./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0740.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0740.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL --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 572c7cb96a3cac2508d636eadb6e6d621d12dc30df0412537cec32d2105ec801 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:36:12,306 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:36:12,382 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:36:12,388 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:36:12,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:36:12,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:36:12,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:36:12,415 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:36:12,415 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:36:12,416 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:36:12,417 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:36:12,417 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:36:12,418 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:36:12,418 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:36:12,419 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:36:12,419 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:36:12,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:36:12,421 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:36:12,421 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:36:12,422 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:36:12,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:36:12,423 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:36:12,423 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:36:12,424 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:36:12,425 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:36:12,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:36:12,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:36:12,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:36:12,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:36:12,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:36:12,428 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:36:12,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:36:12,429 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:36:12,429 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_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572c7cb96a3cac2508d636eadb6e6d621d12dc30df0412537cec32d2105ec801 [2023-11-19 02:36:12,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:36:12,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:36:12,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:36:12,791 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:36:12,792 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:36:12,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_0740.c [2023-11-19 02:36:15,838 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:36:16,098 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:36:16,099 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/sv-benchmarks/c/float-newlib/float_req_bl_0740.c [2023-11-19 02:36:16,109 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/data/db53e73ec/da04675d4f834b5c9fa4be5095f7c7f5/FLAGdb0f79b73 [2023-11-19 02:36:16,129 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/data/db53e73ec/da04675d4f834b5c9fa4be5095f7c7f5 [2023-11-19 02:36:16,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:36:16,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:36:16,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:36:16,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:36:16,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:36:16,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:36:16" (1/1) ... [2023-11-19 02:36:16,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ca8c15f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:16, skipping insertion in model container [2023-11-19 02:36:16,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:36:16" (1/1) ... [2023-11-19 02:36:16,180 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:36:16,392 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_07473d6b-9bd3-43f9-b672-ba923908d39f/sv-benchmarks/c/float-newlib/float_req_bl_0740.c[1930,1943] [2023-11-19 02:36:16,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:36:16,404 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:36:16,432 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_07473d6b-9bd3-43f9-b672-ba923908d39f/sv-benchmarks/c/float-newlib/float_req_bl_0740.c[1930,1943] [2023-11-19 02:36:16,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:36:16,448 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:36:16,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:16 WrapperNode [2023-11-19 02:36:16,449 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:36:16,450 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:36:16,450 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:36:16,451 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:36:16,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:16" (1/1) ... [2023-11-19 02:36:16,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:16" (1/1) ... [2023-11-19 02:36:16,510 INFO L138 Inliner]: procedures = 17, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 136 [2023-11-19 02:36:16,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:36:16,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:36:16,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:36:16,511 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:36:16,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:16" (1/1) ... [2023-11-19 02:36:16,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:16" (1/1) ... [2023-11-19 02:36:16,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:16" (1/1) ... [2023-11-19 02:36:16,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:16" (1/1) ... [2023-11-19 02:36:16,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:16" (1/1) ... [2023-11-19 02:36:16,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:16" (1/1) ... [2023-11-19 02:36:16,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:16" (1/1) ... [2023-11-19 02:36:16,552 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:16" (1/1) ... [2023-11-19 02:36:16,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:36:16,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:36:16,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:36:16,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:36:16,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:16" (1/1) ... [2023-11-19 02:36:16,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:36:16,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:36:16,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:36:16,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:36:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:36:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:36:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:36:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 02:36:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:36:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 02:36:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:36:16,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:36:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:36:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:36:16,784 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:36:16,786 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:36:17,104 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:36:17,288 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:36:17,288 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 02:36:17,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:36:17 BoogieIcfgContainer [2023-11-19 02:36:17,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:36:17,295 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:36:17,295 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:36:17,309 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:36:17,309 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:36:17" (1/1) ... [2023-11-19 02:36:17,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:36:17,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:17,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2023-11-19 02:36:17,390 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2023-11-19 02:36:17,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:36:17,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:17,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:17,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:17,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:17,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-11-19 02:36:17,587 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-11-19 02:36:17,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:36:17,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:17,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:36:17,672 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:36:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:36:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:36:17,753 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:36:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:36:17,783 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 02:36:17,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:36:17 ImpRootNode [2023-11-19 02:36:17,807 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:36:17,807 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:36:17,807 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:36:17,808 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:36:17,808 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:36:17" (3/4) ... [2023-11-19 02:36:17,810 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:36:17,811 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:36:17,812 INFO L158 Benchmark]: Toolchain (without parser) took 1678.15ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 74.9MB in the beginning and 94.6MB in the end (delta: -19.6MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2023-11-19 02:36:17,813 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 136.3MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:36:17,814 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.12ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 74.8MB in the beginning and 143.7MB in the end (delta: -68.9MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-11-19 02:36:17,814 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.00ms. Allocated memory is still 178.3MB. Free memory was 143.7MB in the beginning and 141.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:36:17,815 INFO L158 Benchmark]: Boogie Preprocessor took 44.16ms. Allocated memory is still 178.3MB. Free memory was 141.3MB in the beginning and 139.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:36:17,816 INFO L158 Benchmark]: RCFGBuilder took 737.59ms. Allocated memory is still 178.3MB. Free memory was 139.5MB in the beginning and 115.5MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 02:36:17,816 INFO L158 Benchmark]: CodeCheck took 512.16ms. Allocated memory is still 178.3MB. Free memory was 115.5MB in the beginning and 94.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 02:36:17,817 INFO L158 Benchmark]: Witness Printer took 4.01ms. Allocated memory is still 178.3MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:36:17,820 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, 22 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, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 2 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, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 99]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someBinaryArithmeticFLOAToperation at line 32. Possible FailurePath: [L17] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L93] float x = -1.0f / 0.0f; [L95] CALL, EXPR __ieee754_sqrtf(x) [L20] float z; [L21] __uint32_t r, hx; [L22] __int32_t ix, s, q, m, t, i; VAL [\old(x)=2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L25] ieee_float_shape_type gf_u; [L26] EXPR gf_u.value = (x) [L27] EXPR gf_u.word [L27] EXPR (ix) = gf_u.word [L24-L28] { ieee_float_shape_type gf_u; gf_u.value = (x); (ix) = gf_u.word; } VAL [\old(x)=2, ix=2139095040, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L29] hx = ix & 0x7fffffff VAL [\old(x)=2, hx=2139095040, ix=2139095040, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L31] COND TRUE !((hx) < 0x7f800000L) [L32] return x * x + x; VAL [\old(x)=2, hx=2139095040, ix=2139095040, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L95] RET, EXPR __ieee754_sqrtf(x) [L95] float res = __ieee754_sqrtf(x); [L98] CALL, EXPR isnan_float(res) [L15] return x != x; [L98] RET, EXPR isnan_float(res) [L98] COND TRUE !isnan_float(res) [L99] reach_error() VAL [one_sqrt=1, res=5, tiny_sqrt=1/1000000000000000000000000000000, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 136.3MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.12ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 74.8MB in the beginning and 143.7MB in the end (delta: -68.9MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.00ms. Allocated memory is still 178.3MB. Free memory was 143.7MB in the beginning and 141.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.16ms. Allocated memory is still 178.3MB. Free memory was 141.3MB in the beginning and 139.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 737.59ms. Allocated memory is still 178.3MB. Free memory was 139.5MB in the beginning and 115.5MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 512.16ms. Allocated memory is still 178.3MB. Free memory was 115.5MB in the beginning and 94.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 4.01ms. Allocated memory is still 178.3MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:36:17,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/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_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0740.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL --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 572c7cb96a3cac2508d636eadb6e6d621d12dc30df0412537cec32d2105ec801 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:36:20,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:36:20,552 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:36:20,609 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:36:20,610 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:36:20,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:36:20,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:36:20,613 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:36:20,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:36:20,621 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:36:20,621 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:36:20,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:36:20,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:36:20,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:36:20,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:36:20,625 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:36:20,625 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:36:20,626 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:36:20,626 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:36:20,627 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:36:20,628 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:36:20,628 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:36:20,629 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:36:20,629 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:36:20,630 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:36:20,630 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:36:20,630 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:36:20,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:36:20,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:36:20,632 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:36:20,633 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:36:20,633 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:36:20,634 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:36:20,634 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:36:20,634 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:36:20,635 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:36:20,635 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:36:20,635 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_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572c7cb96a3cac2508d636eadb6e6d621d12dc30df0412537cec32d2105ec801 [2023-11-19 02:36:21,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:36:21,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:36:21,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:36:21,064 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:36:21,066 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:36:21,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_0740.c [2023-11-19 02:36:24,183 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:36:24,454 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:36:24,455 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/sv-benchmarks/c/float-newlib/float_req_bl_0740.c [2023-11-19 02:36:24,463 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/data/70bcab353/69cc1078a50d4e19817d2eaef8df4f55/FLAG050b0017d [2023-11-19 02:36:24,488 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/data/70bcab353/69cc1078a50d4e19817d2eaef8df4f55 [2023-11-19 02:36:24,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:36:24,496 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:36:24,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:36:24,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:36:24,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:36:24,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:36:24" (1/1) ... [2023-11-19 02:36:24,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@452a25ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:24, skipping insertion in model container [2023-11-19 02:36:24,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:36:24" (1/1) ... [2023-11-19 02:36:24,538 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:36:24,776 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_07473d6b-9bd3-43f9-b672-ba923908d39f/sv-benchmarks/c/float-newlib/float_req_bl_0740.c[1930,1943] [2023-11-19 02:36:24,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:36:24,800 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:36:24,852 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_07473d6b-9bd3-43f9-b672-ba923908d39f/sv-benchmarks/c/float-newlib/float_req_bl_0740.c[1930,1943] [2023-11-19 02:36:24,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:36:24,884 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:36:24,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:24 WrapperNode [2023-11-19 02:36:24,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:36:24,887 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:36:24,887 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:36:24,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:36:24,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:24" (1/1) ... [2023-11-19 02:36:24,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:24" (1/1) ... [2023-11-19 02:36:24,957 INFO L138 Inliner]: procedures = 20, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 115 [2023-11-19 02:36:24,957 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:36:24,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:36:24,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:36:24,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:36:24,967 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:24" (1/1) ... [2023-11-19 02:36:24,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:24" (1/1) ... [2023-11-19 02:36:24,990 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:24" (1/1) ... [2023-11-19 02:36:24,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:24" (1/1) ... [2023-11-19 02:36:25,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:24" (1/1) ... [2023-11-19 02:36:25,015 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:24" (1/1) ... [2023-11-19 02:36:25,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:24" (1/1) ... [2023-11-19 02:36:25,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:24" (1/1) ... [2023-11-19 02:36:25,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:36:25,031 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:36:25,031 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:36:25,031 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:36:25,032 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:24" (1/1) ... [2023-11-19 02:36:25,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:36:25,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:36:25,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:36:25,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:36:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:36:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:36:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:36:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 02:36:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:36:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:36:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:36:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 02:36:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:36:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:36:25,314 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:36:25,316 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:36:25,962 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:36:26,089 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:36:26,095 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 02:36:26,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:36:26 BoogieIcfgContainer [2023-11-19 02:36:26,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:36:26,103 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:36:26,104 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:36:26,114 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:36:26,115 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:36:26" (1/1) ... [2023-11-19 02:36:26,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:36:26,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:26,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-19 02:36:26,192 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-19 02:36:26,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:36:26,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:26,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:36:26,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:36:26,202 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:36:26,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:36:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:26,440 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:36:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:26,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:36:26,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:26,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:26,505 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:36:26,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 02:36:26,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:26,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-11-19 02:36:26,551 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-11-19 02:36:26,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:36:26,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:26,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:36:26,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:36:26,558 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:36:26,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 02:36:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:26,973 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:36:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:27,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:36:27,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:27,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:27,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 02:36:30,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-19 02:36:31,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:31,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-11-19 02:36:31,044 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-11-19 02:36:31,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:36:31,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:31,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:36:31,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:36:31,046 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:36:31,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 02:36:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:31,271 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:36:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:31,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:36:31,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:31,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 02:36:31,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2023-11-19 02:36:31,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:36:31,753 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:36:31,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 02:36:33,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:33,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2023-11-19 02:36:33,844 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2023-11-19 02:36:33,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:36:33,845 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-11-19 02:36:33,854 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 02:36:33,981 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2023-11-19 02:36:33,986 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:36:33,987 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2023-11-19 02:36:33,990 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: #res == ~fp.add~32(currentRoundingMode, ~fp.mul~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32())), ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()))) could not be translated [2023-11-19 02:36:33,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:36:33 ImpRootNode [2023-11-19 02:36:33,992 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:36:33,992 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:36:33,992 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:36:33,993 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:36:33,993 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:36:26" (3/4) ... [2023-11-19 02:36:33,995 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:36:34,005 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-19 02:36:34,005 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 02:36:34,006 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 02:36:34,006 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:36:34,132 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:36:34,132 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:36:34,132 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:36:34,133 INFO L158 Benchmark]: Toolchain (without parser) took 9637.61ms. Allocated memory was 86.0MB in the beginning and 117.4MB in the end (delta: 31.5MB). Free memory was 62.2MB in the beginning and 64.7MB in the end (delta: -2.5MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2023-11-19 02:36:34,134 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 86.0MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:36:34,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.08ms. Allocated memory is still 86.0MB. Free memory was 62.0MB in the beginning and 49.6MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:36:34,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.89ms. Allocated memory is still 86.0MB. Free memory was 49.6MB in the beginning and 47.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:36:34,136 INFO L158 Benchmark]: Boogie Preprocessor took 72.27ms. Allocated memory is still 86.0MB. Free memory was 47.7MB in the beginning and 45.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:36:34,137 INFO L158 Benchmark]: RCFGBuilder took 1071.65ms. Allocated memory is still 86.0MB. Free memory was 45.8MB in the beginning and 46.1MB in the end (delta: -256.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 02:36:34,137 INFO L158 Benchmark]: CodeCheck took 7888.21ms. Allocated memory was 86.0MB in the beginning and 117.4MB in the end (delta: 31.5MB). Free memory was 46.1MB in the beginning and 69.6MB in the end (delta: -23.6MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2023-11-19 02:36:34,138 INFO L158 Benchmark]: Witness Printer took 140.30ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 64.7MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 02:36:34,140 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 78 SdHoareTripleChecker+Valid, 7.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 6.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 45 mSDtfsCounter, 65 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 187 GetRequests, 168 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 5 QuantifiedInterpolants, 164 SizeOfPredicates, 15 NumberOfNonLiveVariables, 106 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: 99]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 86.0MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.08ms. Allocated memory is still 86.0MB. Free memory was 62.0MB in the beginning and 49.6MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.89ms. Allocated memory is still 86.0MB. Free memory was 49.6MB in the beginning and 47.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 72.27ms. Allocated memory is still 86.0MB. Free memory was 47.7MB in the beginning and 45.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1071.65ms. Allocated memory is still 86.0MB. Free memory was 45.8MB in the beginning and 46.1MB in the end (delta: -256.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 7888.21ms. Allocated memory was 86.0MB in the beginning and 117.4MB in the end (delta: 31.5MB). Free memory was 46.1MB in the beginning and 69.6MB in the end (delta: -23.6MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Witness Printer took 140.30ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 64.7MB in the end (delta: 4.9MB). 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 :: #res == ~fp.add~32(currentRoundingMode, ~fp.mul~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32())), ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()))) could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-19 02:36:34,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07473d6b-9bd3-43f9-b672-ba923908d39f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE