./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1051.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/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_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1051.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/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_2243eaed-2993-432e-8c91-9a8488b48dc2/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 d76ec759ff5c4ba8ac5ab3cd461da9e97af9099f3ad7ef7f0d1dfc5d0eb9df52 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:04:02,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:04:02,393 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:04:02,404 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:04:02,404 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:04:02,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:04:02,449 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:04:02,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:04:02,450 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:04:02,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:04:02,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:04:02,459 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:04:02,459 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:04:02,461 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:04:02,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:04:02,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:04:02,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:04:02,462 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:04:02,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:04:02,463 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:04:02,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:04:02,464 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:04:02,483 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:04:02,484 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:04:02,484 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:04:02,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:04:02,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:02,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:04:02,486 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:04:02,486 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:04:02,487 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:04:02,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:04:02,488 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:04:02,488 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_2243eaed-2993-432e-8c91-9a8488b48dc2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d76ec759ff5c4ba8ac5ab3cd461da9e97af9099f3ad7ef7f0d1dfc5d0eb9df52 [2023-11-24 23:04:02,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:04:02,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:04:02,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:04:02,821 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:04:02,823 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:04:02,824 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/float_req_bl_1051.c [2023-11-24 23:04:05,856 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:04:06,188 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:04:06,189 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/sv-benchmarks/c/float-newlib/float_req_bl_1051.c [2023-11-24 23:04:06,198 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/data/6cc8ff1aa/bb5792bfa2554047811ef9da96756c2f/FLAG3d53a8ef9 [2023-11-24 23:04:06,216 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/data/6cc8ff1aa/bb5792bfa2554047811ef9da96756c2f [2023-11-24 23:04:06,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:04:06,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:04:06,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:06,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:04:06,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:04:06,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:06" (1/1) ... [2023-11-24 23:04:06,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f4c714e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:06, skipping insertion in model container [2023-11-24 23:04:06,234 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:06" (1/1) ... [2023-11-24 23:04:06,261 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:06,514 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_2243eaed-2993-432e-8c91-9a8488b48dc2/sv-benchmarks/c/float-newlib/float_req_bl_1051.c[1637,1650] [2023-11-24 23:04:06,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:06,531 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:06,584 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_2243eaed-2993-432e-8c91-9a8488b48dc2/sv-benchmarks/c/float-newlib/float_req_bl_1051.c[1637,1650] [2023-11-24 23:04:06,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:06,601 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:06,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:06 WrapperNode [2023-11-24 23:04:06,601 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:06,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:06,603 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:06,603 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:06,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:06" (1/1) ... [2023-11-24 23:04:06,620 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:06" (1/1) ... [2023-11-24 23:04:06,645 INFO L138 Inliner]: procedures = 17, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 103 [2023-11-24 23:04:06,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:06,647 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:06,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:06,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:06,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:06" (1/1) ... [2023-11-24 23:04:06,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:06" (1/1) ... [2023-11-24 23:04:06,660 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:06" (1/1) ... [2023-11-24 23:04:06,661 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:06" (1/1) ... [2023-11-24 23:04:06,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:06" (1/1) ... [2023-11-24 23:04:06,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:06" (1/1) ... [2023-11-24 23:04:06,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:06" (1/1) ... [2023-11-24 23:04:06,678 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:06" (1/1) ... [2023-11-24 23:04:06,680 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:06,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:06,682 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:06,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:06,683 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:06" (1/1) ... [2023-11-24 23:04:06,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:06,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:06,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:06,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:06,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:04:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:04:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:04:06,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:04:06,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:04:06,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:06,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:06,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:04:06,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:04:06,843 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:06,845 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:07,075 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:07,282 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:04:07,282 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 23:04:07,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:07 BoogieIcfgContainer [2023-11-24 23:04:07,284 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:04:07,285 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:04:07,285 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:04:07,296 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:04:07,296 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:07" (1/1) ... [2023-11-24 23:04:07,304 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:04:07,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:07,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2023-11-24 23:04:07,355 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2023-11-24 23:04:07,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:04:07,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:07,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:07,506 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 23:04:07,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:07,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-11-24 23:04:07,528 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-11-24 23:04:07,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:04:07,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:07,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:07,586 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:04:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:07,769 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:04:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:07,874 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 23:04:07,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:04:07 ImpRootNode [2023-11-24 23:04:07,913 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:04:07,914 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:04:07,914 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:04:07,915 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:04:07,915 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:07" (3/4) ... [2023-11-24 23:04:07,920 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:04:07,922 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:04:07,923 INFO L158 Benchmark]: Toolchain (without parser) took 1698.46ms. Allocated memory is still 172.0MB. Free memory was 140.0MB in the beginning and 138.7MB in the end (delta: 1.3MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2023-11-24 23:04:07,924 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory was 99.2MB in the beginning and 99.2MB in the end (delta: 70.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:07,925 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.90ms. Allocated memory is still 172.0MB. Free memory was 140.0MB in the beginning and 128.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:04:07,926 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.41ms. Allocated memory is still 172.0MB. Free memory was 128.5MB in the beginning and 126.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:07,927 INFO L158 Benchmark]: Boogie Preprocessor took 33.92ms. Allocated memory is still 172.0MB. Free memory was 126.6MB in the beginning and 125.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:07,928 INFO L158 Benchmark]: RCFGBuilder took 602.84ms. Allocated memory is still 172.0MB. Free memory was 125.2MB in the beginning and 100.7MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-24 23:04:07,929 INFO L158 Benchmark]: CodeCheck took 628.10ms. Allocated memory is still 172.0MB. Free memory was 100.7MB in the beginning and 139.1MB in the end (delta: -38.4MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2023-11-24 23:04:07,935 INFO L158 Benchmark]: Witness Printer took 8.11ms. Allocated memory is still 172.0MB. Free memory was 139.0MB in the beginning and 138.7MB in the end (delta: 320.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:07,960 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: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 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, 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, 0.1s 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: 73]: 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 60, overapproximation of someBinaryArithmeticFLOAToperation at line 47. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L68] float x = 0.0f / 0.0f; [L69] CALL, EXPR floor_float(x) [L17] __int32_t i0, j0; [L18] __uint32_t i, ix; VAL [\old(x)=2, huge_floor=1000000000000000000000000000000, x=2] [L20] ieee_float_shape_type gf_u; [L21] EXPR gf_u.value = (x) [L22] EXPR gf_u.word [L22] EXPR (i0) = gf_u.word [L19-L23] { ieee_float_shape_type gf_u; gf_u.value = (x); (i0) = gf_u.word; } VAL [\old(x)=2, huge_floor=1000000000000000000000000000000, i0=1258291200, x=2] [L24] ix = (i0 & 0x7fffffff) [L25] j0 = (ix >> 23) - 0x7f VAL [\old(x)=2, huge_floor=1000000000000000000000000000000, i0=1258291200, i=1258291200, j0=23, x=2] [L26] COND FALSE !(j0 < 23) [L46] COND FALSE !(!((ix) < 0x7f800000L)) [L49] return x; VAL [\old(x)=2, \result=2, huge_floor=1000000000000000000000000000000, i0=1258291200, i=1258291200, j0=23, x=2] [L69] RET, EXPR floor_float(x) [L69] float res = floor_float(x); [L72] CALL, EXPR isnan_float(res) [L60] return x != x; [L72] RET, EXPR isnan_float(res) [L72] COND TRUE !isnan_float(res) [L73] reach_error() VAL [huge_floor=1000000000000000000000000000000, res=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory was 99.2MB in the beginning and 99.2MB in the end (delta: 70.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.90ms. Allocated memory is still 172.0MB. Free memory was 140.0MB in the beginning and 128.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.41ms. Allocated memory is still 172.0MB. Free memory was 128.5MB in the beginning and 126.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.92ms. Allocated memory is still 172.0MB. Free memory was 126.6MB in the beginning and 125.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 602.84ms. Allocated memory is still 172.0MB. Free memory was 125.2MB in the beginning and 100.7MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 628.10ms. Allocated memory is still 172.0MB. Free memory was 100.7MB in the beginning and 139.1MB in the end (delta: -38.4MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Witness Printer took 8.11ms. Allocated memory is still 172.0MB. Free memory was 139.0MB in the beginning and 138.7MB in the end (delta: 320.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:04:08,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/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_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1051.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/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_2243eaed-2993-432e-8c91-9a8488b48dc2/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 d76ec759ff5c4ba8ac5ab3cd461da9e97af9099f3ad7ef7f0d1dfc5d0eb9df52 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:04:10,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:04:10,773 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:04:10,803 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:04:10,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:04:10,805 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:04:10,806 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:04:10,806 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:04:10,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:04:10,808 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:04:10,808 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:04:10,809 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:04:10,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:04:10,810 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:04:10,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:04:10,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:04:10,812 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:04:10,813 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:04:10,813 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:04:10,814 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:04:10,814 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:04:10,815 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:04:10,816 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:04:10,816 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:04:10,817 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:04:10,817 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:10,818 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:04:10,818 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:04:10,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:10,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:04:10,820 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:04:10,820 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:04:10,820 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:04:10,821 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:10,821 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:04:10,821 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:04:10,822 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:04:10,822 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_2243eaed-2993-432e-8c91-9a8488b48dc2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d76ec759ff5c4ba8ac5ab3cd461da9e97af9099f3ad7ef7f0d1dfc5d0eb9df52 [2023-11-24 23:04:11,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:04:11,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:04:11,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:04:11,200 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:04:11,201 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:04:11,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/float_req_bl_1051.c [2023-11-24 23:04:14,261 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:04:14,528 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:04:14,529 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/sv-benchmarks/c/float-newlib/float_req_bl_1051.c [2023-11-24 23:04:14,538 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/data/1333421ee/4e2ba640907648aaa68be2812404dfd5/FLAGdba75b316 [2023-11-24 23:04:14,556 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/data/1333421ee/4e2ba640907648aaa68be2812404dfd5 [2023-11-24 23:04:14,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:04:14,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:04:14,570 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:14,570 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:04:14,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:04:14,578 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:14" (1/1) ... [2023-11-24 23:04:14,580 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@393cd96f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:14, skipping insertion in model container [2023-11-24 23:04:14,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:14" (1/1) ... [2023-11-24 23:04:14,607 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:14,849 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_2243eaed-2993-432e-8c91-9a8488b48dc2/sv-benchmarks/c/float-newlib/float_req_bl_1051.c[1637,1650] [2023-11-24 23:04:14,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:14,872 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:14,915 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_2243eaed-2993-432e-8c91-9a8488b48dc2/sv-benchmarks/c/float-newlib/float_req_bl_1051.c[1637,1650] [2023-11-24 23:04:14,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:14,938 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:14,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:14 WrapperNode [2023-11-24 23:04:14,939 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:14,940 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:14,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:14,941 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:14,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:14" (1/1) ... [2023-11-24 23:04:14,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:14" (1/1) ... [2023-11-24 23:04:15,003 INFO L138 Inliner]: procedures = 20, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2023-11-24 23:04:15,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:15,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:15,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:15,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:15,015 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:14" (1/1) ... [2023-11-24 23:04:15,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:14" (1/1) ... [2023-11-24 23:04:15,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:14" (1/1) ... [2023-11-24 23:04:15,031 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:14" (1/1) ... [2023-11-24 23:04:15,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:14" (1/1) ... [2023-11-24 23:04:15,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:14" (1/1) ... [2023-11-24 23:04:15,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:14" (1/1) ... [2023-11-24 23:04:15,073 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:14" (1/1) ... [2023-11-24 23:04:15,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:15,077 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:15,078 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:15,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:15,079 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:14" (1/1) ... [2023-11-24 23:04:15,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:15,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:15,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:15,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:04:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:04:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-24 23:04:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:04:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:15,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-24 23:04:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:04:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:04:15,276 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:15,281 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:15,891 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:15,962 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:04:15,963 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 23:04:15,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:15 BoogieIcfgContainer [2023-11-24 23:04:15,965 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:04:15,966 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:04:15,966 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:04:15,976 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:04:15,976 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:15" (1/1) ... [2023-11-24 23:04:15,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:04:16,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:16,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2023-11-24 23:04:16,049 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2023-11-24 23:04:16,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:04:16,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:16,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:16,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:04:16,055 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:04:16,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:04:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:16,222 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:04:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:16,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:04:16,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:16,267 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 23:04:16,269 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:04:16,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 23:04:16,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:16,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-11-24 23:04:16,418 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-11-24 23:04:16,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:04:16,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:16,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:16,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:04:16,424 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:04:16,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 23:04:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:16,665 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:04:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:16,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 23:04:16,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:16,828 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:04:16,836 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2023-11-24 23:04:17,175 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 23:04:17,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-24 23:04:18,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:18,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-11-24 23:04:18,205 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-11-24 23:04:18,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:04:18,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:18,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:18,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:04:18,212 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:04:18,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 23:04:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:18,448 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:04:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:18,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:04:18,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:18,531 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 23:04:18,535 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 32 treesize of output 16 [2023-11-24 23:04:18,773 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 23:04:18,776 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:04:18,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:04:19,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:19,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2023-11-24 23:04:19,920 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2023-11-24 23:04:19,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:04:19,920 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-11-24 23:04:19,928 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 23:04:20,008 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2023-11-24 23:04:20,013 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2023-11-24 23:04:20,016 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_floor_float_~i0~0#1 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.add~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) == #res && ~fp~32(ULTIMATE.start_floor_float_~i0~0#1[31:31], ULTIMATE.start_floor_float_~i0~0#1[30:23], ULTIMATE.start_floor_float_~i0~0#1[22:0]) == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) could not be translated [2023-11-24 23:04:20,017 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:04:20,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:04:20 ImpRootNode [2023-11-24 23:04:20,018 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:04:20,018 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:04:20,018 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:04:20,019 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:04:20,019 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:15" (3/4) ... [2023-11-24 23:04:20,021 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:04:20,028 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-24 23:04:20,029 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-24 23:04:20,029 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 23:04:20,030 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:04:20,161 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:04:20,162 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:04:20,162 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:04:20,163 INFO L158 Benchmark]: Toolchain (without parser) took 5597.06ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 62.3MB in the beginning and 72.4MB in the end (delta: -10.1MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2023-11-24 23:04:20,164 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 86.0MB. Free memory was 62.1MB in the beginning and 62.0MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:20,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.83ms. Allocated memory is still 86.0MB. Free memory was 62.0MB in the beginning and 50.1MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:04:20,165 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.19ms. Allocated memory is still 86.0MB. Free memory was 50.1MB in the beginning and 48.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:20,165 INFO L158 Benchmark]: Boogie Preprocessor took 71.93ms. Allocated memory is still 86.0MB. Free memory was 48.4MB in the beginning and 46.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:20,166 INFO L158 Benchmark]: RCFGBuilder took 887.47ms. Allocated memory is still 86.0MB. Free memory was 46.7MB in the beginning and 54.6MB in the end (delta: -7.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2023-11-24 23:04:20,166 INFO L158 Benchmark]: CodeCheck took 4052.07ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 54.2MB in the beginning and 77.2MB in the end (delta: -23.0MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2023-11-24 23:04:20,167 INFO L158 Benchmark]: Witness Printer took 144.35ms. Allocated memory is still 113.2MB. Free memory was 77.2MB in the beginning and 72.4MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:04:20,175 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: 3.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 74 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 36 mSDtfsCounter, 65 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 164 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 5 QuantifiedInterpolants, 157 SizeOfPredicates, 18 NumberOfNonLiveVariables, 108 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 73]: 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: 19]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 86.0MB. Free memory was 62.1MB in the beginning and 62.0MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.83ms. Allocated memory is still 86.0MB. Free memory was 62.0MB in the beginning and 50.1MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.19ms. Allocated memory is still 86.0MB. Free memory was 50.1MB in the beginning and 48.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 71.93ms. Allocated memory is still 86.0MB. Free memory was 48.4MB in the beginning and 46.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 887.47ms. Allocated memory is still 86.0MB. Free memory was 46.7MB in the beginning and 54.6MB in the end (delta: -7.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * CodeCheck took 4052.07ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 54.2MB in the beginning and 77.2MB in the end (delta: -23.0MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * Witness Printer took 144.35ms. Allocated memory is still 113.2MB. Free memory was 77.2MB in the beginning and 72.4MB in the end (delta: 4.9MB). 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_floor_float_~i0~0#1 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.add~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) == #res && ~fp~32(ULTIMATE.start_floor_float_~i0~0#1[31:31], ULTIMATE.start_floor_float_~i0~0#1[30:23], ULTIMATE.start_floor_float_~i0~0#1[22:0]) == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-24 23:04:20,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2243eaed-2993-432e-8c91-9a8488b48dc2/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