./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1031.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_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1031.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 635b3a6bb693049216965e64098ae1bc2a282d094f3ff6d9621a11efee2ca89f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:57:29,250 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:57:29,324 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:57:29,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:57:29,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:57:29,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:57:29,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:57:29,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:57:29,356 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:57:29,357 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:57:29,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:57:29,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:57:29,359 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:57:29,359 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:57:29,360 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:57:29,360 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:57:29,361 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:57:29,361 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:57:29,362 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:57:29,362 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:57:29,363 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:57:29,366 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:57:29,366 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:57:29,367 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:57:29,367 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:57:29,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:57:29,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:57:29,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:57:29,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:57:29,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:57:29,370 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:57:29,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:57:29,371 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:57:29,371 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_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 635b3a6bb693049216965e64098ae1bc2a282d094f3ff6d9621a11efee2ca89f [2023-12-03 02:57:29,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:57:29,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:57:29,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:57:29,634 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:57:29,634 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:57:29,636 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_1031.c [2023-12-03 02:57:32,533 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:57:32,711 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:57:32,712 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/sv-benchmarks/c/float-newlib/float_req_bl_1031.c [2023-12-03 02:57:32,720 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/data/97171cbc4/6134c46dc9f648f59643a132fb1b6b06/FLAGb23aac9f8 [2023-12-03 02:57:32,736 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/data/97171cbc4/6134c46dc9f648f59643a132fb1b6b06 [2023-12-03 02:57:32,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:57:32,740 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:57:32,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:57:32,742 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:57:32,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:57:32,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:57:32" (1/1) ... [2023-12-03 02:57:32,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e52cf3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:32, skipping insertion in model container [2023-12-03 02:57:32,749 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:57:32" (1/1) ... [2023-12-03 02:57:32,771 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:57:32,952 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_87293505-6a73-42b7-ad8c-969486bf9b02/sv-benchmarks/c/float-newlib/float_req_bl_1031.c[1571,1584] [2023-12-03 02:57:32,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:57:32,969 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:57:32,994 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_87293505-6a73-42b7-ad8c-969486bf9b02/sv-benchmarks/c/float-newlib/float_req_bl_1031.c[1571,1584] [2023-12-03 02:57:32,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:57:33,009 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:57:33,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:33 WrapperNode [2023-12-03 02:57:33,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:57:33,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:57:33,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:57:33,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:57:33,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:33" (1/1) ... [2023-12-03 02:57:33,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:33" (1/1) ... [2023-12-03 02:57:33,054 INFO L138 Inliner]: procedures = 16, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 111 [2023-12-03 02:57:33,054 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:57:33,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:57:33,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:57:33,056 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:57:33,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:33" (1/1) ... [2023-12-03 02:57:33,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:33" (1/1) ... [2023-12-03 02:57:33,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:33" (1/1) ... [2023-12-03 02:57:33,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:33" (1/1) ... [2023-12-03 02:57:33,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:33" (1/1) ... [2023-12-03 02:57:33,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:33" (1/1) ... [2023-12-03 02:57:33,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:33" (1/1) ... [2023-12-03 02:57:33,086 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:33" (1/1) ... [2023-12-03 02:57:33,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:57:33,090 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:57:33,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:57:33,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:57:33,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:33" (1/1) ... [2023-12-03 02:57:33,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:57:33,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:57:33,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:57:33,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:57:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:57:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:57:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:57:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-03 02:57:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:57:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-03 02:57:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:57:33,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:57:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:57:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:57:33,250 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:57:33,252 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:57:33,495 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:57:33,658 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:57:33,659 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-03 02:57:33,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:57:33 BoogieIcfgContainer [2023-12-03 02:57:33,661 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:57:33,662 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:57:33,662 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:57:33,674 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:57:33,675 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:57:33" (1/1) ... [2023-12-03 02:57:33,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:57:33,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:33,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2023-12-03 02:57:33,745 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2023-12-03 02:57:33,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:57:33,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:33,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:57:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:33,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:57:33,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:33,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-12-03 02:57:33,939 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-12-03 02:57:33,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 02:57:33,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:33,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:57:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:57:34,018 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:57:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:57:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:57:34,162 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:57:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:57:34,200 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 02:57:34,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:57:34 ImpRootNode [2023-12-03 02:57:34,229 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:57:34,230 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:57:34,230 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:57:34,230 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:57:34,231 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:57:33" (3/4) ... [2023-12-03 02:57:34,233 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:57:34,234 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:57:34,235 INFO L158 Benchmark]: Toolchain (without parser) took 1495.00ms. Allocated memory is still 165.7MB. Free memory was 127.9MB in the beginning and 130.0MB in the end (delta: -2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:57:34,236 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 104.9MB. Free memory is still 59.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:57:34,237 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.87ms. Allocated memory is still 165.7MB. Free memory was 127.3MB in the beginning and 116.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:57:34,238 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.40ms. Allocated memory is still 165.7MB. Free memory was 116.7MB in the beginning and 114.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:57:34,239 INFO L158 Benchmark]: Boogie Preprocessor took 34.33ms. Allocated memory is still 165.7MB. Free memory was 114.7MB in the beginning and 113.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:57:34,239 INFO L158 Benchmark]: RCFGBuilder took 570.46ms. Allocated memory is still 165.7MB. Free memory was 113.3MB in the beginning and 88.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-03 02:57:34,240 INFO L158 Benchmark]: CodeCheck took 566.98ms. Allocated memory is still 165.7MB. Free memory was 88.1MB in the beginning and 130.0MB in the end (delta: -41.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:57:34,241 INFO L158 Benchmark]: Witness Printer took 4.81ms. Allocated memory is still 165.7MB. Free memory is still 130.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:57:34,245 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, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 8 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 46 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: 72]: 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 57, overapproximation of someBinaryArithmeticFLOAToperation at line 44, overapproximation of bitwiseAnd at line 24. Possible FailurePath: [L67] float x = 0.0f / 0.0f; [L68] CALL, EXPR round_float(x) [L14] __uint32_t w; [L16] int exponent_less_127; VAL [\old(x)=2, x=2] [L19] ieee_float_shape_type gf_u; [L20] EXPR gf_u.value = (x) [L21] EXPR gf_u.word [L21] EXPR (w) = gf_u.word [L18-L22] { ieee_float_shape_type gf_u; gf_u.value = (x); (w) = gf_u.word; } VAL [\old(x)=2, w=2139095040, x=2] [L24] EXPR w & 0x7f800000 [L24] exponent_less_127 = (int)((w & 0x7f800000) >> 23) - 127 [L26] COND FALSE !(exponent_less_127 < 23) [L42] COND TRUE exponent_less_127 == 128 [L44] return x + x; VAL [\old(x)=2, \result=5, exponent_less_127=128, w=2139095040, x=2] [L68] RET, EXPR round_float(x) [L68] float res = round_float(x); [L71] CALL, EXPR isnan_float(res) [L57] return x != x; [L71] RET, EXPR isnan_float(res) [L71] COND TRUE !isnan_float(res) [L72] reach_error() VAL [res=5, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 104.9MB. Free memory is still 59.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.87ms. Allocated memory is still 165.7MB. Free memory was 127.3MB in the beginning and 116.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.40ms. Allocated memory is still 165.7MB. Free memory was 116.7MB in the beginning and 114.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.33ms. Allocated memory is still 165.7MB. Free memory was 114.7MB in the beginning and 113.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 570.46ms. Allocated memory is still 165.7MB. Free memory was 113.3MB in the beginning and 88.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 566.98ms. Allocated memory is still 165.7MB. Free memory was 88.1MB in the beginning and 130.0MB in the end (delta: -41.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.81ms. Allocated memory is still 165.7MB. Free memory is still 130.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 02:57:34,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1031.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 635b3a6bb693049216965e64098ae1bc2a282d094f3ff6d9621a11efee2ca89f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:57:36,488 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:57:36,568 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:57:36,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:57:36,604 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:57:36,604 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:57:36,605 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:57:36,606 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:57:36,606 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:57:36,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:57:36,608 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:57:36,608 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:57:36,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:57:36,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:57:36,610 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:57:36,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:57:36,611 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:57:36,611 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:57:36,612 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:57:36,612 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:57:36,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:57:36,614 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:57:36,614 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:57:36,614 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:57:36,615 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:57:36,615 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:36,616 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:57:36,616 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:57:36,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:57:36,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:57:36,618 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:57:36,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:57:36,619 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:57:36,619 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:36,620 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:57:36,620 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:57:36,620 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:57:36,621 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_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 635b3a6bb693049216965e64098ae1bc2a282d094f3ff6d9621a11efee2ca89f [2023-12-03 02:57:36,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:57:36,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:57:36,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:57:36,974 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:57:36,974 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:57:36,976 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_1031.c [2023-12-03 02:57:39,877 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:57:40,077 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:57:40,078 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/sv-benchmarks/c/float-newlib/float_req_bl_1031.c [2023-12-03 02:57:40,086 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/data/0edb5860e/5b701a05a21a4fd18941fbbf4604a394/FLAG2b9c16204 [2023-12-03 02:57:40,101 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/data/0edb5860e/5b701a05a21a4fd18941fbbf4604a394 [2023-12-03 02:57:40,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:57:40,105 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:57:40,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:57:40,107 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:57:40,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:57:40,112 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:57:40" (1/1) ... [2023-12-03 02:57:40,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7978542b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:40, skipping insertion in model container [2023-12-03 02:57:40,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:57:40" (1/1) ... [2023-12-03 02:57:40,137 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:57:40,306 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_87293505-6a73-42b7-ad8c-969486bf9b02/sv-benchmarks/c/float-newlib/float_req_bl_1031.c[1571,1584] [2023-12-03 02:57:40,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:57:40,326 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:57:40,351 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_87293505-6a73-42b7-ad8c-969486bf9b02/sv-benchmarks/c/float-newlib/float_req_bl_1031.c[1571,1584] [2023-12-03 02:57:40,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:57:40,373 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:57:40,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:40 WrapperNode [2023-12-03 02:57:40,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:57:40,375 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:57:40,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:57:40,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:57:40,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:40" (1/1) ... [2023-12-03 02:57:40,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:40" (1/1) ... [2023-12-03 02:57:40,420 INFO L138 Inliner]: procedures = 19, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2023-12-03 02:57:40,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:57:40,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:57:40,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:57:40,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:57:40,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:40" (1/1) ... [2023-12-03 02:57:40,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:40" (1/1) ... [2023-12-03 02:57:40,439 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:40" (1/1) ... [2023-12-03 02:57:40,439 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:40" (1/1) ... [2023-12-03 02:57:40,451 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:40" (1/1) ... [2023-12-03 02:57:40,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:40" (1/1) ... [2023-12-03 02:57:40,458 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:40" (1/1) ... [2023-12-03 02:57:40,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:40" (1/1) ... [2023-12-03 02:57:40,465 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:57:40,467 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:57:40,467 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:57:40,467 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:57:40,468 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:40" (1/1) ... [2023-12-03 02:57:40,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:57:40,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:57:40,503 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:57:40,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:57:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:57:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:57:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:57:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-03 02:57:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:57:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:57:40,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:57:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 02:57:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:57:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:57:40,630 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:57:40,632 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:57:40,894 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:57:40,939 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:57:40,940 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-03 02:57:40,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:57:40 BoogieIcfgContainer [2023-12-03 02:57:40,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:57:40,943 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:57:40,943 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:57:40,955 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:57:40,955 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:57:40" (1/1) ... [2023-12-03 02:57:40,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:57:41,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:41,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2023-12-03 02:57:41,031 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2023-12-03 02:57:41,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:57:41,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:41,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:41,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:41,036 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:41,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:57:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:41,218 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:41,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:57:41,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:41,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:57:41,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:57:41,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:41,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-12-03 02:57:41,429 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-12-03 02:57:41,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 02:57:41,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:41,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:41,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:41,432 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:41,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:57:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:41,577 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:41,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:57:41,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:41,763 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 [2023-12-03 02:57:41,774 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 29 treesize of output 13 [2023-12-03 02:57:42,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:57:42,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:57:42,199 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:57:43,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:43,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2023-12-03 02:57:43,553 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2023-12-03 02:57:43,554 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 02:57:43,554 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2023-12-03 02:57:43,562 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 02:57:43,632 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 02:57:43,634 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2023-12-03 02:57:43,636 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2023-12-03 02:57:43,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_round_float_~w~0#1 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~32(ULTIMATE.start_round_float_~w~0#1[31:31], ULTIMATE.start_round_float_~w~0#1[30:23], ULTIMATE.start_round_float_~w~0#1[22:0]) == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()) && ~fp.add~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) == #res) could not be translated [2023-12-03 02:57:43,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:57:43 ImpRootNode [2023-12-03 02:57:43,641 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:57:43,641 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:57:43,641 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:57:43,642 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:57:43,642 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:57:40" (3/4) ... [2023-12-03 02:57:43,644 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 02:57:43,652 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-12-03 02:57:43,652 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-03 02:57:43,653 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 02:57:43,653 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 02:57:43,744 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 02:57:43,744 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 02:57:43,744 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:57:43,745 INFO L158 Benchmark]: Toolchain (without parser) took 3639.82ms. Allocated memory is still 107.0MB. Free memory was 83.5MB in the beginning and 58.2MB in the end (delta: 25.2MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2023-12-03 02:57:43,746 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 75.5MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:57:43,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.27ms. Allocated memory is still 107.0MB. Free memory was 83.2MB in the beginning and 71.7MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:57:43,747 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.69ms. Allocated memory is still 107.0MB. Free memory was 71.5MB in the beginning and 70.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:57:43,747 INFO L158 Benchmark]: Boogie Preprocessor took 44.25ms. Allocated memory is still 107.0MB. Free memory was 69.8MB in the beginning and 68.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:57:43,748 INFO L158 Benchmark]: RCFGBuilder took 475.41ms. Allocated memory is still 107.0MB. Free memory was 68.3MB in the beginning and 79.0MB in the end (delta: -10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:57:43,749 INFO L158 Benchmark]: CodeCheck took 2697.87ms. Allocated memory is still 107.0MB. Free memory was 79.0MB in the beginning and 62.9MB in the end (delta: 16.1MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2023-12-03 02:57:43,749 INFO L158 Benchmark]: Witness Printer took 103.23ms. Allocated memory is still 107.0MB. Free memory was 62.9MB in the beginning and 58.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:57:43,752 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, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 20 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 2 QuantifiedInterpolants, 101 SizeOfPredicates, 10 NumberOfNonLiveVariables, 62 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 72]: 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: 59]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 75.5MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.27ms. Allocated memory is still 107.0MB. Free memory was 83.2MB in the beginning and 71.7MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.69ms. Allocated memory is still 107.0MB. Free memory was 71.5MB in the beginning and 70.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.25ms. Allocated memory is still 107.0MB. Free memory was 69.8MB in the beginning and 68.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 475.41ms. Allocated memory is still 107.0MB. Free memory was 68.3MB in the beginning and 79.0MB in the end (delta: -10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 2697.87ms. Allocated memory is still 107.0MB. Free memory was 79.0MB in the beginning and 62.9MB in the end (delta: 16.1MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * Witness Printer took 103.23ms. Allocated memory is still 107.0MB. Free memory was 62.9MB in the beginning and 58.2MB in the end (delta: 4.6MB). 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 ULTIMATE.start_round_float_~w~0#1 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~32(ULTIMATE.start_round_float_~w~0#1[31:31], ULTIMATE.start_round_float_~w~0#1[30:23], ULTIMATE.start_round_float_~w~0#1[22:0]) == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()) && ~fp.add~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) == #res) could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-03 02:57:43,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87293505-6a73-42b7-ad8c-969486bf9b02/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE