./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1011a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1011a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 112da6a04a0d664888b974e6cf0a74d18962a27911b7e3a27346d25064b3da05 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:02:54,991 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:55,075 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:02:55,082 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:02:55,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:02:55,132 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:55,133 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:02:55,134 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:02:55,135 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:55,140 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:55,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:55,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:02:55,142 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:02:55,143 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:02:55,144 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:02:55,144 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:55,145 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:02:55,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:55,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:02:55,146 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:02:55,146 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:02:55,147 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:55,148 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:55,148 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:55,149 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:55,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:55,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:55,150 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:55,150 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:55,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:02:55,152 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:02:55,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:02:55,173 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:02:55,173 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_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112da6a04a0d664888b974e6cf0a74d18962a27911b7e3a27346d25064b3da05 [2023-11-24 23:02:55,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:55,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:55,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:55,528 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:55,528 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:55,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/float_req_bl_1011a.c [2023-11-24 23:02:58,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:58,946 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:58,947 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/sv-benchmarks/c/float-newlib/float_req_bl_1011a.c [2023-11-24 23:02:58,955 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/data/47df9678e/6aaf7971d2a8469da4368b966e71e879/FLAG9c4420e7c [2023-11-24 23:02:58,971 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/data/47df9678e/6aaf7971d2a8469da4368b966e71e879 [2023-11-24 23:02:58,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:58,982 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:58,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:58,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:58,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:58,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:58" (1/1) ... [2023-11-24 23:02:58,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42add283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:58, skipping insertion in model container [2023-11-24 23:02:58,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:58" (1/1) ... [2023-11-24 23:02:59,016 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:59,261 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_ea81a3e6-9114-4482-b913-ddc6ffccafc9/sv-benchmarks/c/float-newlib/float_req_bl_1011a.c[1145,1158] [2023-11-24 23:02:59,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:59,281 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:02:59,305 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_ea81a3e6-9114-4482-b913-ddc6ffccafc9/sv-benchmarks/c/float-newlib/float_req_bl_1011a.c[1145,1158] [2023-11-24 23:02:59,306 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:59,324 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:02:59,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:59 WrapperNode [2023-11-24 23:02:59,325 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:59,326 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:59,326 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:02:59,326 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:02:59,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,344 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,368 INFO L138 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2023-11-24 23:02:59,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:59,369 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:02:59,369 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:02:59,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:02:59,379 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,382 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,393 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,395 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,396 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:02:59,400 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:02:59,400 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:02:59,400 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:02:59,401 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:59,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:02:59,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:02:59,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:02:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:02:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:02:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:02:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:02:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:02:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:02:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:02:59,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:02:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:02:59,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:02:59,561 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:59,563 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:59,715 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:59,747 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:02:59,747 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-24 23:02:59,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:59 BoogieIcfgContainer [2023-11-24 23:02:59,749 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:02:59,750 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:02:59,750 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:02:59,762 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:02:59,763 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:59" (1/1) ... [2023-11-24 23:02:59,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:02:59,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:59,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2023-11-24 23:02:59,829 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2023-11-24 23:02:59,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:02:59,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:59,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:59,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:00,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:00,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-24 23:03:00,035 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-24 23:03:00,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:03:00,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:00,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:00,143 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:03:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:00,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:00,313 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:03:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:00,345 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 23:03:00,373 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short9 could not be translated [2023-11-24 23:03:00,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:03:00 ImpRootNode [2023-11-24 23:03:00,381 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:03:00,382 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:03:00,382 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:03:00,383 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:03:00,384 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:59" (3/4) ... [2023-11-24 23:03:00,391 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:03:00,392 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:03:00,394 INFO L158 Benchmark]: Toolchain (without parser) took 1411.31ms. Allocated memory is still 167.8MB. Free memory was 121.1MB in the beginning and 75.8MB in the end (delta: 45.3MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-24 23:03:00,395 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 167.8MB. Free memory is still 138.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:00,396 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.82ms. Allocated memory is still 167.8MB. Free memory was 121.1MB in the beginning and 110.2MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:03:00,397 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.32ms. Allocated memory is still 167.8MB. Free memory was 110.2MB in the beginning and 108.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:00,398 INFO L158 Benchmark]: Boogie Preprocessor took 30.05ms. Allocated memory is still 167.8MB. Free memory was 108.5MB in the beginning and 107.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:03:00,399 INFO L158 Benchmark]: RCFGBuilder took 349.57ms. Allocated memory is still 167.8MB. Free memory was 107.3MB in the beginning and 94.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:03:00,400 INFO L158 Benchmark]: CodeCheck took 631.17ms. Allocated memory is still 167.8MB. Free memory was 94.7MB in the beginning and 76.2MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 23:03:00,406 INFO L158 Benchmark]: Witness Printer took 10.10ms. Allocated memory is still 167.8MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:00,415 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, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 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, 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, 16 NumberOfCodeBlocks, 16 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: 52]: 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 51. Possible FailurePath: [L47] float x = 0.0f; [L48] CALL, EXPR fabs_float(x) [L15] __uint32_t ix; VAL [\old(x)=0, x=0] [L17] ieee_float_shape_type gf_u; [L18] EXPR gf_u.value = (x) [L19] EXPR gf_u.word [L19] EXPR (ix) = gf_u.word [L16-L20] { ieee_float_shape_type gf_u; gf_u.value = (x); (ix) = gf_u.word; } VAL [\old(x)=0, ix=2147483648, x=0] [L22] ieee_float_shape_type sf_u; [L23] EXPR sf_u.word = (ix & 0x7fffffff) [L24] EXPR sf_u.value [L24] EXPR (x) = sf_u.value [L21-L25] { ieee_float_shape_type sf_u; sf_u.word = (ix & 0x7fffffff); (x) = sf_u.value; } VAL [\old(x)=0, ix=2147483648, x=2] [L26] return x; [L48] RET, EXPR fabs_float(x) [L48] float res = fabs_float(x); [L51] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [res=2, x=0] [L51] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L52] reach_error() VAL [res=2, x=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 167.8MB. Free memory is still 138.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.82ms. Allocated memory is still 167.8MB. Free memory was 121.1MB in the beginning and 110.2MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.32ms. Allocated memory is still 167.8MB. Free memory was 110.2MB in the beginning and 108.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.05ms. Allocated memory is still 167.8MB. Free memory was 108.5MB in the beginning and 107.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 349.57ms. Allocated memory is still 167.8MB. Free memory was 107.3MB in the beginning and 94.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 631.17ms. Allocated memory is still 167.8MB. Free memory was 94.7MB in the beginning and 76.2MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 10.10ms. Allocated memory is still 167.8MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short9 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 [2023-11-24 23:03:00,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1011a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 112da6a04a0d664888b974e6cf0a74d18962a27911b7e3a27346d25064b3da05 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:03:03,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:03:03,403 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:03:03,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:03:03,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:03:03,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:03:03,463 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:03:03,463 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:03:03,465 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:03:03,470 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:03:03,470 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:03:03,471 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:03:03,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:03:03,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:03:03,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:03:03,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:03:03,475 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:03:03,475 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:03:03,476 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:03:03,477 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:03:03,478 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:03:03,478 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:03:03,479 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:03:03,479 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:03:03,480 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:03:03,480 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:03:03,481 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:03:03,481 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:03:03,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:03,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:03:03,484 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:03:03,484 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:03:03,485 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:03:03,485 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:03:03,486 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:03:03,486 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:03:03,486 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:03:03,486 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_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112da6a04a0d664888b974e6cf0a74d18962a27911b7e3a27346d25064b3da05 [2023-11-24 23:03:03,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:03:04,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:03:04,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:03:04,030 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:03:04,031 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:03:04,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/float_req_bl_1011a.c [2023-11-24 23:03:07,253 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:03:07,552 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:03:07,552 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/sv-benchmarks/c/float-newlib/float_req_bl_1011a.c [2023-11-24 23:03:07,560 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/data/cfab484da/36b79e3c4f5747eeb625516ced60df0c/FLAG68a564f29 [2023-11-24 23:03:07,857 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/data/cfab484da/36b79e3c4f5747eeb625516ced60df0c [2023-11-24 23:03:07,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:03:07,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:03:07,869 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:07,869 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:03:07,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:03:07,875 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:07" (1/1) ... [2023-11-24 23:03:07,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28f3e9e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:07, skipping insertion in model container [2023-11-24 23:03:07,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:07" (1/1) ... [2023-11-24 23:03:07,905 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:03:08,136 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_ea81a3e6-9114-4482-b913-ddc6ffccafc9/sv-benchmarks/c/float-newlib/float_req_bl_1011a.c[1145,1158] [2023-11-24 23:03:08,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:08,159 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:03:08,194 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_ea81a3e6-9114-4482-b913-ddc6ffccafc9/sv-benchmarks/c/float-newlib/float_req_bl_1011a.c[1145,1158] [2023-11-24 23:03:08,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:08,219 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:03:08,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:08 WrapperNode [2023-11-24 23:03:08,220 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:08,221 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:08,222 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:03:08,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:03:08,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:08" (1/1) ... [2023-11-24 23:03:08,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:08" (1/1) ... [2023-11-24 23:03:08,328 INFO L138 Inliner]: procedures = 20, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2023-11-24 23:03:08,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:08,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:03:08,330 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:03:08,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:03:08,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:08" (1/1) ... [2023-11-24 23:03:08,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:08" (1/1) ... [2023-11-24 23:03:08,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:08" (1/1) ... [2023-11-24 23:03:08,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:08" (1/1) ... [2023-11-24 23:03:08,362 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:08" (1/1) ... [2023-11-24 23:03:08,366 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:08" (1/1) ... [2023-11-24 23:03:08,368 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:08" (1/1) ... [2023-11-24 23:03:08,370 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:08" (1/1) ... [2023-11-24 23:03:08,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:03:08,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:03:08,375 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:03:08,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:03:08,376 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:08" (1/1) ... [2023-11-24 23:03:08,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:08,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:03:08,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:03:08,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:03:08,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:03:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:03:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:03:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-24 23:03:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:03:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:03:08,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:03:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-24 23:03:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:03:08,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:03:08,555 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:03:08,561 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:03:08,822 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:03:08,852 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:03:08,853 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-24 23:03:08,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:08 BoogieIcfgContainer [2023-11-24 23:03:08,855 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:03:08,856 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:03:08,856 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:03:08,867 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:03:08,868 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:08" (1/1) ... [2023-11-24 23:03:08,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:03:08,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:08,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2023-11-24 23:03:08,952 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2023-11-24 23:03:08,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:03:08,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:08,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:03:08,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:03:08,962 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:03:08,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:03:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:09,080 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:03:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:09,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:03:09,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:09,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:09,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 23:03:09,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:09,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-24 23:03:09,152 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-24 23:03:09,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:03:09,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:09,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:03:09,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:03:09,155 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:03:09,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 23:03:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:09,340 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:03:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:09,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:03:09,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:09,499 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 [2023-11-24 23:03:09,602 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 49 treesize of output 25 [2023-11-24 23:03:09,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:09,652 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:03:09,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:03:09,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:09,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2023-11-24 23:03:09,842 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2023-11-24 23:03:09,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:03:09,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:09,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:03:09,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:03:09,847 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:03:09,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 23:03:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:10,009 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:03:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:10,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:03:10,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:10,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:10,042 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:03:10,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:03:10,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:10,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 15 states and 14 transitions. [2023-11-24 23:03:10,059 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2023-11-24 23:03:10,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:03:10,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:10,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:03:10,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:03:10,064 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:03:10,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 23:03:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:10,292 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:03:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:10,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 23:03:10,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:10,373 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 13 treesize of output 9 [2023-11-24 23:03:10,720 INFO L349 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2023-11-24 23:03:10,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 49 [2023-11-24 23:03:10,733 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-24 23:03:10,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 30 [2023-11-24 23:03:10,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:10,900 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:03:10,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-24 23:03:12,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:12,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2023-11-24 23:03:12,054 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2023-11-24 23:03:12,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:03:12,055 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-24 23:03:12,063 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 23:03:12,132 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2023-11-24 23:03:12,138 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18 : bv32, ULTIMATE.start_fabs_float_~ix~0#1 : bv32 :: (~fp.eq~32(~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][22:0]), ~Pluszero~32()) && ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1) == #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32]) && ~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][22:0]) == ~x) could not be translated [2023-11-24 23:03:12,140 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:03:12,142 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2023-11-24 23:03:12,143 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_fabs_float_~ix~0#1 : bv32 :: ~fp.eq~32(~fp~32(~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[31:31], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[30:23], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[22:0]), ~Pluszero~32()) && ~fp~32(~w~0[31:31], ~w~0[30:23], ~w~0[22:0]) == ~fp~32(~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[31:31], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[30:23], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[22:0])) could not be translated [2023-11-24 23:03:12,143 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-24 23:03:12,144 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2023-11-24 23:03:12,145 INFO L560 CodeCheckObserver]: Invariant with dag size 20 [2023-11-24 23:03:12,146 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18 : bv32, ULTIMATE.start_fabs_float_~ix~0#1 : bv32 :: ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1) == #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32] && ~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][22:0]) == ~x) could not be translated [2023-11-24 23:03:12,146 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2023-11-24 23:03:12,147 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2023-11-24 23:03:12,148 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13 : bv32 :: #memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32] == ~ix~0 && ~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32][22:0]) == ~Pluszero~32()) could not be translated [2023-11-24 23:03:12,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:03:12 ImpRootNode [2023-11-24 23:03:12,149 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:03:12,150 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:03:12,151 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:03:12,151 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:03:12,151 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:08" (3/4) ... [2023-11-24 23:03:12,154 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:03:12,165 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-24 23:03:12,165 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-24 23:03:12,166 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-24 23:03:12,166 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:03:12,274 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:03:12,275 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:03:12,275 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:03:12,276 INFO L158 Benchmark]: Toolchain (without parser) took 4410.98ms. Allocated memory was 67.1MB in the beginning and 104.9MB in the end (delta: 37.7MB). Free memory was 43.2MB in the beginning and 60.9MB in the end (delta: -17.7MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2023-11-24 23:03:12,276 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 67.1MB. Free memory is still 42.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:12,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.38ms. Allocated memory is still 67.1MB. Free memory was 43.1MB in the beginning and 31.8MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:03:12,277 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.90ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 31.8MB in the beginning and 64.6MB in the end (delta: -32.8MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2023-11-24 23:03:12,278 INFO L158 Benchmark]: Boogie Preprocessor took 43.80ms. Allocated memory is still 86.0MB. Free memory was 64.6MB in the beginning and 63.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:12,278 INFO L158 Benchmark]: RCFGBuilder took 480.48ms. Allocated memory is still 86.0MB. Free memory was 62.9MB in the beginning and 50.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:03:12,279 INFO L158 Benchmark]: CodeCheck took 3293.08ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 50.3MB in the beginning and 65.2MB in the end (delta: -14.9MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2023-11-24 23:03:12,280 INFO L158 Benchmark]: Witness Printer took 124.76ms. Allocated memory is still 104.9MB. Free memory was 65.2MB in the beginning and 60.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:03:12,287 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, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 123 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 87 IncrementalHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 54 mSDtfsCounter, 87 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 257 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 35 ConstructedInterpolants, 8 QuantifiedInterpolants, 332 SizeOfPredicates, 16 NumberOfNonLiveVariables, 189 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 52]: 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: 32]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 67.1MB. Free memory is still 42.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.38ms. Allocated memory is still 67.1MB. Free memory was 43.1MB in the beginning and 31.8MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.90ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 31.8MB in the beginning and 64.6MB in the end (delta: -32.8MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.80ms. Allocated memory is still 86.0MB. Free memory was 64.6MB in the beginning and 63.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 480.48ms. Allocated memory is still 86.0MB. Free memory was 62.9MB in the beginning and 50.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 3293.08ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 50.3MB in the beginning and 65.2MB in the end (delta: -14.9MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Witness Printer took 124.76ms. Allocated memory is still 104.9MB. Free memory was 65.2MB in the beginning and 60.9MB in the end (delta: 4.2MB). 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_fabs_float_~#sf_u~0#1.base_18 : bv32, ULTIMATE.start_fabs_float_~ix~0#1 : bv32 :: (~fp.eq~32(~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][22:0]), ~Pluszero~32()) && ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1) == #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32]) && ~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][22:0]) == ~x) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_fabs_float_~ix~0#1 : bv32 :: ~fp.eq~32(~fp~32(~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[31:31], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[30:23], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[22:0]), ~Pluszero~32()) && ~fp~32(~w~0[31:31], ~w~0[30:23], ~w~0[22:0]) == ~fp~32(~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[31:31], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[30:23], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[22:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18 : bv32, ULTIMATE.start_fabs_float_~ix~0#1 : bv32 :: ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1) == #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32] && ~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][22:0]) == ~x) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13 : bv32 :: #memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32] == ~ix~0 && ~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32][22:0]) == ~Pluszero~32()) could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-24 23:03:12,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea81a3e6-9114-4482-b913-ddc6ffccafc9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE