./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1072a.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_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/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_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/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_82ccf00d-2fc3-4fae-b957-063197899f46/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 bf11eea526b888c65da8e6a790bf111238c1a4f38cbbc626b5ee67504f89d28c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:02:33,908 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:33,978 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:02:33,984 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:02:33,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:02:34,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:34,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:02:34,020 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:02:34,021 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:34,022 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:34,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:34,023 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:02:34,024 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:02:34,024 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:02:34,025 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:02:34,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:34,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:02:34,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:34,028 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:02:34,028 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:02:34,029 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:02:34,030 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:34,031 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:34,031 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:34,032 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:34,032 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:34,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:34,034 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:34,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:34,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:02:34,053 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:02:34,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:02:34,054 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:02:34,054 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_82ccf00d-2fc3-4fae-b957-063197899f46/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf11eea526b888c65da8e6a790bf111238c1a4f38cbbc626b5ee67504f89d28c [2023-11-24 23:02:34,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:34,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:34,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:34,360 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:34,360 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:34,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/float_req_bl_1072a.c [2023-11-24 23:02:37,646 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:37,873 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:37,874 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/sv-benchmarks/c/float-newlib/float_req_bl_1072a.c [2023-11-24 23:02:37,884 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/data/686510309/2dfd98e7d1fd414590190c61c53780f0/FLAGa9a1a97e5 [2023-11-24 23:02:37,898 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/data/686510309/2dfd98e7d1fd414590190c61c53780f0 [2023-11-24 23:02:37,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:37,902 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:37,904 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:37,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:37,911 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:37,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:37" (1/1) ... [2023-11-24 23:02:37,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e14fdc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:37, skipping insertion in model container [2023-11-24 23:02:37,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:37" (1/1) ... [2023-11-24 23:02:37,942 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:38,145 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_82ccf00d-2fc3-4fae-b957-063197899f46/sv-benchmarks/c/float-newlib/float_req_bl_1072a.c[1607,1620] [2023-11-24 23:02:38,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:38,160 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:02:38,184 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_82ccf00d-2fc3-4fae-b957-063197899f46/sv-benchmarks/c/float-newlib/float_req_bl_1072a.c[1607,1620] [2023-11-24 23:02:38,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:38,199 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:02:38,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:38 WrapperNode [2023-11-24 23:02:38,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:38,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:38,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:02:38,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:02:38,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:38" (1/1) ... [2023-11-24 23:02:38,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:38" (1/1) ... [2023-11-24 23:02:38,258 INFO L138 Inliner]: procedures = 16, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 123 [2023-11-24 23:02:38,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:38,259 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:02:38,259 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:02:38,260 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:02:38,272 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:38" (1/1) ... [2023-11-24 23:02:38,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:38" (1/1) ... [2023-11-24 23:02:38,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:38" (1/1) ... [2023-11-24 23:02:38,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:38" (1/1) ... [2023-11-24 23:02:38,285 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:38" (1/1) ... [2023-11-24 23:02:38,290 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:38" (1/1) ... [2023-11-24 23:02:38,292 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:38" (1/1) ... [2023-11-24 23:02:38,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:38" (1/1) ... [2023-11-24 23:02:38,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:02:38,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:02:38,298 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:02:38,298 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:02:38,299 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:38" (1/1) ... [2023-11-24 23:02:38,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:38,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:02:38,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:02:38,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:02:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:02:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:02:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:02:38,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:02:38,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:02:38,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:02:38,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:02:38,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:02:38,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:02:38,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:02:38,480 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:38,482 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:38,719 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:38,943 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:02:38,944 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-24 23:02:38,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:38 BoogieIcfgContainer [2023-11-24 23:02:38,945 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:02:38,946 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:02:38,946 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:02:38,976 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:02:38,976 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:38" (1/1) ... [2023-11-24 23:02:38,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:02:39,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:39,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 32 transitions. [2023-11-24 23:02:39,037 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 32 transitions. [2023-11-24 23:02:39,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:02:39,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:39,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:39,267 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 23:02:39,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:39,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2023-11-24 23:02:39,319 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-11-24 23:02:39,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:02:39,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:39,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:39,790 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 23:02:39,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:39,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2023-11-24 23:02:39,825 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-11-24 23:02:39,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:02:39,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:39,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:39,864 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:02:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:40,001 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:02:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:40,043 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-24 23:02:40,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:02:40 ImpRootNode [2023-11-24 23:02:40,071 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:02:40,072 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:02:40,072 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:02:40,072 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:02:40,073 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:38" (3/4) ... [2023-11-24 23:02:40,075 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:02:40,077 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:02:40,078 INFO L158 Benchmark]: Toolchain (without parser) took 2175.21ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 79.4MB in the end (delta: -274.4kB). Peak memory consumption was 148.6kB. Max. memory is 16.1GB. [2023-11-24 23:02:40,078 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory was 87.4MB in the beginning and 87.2MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:40,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.26ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 67.5MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:02:40,080 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.49ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 65.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:40,080 INFO L158 Benchmark]: Boogie Preprocessor took 37.43ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 64.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:40,081 INFO L158 Benchmark]: RCFGBuilder took 648.04ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 86.2MB in the end (delta: -22.2MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2023-11-24 23:02:40,082 INFO L158 Benchmark]: CodeCheck took 1125.00ms. Allocated memory is still 117.4MB. Free memory was 85.7MB in the beginning and 80.0MB in the end (delta: 5.7MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2023-11-24 23:02:40,083 INFO L158 Benchmark]: Witness Printer took 5.22ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.4MB in the end (delta: 643.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:40,086 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, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 66 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 26 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 2 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, 0.4s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 - UnprovableResult [Line: 69]: 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 someBinaryArithmeticFLOAToperation at line 64, overapproximation of bitwiseAnd at line 22. Possible FailurePath: [L64] float x = 1.0f / 0.0f; [L65] CALL, EXPR trunc_float(x) [L15] __int32_t signbit, w, exponent_less_127; VAL [\old(x)=2, x=2] [L17] ieee_float_shape_type gf_u; [L18] EXPR gf_u.value = (x) [L19] EXPR gf_u.word [L19] EXPR (w) = gf_u.word [L16-L20] { ieee_float_shape_type gf_u; gf_u.value = (x); (w) = gf_u.word; } VAL [\old(x)=2, w=2139095040, x=2] [L21] signbit = w & 0x80000000 [L22] EXPR w & 0x7f800000 [L22] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 [L23] COND FALSE !(exponent_less_127 < 23) VAL [\old(x)=2, exponent_less_127=128, signbit=0, w=2139095040, x=2] [L39] COND FALSE !(exponent_less_127 == 255) VAL [\old(x)=2, exponent_less_127=128, signbit=0, w=2139095040, x=2] [L42] return x; VAL [\old(x)=2, \result=2, exponent_less_127=128, signbit=0, w=2139095040, x=2] [L65] RET, EXPR trunc_float(x) [L65] float res = trunc_float(x); [L68] CALL, EXPR isinf_float(res) [L47] __int32_t ix; VAL [\old(x)=2, x=2] [L49] ieee_float_shape_type gf_u; [L50] EXPR gf_u.value = (x) [L51] EXPR gf_u.word [L51] EXPR (ix) = gf_u.word [L48-L52] { ieee_float_shape_type gf_u; gf_u.value = (x); (ix) = gf_u.word; } VAL [\old(x)=2, ix=0, x=2] [L53] ix &= 0x7fffffff [L54] return ((ix) == 0x7f800000L); [L68] RET, EXPR isinf_float(res) [L68] COND TRUE !isinf_float(res) [L69] reach_error() VAL [res=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory was 87.4MB in the beginning and 87.2MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.26ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 67.5MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.49ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 65.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.43ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 64.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 648.04ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 86.2MB in the end (delta: -22.2MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * CodeCheck took 1125.00ms. Allocated memory is still 117.4MB. Free memory was 85.7MB in the beginning and 80.0MB in the end (delta: 5.7MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Witness Printer took 5.22ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.4MB in the end (delta: 643.0kB). 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 23:02:40,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/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_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/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_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/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_82ccf00d-2fc3-4fae-b957-063197899f46/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 bf11eea526b888c65da8e6a790bf111238c1a4f38cbbc626b5ee67504f89d28c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:02:42,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:43,032 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:02:43,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:43,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:02:43,092 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:02:43,093 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:43,093 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:43,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:43,100 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:02:43,101 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:02:43,102 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:02:43,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:43,104 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:02:43,105 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:43,105 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:02:43,105 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:02:43,106 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:02:43,106 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:02:43,108 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:02:43,108 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:02:43,109 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:43,109 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:43,109 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:43,110 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:43,110 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:02:43,111 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:02:43,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:43,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:43,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:43,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:43,114 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:02:43,114 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:02:43,115 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:02:43,115 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:02:43,115 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:02:43,116 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:02:43,116 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_82ccf00d-2fc3-4fae-b957-063197899f46/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf11eea526b888c65da8e6a790bf111238c1a4f38cbbc626b5ee67504f89d28c [2023-11-24 23:02:43,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:43,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:43,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:43,603 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:43,604 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:43,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/float_req_bl_1072a.c [2023-11-24 23:02:46,857 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:47,154 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:47,155 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/sv-benchmarks/c/float-newlib/float_req_bl_1072a.c [2023-11-24 23:02:47,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/data/b19d4f32e/17ae04ea093a48b19f74199a2b07fb5a/FLAG3fbf7e44e [2023-11-24 23:02:47,190 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/data/b19d4f32e/17ae04ea093a48b19f74199a2b07fb5a [2023-11-24 23:02:47,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:47,199 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:47,204 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:47,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:47,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:47,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:47" (1/1) ... [2023-11-24 23:02:47,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d0a04b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:47, skipping insertion in model container [2023-11-24 23:02:47,214 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:47" (1/1) ... [2023-11-24 23:02:47,245 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:47,464 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_82ccf00d-2fc3-4fae-b957-063197899f46/sv-benchmarks/c/float-newlib/float_req_bl_1072a.c[1607,1620] [2023-11-24 23:02:47,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:47,491 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:02:47,527 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_82ccf00d-2fc3-4fae-b957-063197899f46/sv-benchmarks/c/float-newlib/float_req_bl_1072a.c[1607,1620] [2023-11-24 23:02:47,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:47,547 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:02:47,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:47 WrapperNode [2023-11-24 23:02:47,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:47,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:47,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:02:47,550 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:02:47,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:47" (1/1) ... [2023-11-24 23:02:47,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:47" (1/1) ... [2023-11-24 23:02:47,608 INFO L138 Inliner]: procedures = 19, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2023-11-24 23:02:47,609 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:47,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:02:47,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:02:47,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:02:47,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:47" (1/1) ... [2023-11-24 23:02:47,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:47" (1/1) ... [2023-11-24 23:02:47,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:47" (1/1) ... [2023-11-24 23:02:47,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:47" (1/1) ... [2023-11-24 23:02:47,636 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:47" (1/1) ... [2023-11-24 23:02:47,641 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:47" (1/1) ... [2023-11-24 23:02:47,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:47" (1/1) ... [2023-11-24 23:02:47,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:47" (1/1) ... [2023-11-24 23:02:47,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:02:47,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:02:47,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:02:47,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:02:47,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:47" (1/1) ... [2023-11-24 23:02:47,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:47,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:02:47,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:02:47,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:02:47,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:02:47,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:02:47,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:02:47,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-24 23:02:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:02:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:02:47,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:02:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-24 23:02:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:02:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:02:47,890 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:47,893 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:48,206 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:48,274 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:02:48,277 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-24 23:02:48,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:48 BoogieIcfgContainer [2023-11-24 23:02:48,304 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:02:48,305 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:02:48,305 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:02:48,316 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:02:48,317 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:48" (1/1) ... [2023-11-24 23:02:48,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:02:48,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:48,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 32 transitions. [2023-11-24 23:02:48,385 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 32 transitions. [2023-11-24 23:02:48,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:02:48,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:48,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:02:48,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:02:48,395 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:02:48,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:02:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:48,586 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:02:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:48,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:02:48,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:48,662 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 23:02:48,665 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:02:48,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 23:02:48,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:48,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2023-11-24 23:02:48,700 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-11-24 23:02:48,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:02:48,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:48,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:02:48,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:02:48,703 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:02:48,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 23:02:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:48,903 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:02:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:48,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:02:48,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:49,029 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 23:02:49,031 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:02:49,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-24 23:02:49,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:49,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2023-11-24 23:02:49,218 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-11-24 23:02:49,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:02:49,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:49,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:02:49,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:02:49,224 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:02:49,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 23:02:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:49,458 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:02:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:49,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:02:49,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:49,735 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:02:49,738 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2023-11-24 23:02:49,940 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 23:02:49,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:02:51,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:51,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2023-11-24 23:02:51,296 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2023-11-24 23:02:51,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:02:51,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:51,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:02:51,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:02:51,300 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:02:51,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 23:02:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:51,525 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:02:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:51,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:02:51,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:51,621 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:02:51,622 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2023-11-24 23:02:52,036 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 23:02:52,038 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:02:52,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-24 23:02:54,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:54,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 14 states and 13 transitions. [2023-11-24 23:02:54,268 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2023-11-24 23:02:54,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:02:54,269 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-24 23:02:54,278 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 23:02:54,406 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2023-11-24 23:02:54,411 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) could not be translated [2023-11-24 23:02:54,412 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2023-11-24 23:02:54,412 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()) == #res) could not be translated [2023-11-24 23:02:54,412 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:02:54,414 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2023-11-24 23:02:54,414 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp~32(~ix~0[31:31], ~ix~0[30:23], ~ix~0[22:0]) == ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) could not be translated [2023-11-24 23:02:54,414 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2023-11-24 23:02:54,415 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()) == ~x) could not be translated [2023-11-24 23:02:54,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:02:54 ImpRootNode [2023-11-24 23:02:54,415 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:02:54,416 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:02:54,416 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:02:54,416 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:02:54,417 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:48" (3/4) ... [2023-11-24 23:02:54,419 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:02:54,430 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-24 23:02:54,431 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-24 23:02:54,431 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 23:02:54,432 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:02:54,540 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:02:54,541 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:02:54,541 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:02:54,542 INFO L158 Benchmark]: Toolchain (without parser) took 7343.36ms. Allocated memory is still 109.1MB. Free memory was 84.8MB in the beginning and 64.8MB in the end (delta: 20.0MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2023-11-24 23:02:54,542 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 71.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:54,543 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.94ms. Allocated memory is still 109.1MB. Free memory was 84.8MB in the beginning and 73.2MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:02:54,544 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.41ms. Allocated memory is still 109.1MB. Free memory was 72.9MB in the beginning and 71.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:54,544 INFO L158 Benchmark]: Boogie Preprocessor took 39.57ms. Allocated memory is still 109.1MB. Free memory was 71.4MB in the beginning and 69.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:54,545 INFO L158 Benchmark]: RCFGBuilder took 654.21ms. Allocated memory is still 109.1MB. Free memory was 69.6MB in the beginning and 87.0MB in the end (delta: -17.4MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-11-24 23:02:54,545 INFO L158 Benchmark]: CodeCheck took 6110.27ms. Allocated memory is still 109.1MB. Free memory was 87.0MB in the beginning and 69.9MB in the end (delta: 17.1MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-11-24 23:02:54,546 INFO L158 Benchmark]: Witness Printer took 125.12ms. Allocated memory is still 109.1MB. Free memory was 69.9MB in the beginning and 64.8MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:02:54,548 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, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 187 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 133 IncrementalHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 67 mSDtfsCounter, 133 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 379 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 46 ConstructedInterpolants, 16 QuantifiedInterpolants, 219 SizeOfPredicates, 18 NumberOfNonLiveVariables, 204 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 69]: 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: 48]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 71.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.94ms. Allocated memory is still 109.1MB. Free memory was 84.8MB in the beginning and 73.2MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.41ms. Allocated memory is still 109.1MB. Free memory was 72.9MB in the beginning and 71.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.57ms. Allocated memory is still 109.1MB. Free memory was 71.4MB in the beginning and 69.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 654.21ms. Allocated memory is still 109.1MB. Free memory was 69.6MB in the beginning and 87.0MB in the end (delta: -17.4MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * CodeCheck took 6110.27ms. Allocated memory is still 109.1MB. Free memory was 87.0MB in the beginning and 69.9MB in the end (delta: 17.1MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Witness Printer took 125.12ms. Allocated memory is still 109.1MB. Free memory was 69.9MB in the beginning and 64.8MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()) == #res) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp~32(~ix~0[31:31], ~ix~0[30:23], ~ix~0[22:0]) == ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()) == ~x) could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-24 23:02:54,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ccf00d-2fc3-4fae-b957-063197899f46/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