 [2023-12-02 21:47:32,476 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:47:32,476 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:47:32,477 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:47:32,477 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:47:32,485 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:32" (1/1) ... [2023-12-02 21:47:32,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:32" (1/1) ... [2023-12-02 21:47:32,489 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:32" (1/1) ... [2023-12-02 21:47:32,490 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:32" (1/1) ... [2023-12-02 21:47:32,497 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:32" (1/1) ... [2023-12-02 21:47:32,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:32" (1/1) ... [2023-12-02 21:47:32,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:32" (1/1) ... [2023-12-02 21:47:32,505 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:32" (1/1) ... [2023-12-02 21:47:32,508 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:47:32,510 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:47:32,510 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:47:32,510 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:47:32,511 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:32" (1/1) ... [2023-12-02 21:47:32,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:47:32,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:47:32,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:47:32,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:47:32,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:47:32,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:47:32,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:47:32,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 21:47:32,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:47:32,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:47:32,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:47:32,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:47:32,659 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:47:32,662 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:47:32,901 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:47:33,068 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:47:33,068 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-02 21:47:33,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:47:33 BoogieIcfgContainer [2023-12-02 21:47:33,070 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:47:33,071 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:47:33,072 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:47:33,082 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:47:33,082 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:47:33" (1/1) ... [2023-12-02 21:47:33,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:47:33,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:33,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2023-12-02 21:47:33,147 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2023-12-02 21:47:33,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:47:33,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:33,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:33,306 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 21:47:33,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:33,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2023-12-02 21:47:33,348 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2023-12-02 21:47:33,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:47:33,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:33,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:47:33,516 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:47:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:47:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:47:33,707 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:47:33,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:47:33,780 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 21:47:33,805 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret12 could not be translated [2023-12-02 21:47:33,806 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret11 could not be translated [2023-12-02 21:47:33,806 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short13 could not be translated [2023-12-02 21:47:33,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:47:33 ImpRootNode [2023-12-02 21:47:33,811 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:47:33,812 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:47:33,812 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:47:33,812 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:47:33,813 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:47:33" (3/4) ... [2023-12-02 21:47:33,815 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:47:33,816 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:47:33,817 INFO L158 Benchmark]: Toolchain (without parser) took 1632.07ms. Allocated memory is still 153.1MB. Free memory was 116.2MB in the beginning and 69.2MB in the end (delta: 47.0MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2023-12-02 21:47:33,818 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:47:33,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.26ms. Allocated memory is still 153.1MB. Free memory was 116.2MB in the beginning and 105.1MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 21:47:33,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.10ms. Allocated memory is still 153.1MB. Free memory was 105.1MB in the beginning and 103.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:47:33,820 INFO L158 Benchmark]: Boogie Preprocessor took 32.24ms. Allocated memory is still 153.1MB. Free memory was 103.2MB in the beginning and 101.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:47:33,820 INFO L158 Benchmark]: RCFGBuilder took 560.87ms. Allocated memory is still 153.1MB. Free memory was 101.5MB in the beginning and 114.5MB in the end (delta: -12.9MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2023-12-02 21:47:33,821 INFO L158 Benchmark]: CodeCheck took 739.98ms. Allocated memory is still 153.1MB. Free memory was 113.6MB in the beginning and 69.5MB in the end (delta: 44.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-12-02 21:47:33,821 INFO L158 Benchmark]: Witness Printer took 4.38ms. Allocated memory is still 153.1MB. Free memory was 69.5MB in the beginning and 69.2MB in the end (delta: 328.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:47:33,825 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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 9 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, 9 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 51 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, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 61]: 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 60, overapproximation of bitwiseOr at line 27, overapproximation of to_real at line 57. Possible FailurePath: [L52] double x = __VERIFIER_nondet_double(); [L55] CALL, EXPR isinf_double(x) [L19] __int32_t hx, lx; VAL [\old(x)=2, x=2] [L21] ieee_double_shape_type ew_u; [L22] EXPR ew_u.value = (x) [L23] EXPR ew_u.parts.msw [L23] EXPR (hx) = ew_u.parts.msw [L24] EXPR ew_u.parts.lsw [L24] EXPR (lx) = ew_u.parts.lsw [L20-L25] { ieee_double_shape_type ew_u; ew_u.value = (x); (hx) = ew_u.parts.msw; (lx) = ew_u.parts.lsw; } VAL [\old(x)=2, hx=2146442206, lx=0, x=2] [L26] hx &= 0x7fffffff [L27] EXPR lx | (-lx) [L27] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L28] hx = 0x7ff00000 - hx [L29] EXPR hx | (-hx) [L29] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L55] RET, EXPR isinf_double(x) [L55] !isinf_double(x) && !isnan_double(x) [L55] CALL, EXPR isnan_double(x) [L33] return x != x; [L55] RET, EXPR isnan_double(x) [L55] !isinf_double(x) && !isnan_double(x) VAL [x=2] [L55] COND TRUE !isinf_double(x) && !isnan_double(x) [L57] CALL, EXPR isfinite_double(x) [L36] __int32_t hx; VAL [\old(x)=2, x=2] [L38] ieee_double_shape_type gh_u; [L39] EXPR gh_u.value = (x) [L40] EXPR gh_u.parts.msw [L40] EXPR (hx) = gh_u.parts.msw [L37-L41] { ieee_double_shape_type gh_u; gh_u.value = (x); (hx) = gh_u.parts.msw; } VAL [\old(x)=2, hx=2146435072, x=2] [L42] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); [L57] RET, EXPR isfinite_double(x) [L57] double res = isfinite_double(x); [L60] COND TRUE res == 0.0 VAL [x=2] [L61] reach_error() VAL [x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.26ms. Allocated memory is still 153.1MB. Free memory was 116.2MB in the beginning and 105.1MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.10ms. Allocated memory is still 153.1MB. Free memory was 105.1MB in the beginning and 103.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.24ms. Allocated memory is still 153.1MB. Free memory was 103.2MB in the beginning and 101.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 560.87ms. Allocated memory is still 153.1MB. Free memory was 101.5MB in the beginning and 114.5MB in the end (delta: -12.9MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * CodeCheck took 739.98ms. Allocated memory is still 153.1MB. Free memory was 113.6MB in the beginning and 69.5MB in the end (delta: 44.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 4.38ms. Allocated memory is still 153.1MB. Free memory was 69.5MB in the beginning and 69.2MB in the end (delta: 328.1kB). 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~ret12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short13 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 21:47:33,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/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_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1300.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/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_1d8f4604-9308-421c-9b5d-eb49cd932c4c/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 70dcbfd71e657ebb73c2a6863351c66fa81e26e34ca397217ae05e2d3c176a8d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:47:35,793 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:47:35,870 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 21:47:35,898 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:47:35,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:47:35,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:47:35,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:47:35,900 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:47:35,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:47:35,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:47:35,902 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:47:35,903 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:47:35,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:47:35,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:47:35,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:47:35,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:47:35,905 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:47:35,906 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:47:35,906 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:47:35,907 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:47:35,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:47:35,908 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:47:35,909 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:47:35,909 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:47:35,909 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:47:35,910 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:47:35,910 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:47:35,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:47:35,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:47:35,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:47:35,913 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:47:35,913 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:47:35,913 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:47:35,913 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:47:35,914 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:47:35,914 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:47:35,914 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:47:35,914 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_1d8f4604-9308-421c-9b5d-eb49cd932c4c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70dcbfd71e657ebb73c2a6863351c66fa81e26e34ca397217ae05e2d3c176a8d [2023-12-02 21:47:36,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:47:36,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:47:36,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:47:36,241 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:47:36,242 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:47:36,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_1300.c [2023-12-02 21:47:39,079 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:47:39,276 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:47:39,277 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/sv-benchmarks/c/float-newlib/double_req_bl_1300.c [2023-12-02 21:47:39,283 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/data/354e197ee/30f7f7870007461eb8cf4706b23effac/FLAGaa773b7c5 [2023-12-02 21:47:39,295 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/data/354e197ee/30f7f7870007461eb8cf4706b23effac [2023-12-02 21:47:39,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:47:39,299 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:47:39,300 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:47:39,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:47:39,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:47:39,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:47:39" (1/1) ... [2023-12-02 21:47:39,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66406cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:39, skipping insertion in model container [2023-12-02 21:47:39,307 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:47:39" (1/1) ... [2023-12-02 21:47:39,332 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:47:39,506 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_1d8f4604-9308-421c-9b5d-eb49cd932c4c/sv-benchmarks/c/float-newlib/double_req_bl_1300.c[1563,1576] [2023-12-02 21:47:39,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:47:39,525 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:47:39,548 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_1d8f4604-9308-421c-9b5d-eb49cd932c4c/sv-benchmarks/c/float-newlib/double_req_bl_1300.c[1563,1576] [2023-12-02 21:47:39,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:47:39,570 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:47:39,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:39 WrapperNode [2023-12-02 21:47:39,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:47:39,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:47:39,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:47:39,572 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:47:39,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:39" (1/1) ... [2023-12-02 21:47:39,591 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:39" (1/1) ... [2023-12-02 21:47:39,614 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 77 [2023-12-02 21:47:39,614 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:47:39,615 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:47:39,615 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:47:39,615 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:47:39,625 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:39" (1/1) ... [2023-12-02 21:47:39,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:39" (1/1) ... [2023-12-02 21:47:39,630 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:39" (1/1) ... [2023-12-02 21:47:39,630 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:39" (1/1) ... [2023-12-02 21:47:39,667 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:39" (1/1) ... [2023-12-02 21:47:39,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:39" (1/1) ... [2023-12-02 21:47:39,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:39" (1/1) ... [2023-12-02 21:47:39,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:39" (1/1) ... [2023-12-02 21:47:39,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:47:39,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:47:39,701 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:47:39,701 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:47:39,704 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:39" (1/1) ... [2023-12-02 21:47:39,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:47:39,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:47:39,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:47:39,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:47:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:47:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-02 21:47:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:47:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:47:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 21:47:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:47:39,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:47:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:47:39,862 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:47:39,864 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:47:40,698 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:47:40,749 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:47:40,750 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-02 21:47:40,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:47:40 BoogieIcfgContainer [2023-12-02 21:47:40,752 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:47:40,753 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:47:40,753 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:47:40,763 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:47:40,764 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:47:40" (1/1) ... [2023-12-02 21:47:40,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:47:40,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:40,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2023-12-02 21:47:40,824 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2023-12-02 21:47:40,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:47:40,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:40,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:47:40,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:47:40,856 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:47:40,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:47:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:41,010 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:47:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:41,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:47:41,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:41,081 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 21:47:41,084 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:47:41,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:47:41,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:41,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2023-12-02 21:47:41,169 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2023-12-02 21:47:41,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:47:41,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:41,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:47:41,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:47:41,171 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:47:41,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:47:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:41,457 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:47:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:41,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 21:47:41,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:41,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-12-02 21:47:42,705 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 21:47:42,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 44 [2023-12-02 21:48:44,337 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 21:48:44,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 21:50:30,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:50:40,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:50:41,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:41,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-02 21:50:41,008 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-02 21:50:41,008 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 21:50:41,008 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2023-12-02 21:50:41,014 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 21:50:51,644 WARN L293 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 649] de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.computeHoareAnnotation) [2023-12-02 21:51:01,694 WARN L293 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 649] de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.computeHoareAnnotation) [2023-12-02 21:51:01,694 INFO L560 CodeCheckObserver]: Invariant with dag size 42 [2023-12-02 21:51:01,701 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15 : bv32, v_skolemized_q#valueAsBitvector_9 : bv64 :: (((~bvadd~32(~bvneg~32(~bvlshr~32(~bvor~32(~bvadd~32(2146435072bv32, ~bvneg~32(~bvor~32(~bvand~32(2147483647bv32, #memory_int[v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15][4bv32]), ~bvlshr~32(~bvor~32(~bvneg~32(#memory_int[v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15][0bv32]), #memory_int[v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15][0bv32]), 31bv32)))), ~bvneg~32(~bvadd~32(2146435072bv32, ~bvneg~32(~bvor~32(~bvand~32(2147483647bv32, #memory_int[v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15][4bv32]), ~bvlshr~32(~bvor~32(~bvneg~32(#memory_int[v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15][0bv32]), #memory_int[v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15][0bv32]), 31bv32)))))), 31bv32)), 1bv32) == 0bv32 && ~fp.eq~64(~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]), ~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]))) && v_skolemized_q#valueAsBitvector_9[63:32] == #memory_int[v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15][4bv32]) && v_skolemized_q#valueAsBitvector_9[31:0] == #memory_int[v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15][0bv32]) && ~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~x) could not be translated [2023-12-02 21:51:01,701 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-12-02 21:51:01,702 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:51:01,703 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-12-02 21:51:01,705 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-12-02 21:51:01,705 INFO L560 CodeCheckObserver]: Invariant with dag size 28 [2023-12-02 21:51:01,706 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15 : bv32, v_skolemized_q#valueAsBitvector_9 : bv64 :: (((~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~x~0 && ~hx~0 == #memory_int[v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15][4bv32]) && ~lx~0 == #memory_int[v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15][0bv32]) && v_skolemized_q#valueAsBitvector_9[63:32] == #memory_int[v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15][4bv32]) && v_skolemized_q#valueAsBitvector_9[31:0] == #memory_int[v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15][0bv32]) could not be translated [2023-12-02 21:51:01,706 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-12-02 21:51:01,706 INFO L560 CodeCheckObserver]: Invariant with dag size 41 [2023-12-02 21:51:01,707 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_9 : bv64, v_skolemized_q#valueAsBitvector_10 : bv64 :: ((~bvadd~32(~bvneg~32(~bvlshr~32(~bvor~32(~bvneg~32(~bvadd~32(2146435072bv32, ~bvneg~32(~bvor~32(~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_9[63:32]), ~bvlshr~32(~bvor~32(~bvneg~32(v_skolemized_q#valueAsBitvector_9[31:0]), v_skolemized_q#valueAsBitvector_9[31:0]), 31bv32))))), ~bvadd~32(2146435072bv32, ~bvneg~32(~bvor~32(~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_9[63:32]), ~bvlshr~32(~bvor~32(~bvneg~32(v_skolemized_q#valueAsBitvector_9[31:0]), v_skolemized_q#valueAsBitvector_9[31:0]), 31bv32))))), 31bv32)), 1bv32) == 0bv32 && v_skolemized_q#valueAsBitvector_10[63:32] == ~hx~1) && ~fp.eq~64(~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]), ~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]))) && ~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~fp~64(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0])) could not be translated [2023-12-02 21:51:01,708 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-12-02 21:51:01,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:51:01 ImpRootNode [2023-12-02 21:51:01,708 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:51:01,709 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:51:01,709 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:51:01,709 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:51:01,710 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:47:40" (3/4) ... [2023-12-02 21:51:01,712 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 21:51:01,719 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-12-02 21:51:01,719 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-02 21:51:01,720 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 21:51:01,720 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 21:51:01,805 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 21:51:01,805 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 21:51:01,806 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:51:01,807 INFO L158 Benchmark]: Toolchain (without parser) took 202507.51ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 50.3MB in the beginning and 47.9MB in the end (delta: 2.4MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2023-12-02 21:51:01,807 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 73.4MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:51:01,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.01ms. Allocated memory is still 73.4MB. Free memory was 50.1MB in the beginning and 38.5MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:51:01,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.40ms. Allocated memory is still 73.4MB. Free memory was 38.5MB in the beginning and 36.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:51:01,809 INFO L158 Benchmark]: Boogie Preprocessor took 85.40ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 36.7MB in the beginning and 77.9MB in the end (delta: -41.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:51:01,809 INFO L158 Benchmark]: RCFGBuilder took 1051.40ms. Allocated memory is still 98.6MB. Free memory was 77.9MB in the beginning and 62.5MB in the end (delta: 15.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 21:51:01,810 INFO L158 Benchmark]: CodeCheck took 200955.12ms. Allocated memory is still 98.6MB. Free memory was 62.5MB in the beginning and 53.0MB in the end (delta: 9.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 21:51:01,810 INFO L158 Benchmark]: Witness Printer took 96.78ms. Allocated memory is still 98.6MB. Free memory was 53.0MB in the beginning and 47.9MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:51:01,813 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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 180.2s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 13.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 13.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 22 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 128 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 164.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 62.8s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 7 QuantifiedInterpolants, 652 SizeOfPredicates, 15 NumberOfNonLiveVariables, 83 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 61]: 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: 37]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (x == x) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 73.4MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.01ms. Allocated memory is still 73.4MB. Free memory was 50.1MB in the beginning and 38.5MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.40ms. Allocated memory is still 73.4MB. Free memory was 38.5MB in the beginning and 36.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.40ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 36.7MB in the beginning and 77.9MB in the end (delta: -41.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1051.40ms. Allocated memory is still 98.6MB. Free memory was 77.9MB in the beginning and 62.5MB in the end (delta: 15.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 200955.12ms. Allocated memory is still 98.6MB. Free memory was 62.5MB in the beginning and 53.0MB in the end (delta: 9.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 96.78ms. Allocated memory is still 98.6MB. Free memory was 53.0MB in the beginning and 47.9MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15 : bv32, v_skolemized_q#valueAsBitvector_9 : bv64 :: (((~bvadd~32(~bvneg~32(~bvlshr~32(~bvor~32(~bvadd~32(2146435072bv32, ~bvneg~32(~bvor~32(~bvand~32(2147483647bv32, #memory_int[v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15][4bv32]), ~bvlshr~32(~bvor~32(~bvneg~32(#memory_int[v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15][0bv32]), #memory_int[v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15][0bv32]), 31bv32)))), ~bvneg~32(~bvadd~32(2146435072bv32, ~bvneg~32(~bvor~32(~bvand~32(2147483647bv32, #memory_int[v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15][4bv32]), ~bvlshr~32(~bvor~32(~bvneg~32(#memory_int[v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15][0bv32]), #memory_int[v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15][0bv32]), 31bv32)))))), 31bv32)), 1bv32) == 0bv32 && ~fp.eq~64(~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]), ~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]))) && v_skolemized_q#valueAsBitvector_9[63:32] == #memory_int[v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15][4bv32]) && v_skolemized_q#valueAsBitvector_9[31:0] == #memory_int[v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15][0bv32]) && ~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~x) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15 : bv32, v_skolemized_q#valueAsBitvector_9 : bv64 :: (((~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~x~0 && ~hx~0 == #memory_int[v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15][4bv32]) && ~lx~0 == #memory_int[v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15][0bv32]) && v_skolemized_q#valueAsBitvector_9[63:32] == #memory_int[v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15][4bv32]) && v_skolemized_q#valueAsBitvector_9[31:0] == #memory_int[v_ULTIMATE.start_isinf_double_~#ew_u~0#1.base_15][0bv32]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_9 : bv64, v_skolemized_q#valueAsBitvector_10 : bv64 :: ((~bvadd~32(~bvneg~32(~bvlshr~32(~bvor~32(~bvneg~32(~bvadd~32(2146435072bv32, ~bvneg~32(~bvor~32(~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_9[63:32]), ~bvlshr~32(~bvor~32(~bvneg~32(v_skolemized_q#valueAsBitvector_9[31:0]), v_skolemized_q#valueAsBitvector_9[31:0]), 31bv32))))), ~bvadd~32(2146435072bv32, ~bvneg~32(~bvor~32(~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_9[63:32]), ~bvlshr~32(~bvor~32(~bvneg~32(v_skolemized_q#valueAsBitvector_9[31:0]), v_skolemized_q#valueAsBitvector_9[31:0]), 31bv32))))), 31bv32)), 1bv32) == 0bv32 && v_skolemized_q#valueAsBitvector_10[63:32] == ~hx~1) && ~fp.eq~64(~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]), ~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]))) && ~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~fp~64(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-02 21:51:02,026 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 21:51:02,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d8f4604-9308-421c-9b5d-eb49cd932c4c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE