./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/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_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/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_3e9661ec-5368-4480-8a7e-4803687b5b5f/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 11f7724b26aaacc400564e4846b80581065da794226b0399a61dc9422d54755f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:06,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:06,551 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:05:06,565 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:05:06,566 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:05:06,610 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:06,612 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:05:06,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:05:06,614 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:06,619 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:06,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:06,621 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:05:06,621 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:05:06,623 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:05:06,624 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:05:06,624 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:06,625 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:05:06,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:06,626 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:05:06,627 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:05:06,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:05:06,628 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:06,629 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:06,630 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:06,630 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:06,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:06,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:06,632 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:06,632 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:06,633 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:05:06,634 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:05:06,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:05:06,635 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:05:06,636 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_3e9661ec-5368-4480-8a7e-4803687b5b5f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11f7724b26aaacc400564e4846b80581065da794226b0399a61dc9422d54755f [2023-11-24 23:05:06,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:06,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:06,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:06,982 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:06,983 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:06,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2023-11-24 23:05:10,117 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:10,338 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:10,339 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2023-11-24 23:05:10,351 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/data/e3881a458/7a88c075ba2e434eba73c284f74131f6/FLAG0df516be3 [2023-11-24 23:05:10,369 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/data/e3881a458/7a88c075ba2e434eba73c284f74131f6 [2023-11-24 23:05:10,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:10,375 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:10,376 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:10,377 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:10,384 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:10,385 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:10" (1/1) ... [2023-11-24 23:05:10,386 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@756e6263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:10, skipping insertion in model container [2023-11-24 23:05:10,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:10" (1/1) ... [2023-11-24 23:05:10,431 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:10,714 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_3e9661ec-5368-4480-8a7e-4803687b5b5f/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c[5433,5446] [2023-11-24 23:05:10,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:10,732 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:10,788 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_3e9661ec-5368-4480-8a7e-4803687b5b5f/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c[5433,5446] [2023-11-24 23:05:10,789 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:10,810 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:10,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:10 WrapperNode [2023-11-24 23:05:10,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:10,813 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:10,813 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:10,813 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:10,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:10" (1/1) ... [2023-11-24 23:05:10,850 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:10" (1/1) ... [2023-11-24 23:05:10,888 INFO L138 Inliner]: procedures = 20, calls = 47, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 269 [2023-11-24 23:05:10,889 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:10,890 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:10,890 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:10,890 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:10,901 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:10" (1/1) ... [2023-11-24 23:05:10,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:10" (1/1) ... [2023-11-24 23:05:10,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:10" (1/1) ... [2023-11-24 23:05:10,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:10" (1/1) ... [2023-11-24 23:05:10,927 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:10" (1/1) ... [2023-11-24 23:05:10,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:10" (1/1) ... [2023-11-24 23:05:10,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:10" (1/1) ... [2023-11-24 23:05:10,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:10" (1/1) ... [2023-11-24 23:05:10,971 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:10,972 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:10,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:10,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:10,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:10" (1/1) ... [2023-11-24 23:05:10,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:10,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:11,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:11,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:11,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:11,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:05:11,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:05:11,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:05:11,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:05:11,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:05:11,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:11,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:11,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:05:11,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:05:11,212 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:11,218 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:11,698 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:11,886 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:05:11,886 INFO L309 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-24 23:05:11,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:11 BoogieIcfgContainer [2023-11-24 23:05:11,888 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:05:11,889 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:05:11,889 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:05:11,904 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:05:11,904 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:11" (1/1) ... [2023-11-24 23:05:11,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:05:11,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:11,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 44 states and 71 transitions. [2023-11-24 23:05:11,999 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 71 transitions. [2023-11-24 23:05:12,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:05:12,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:12,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:12,169 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 23:05:12,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:12,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2023-11-24 23:05:12,202 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2023-11-24 23:05:12,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:05:12,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:12,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:12,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:05:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:12,411 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:05:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:12,454 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 23:05:12,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:05:12 ImpRootNode [2023-11-24 23:05:12,486 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:05:12,487 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:05:12,487 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:05:12,487 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:05:12,488 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:11" (3/4) ... [2023-11-24 23:05:12,490 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:05:12,492 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:05:12,493 INFO L158 Benchmark]: Toolchain (without parser) took 2117.82ms. Allocated memory is still 159.4MB. Free memory was 120.1MB in the beginning and 107.7MB in the end (delta: 12.5MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2023-11-24 23:05:12,493 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 130.0MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:12,494 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.25ms. Allocated memory is still 159.4MB. Free memory was 119.6MB in the beginning and 105.5MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:05:12,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.87ms. Allocated memory is still 159.4MB. Free memory was 105.5MB in the beginning and 102.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:05:12,495 INFO L158 Benchmark]: Boogie Preprocessor took 81.42ms. Allocated memory is still 159.4MB. Free memory was 102.8MB in the beginning and 100.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:12,496 INFO L158 Benchmark]: RCFGBuilder took 916.07ms. Allocated memory is still 159.4MB. Free memory was 100.7MB in the beginning and 127.9MB in the end (delta: -27.2MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2023-11-24 23:05:12,497 INFO L158 Benchmark]: CodeCheck took 597.11ms. Allocated memory is still 159.4MB. Free memory was 127.8MB in the beginning and 107.7MB in the end (delta: 20.1MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2023-11-24 23:05:12,498 INFO L158 Benchmark]: Witness Printer took 4.78ms. Allocated memory is still 159.4MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:12,502 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, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 235]: 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 someUnaryDOUBLEoperation at line 149, overapproximation of someUnaryFLOAToperation at line 147, overapproximation of someBinaryArithmeticFLOAToperation at line 166. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L62] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L145-L153] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; [L230] float x = 1.0f / 0.0f; [L231] CALL, EXPR __ieee754_asinf(x) [L156] float t, w, p, q, c, r, s; [L157] __int32_t hx, ix; VAL [\old(x)=2, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L159] ieee_float_shape_type gf_u; [L160] EXPR gf_u.value = (x) [L161] EXPR gf_u.word [L161] EXPR (hx) = gf_u.word [L158-L162] { ieee_float_shape_type gf_u; gf_u.value = (x); (hx) = gf_u.word; } VAL [\old(x)=2, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=1065353216, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L163] ix = hx & 0x7fffffff VAL [\old(x)=2, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=1065353216, ix=1065353216, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L164] COND TRUE ix == 0x3f800000 [L166] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=2, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=1065353216, ix=1065353216, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L231] RET, EXPR __ieee754_asinf(x) [L231] float res = __ieee754_asinf(x); [L234] CALL, EXPR isnan_float(res) [L60] return x != x; [L234] RET, EXPR isnan_float(res) [L234] COND TRUE !isnan_float(res) [L235] reach_error() VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=5, tiny_sqrt=1/1000000000000000000000000000000, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 130.0MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.25ms. Allocated memory is still 159.4MB. Free memory was 119.6MB in the beginning and 105.5MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.87ms. Allocated memory is still 159.4MB. Free memory was 105.5MB in the beginning and 102.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.42ms. Allocated memory is still 159.4MB. Free memory was 102.8MB in the beginning and 100.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 916.07ms. Allocated memory is still 159.4MB. Free memory was 100.7MB in the beginning and 127.9MB in the end (delta: -27.2MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * CodeCheck took 597.11ms. Allocated memory is still 159.4MB. Free memory was 127.8MB in the beginning and 107.7MB in the end (delta: 20.1MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Witness Printer took 4.78ms. Allocated memory is still 159.4MB. Free memory is still 107.7MB. 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 23:05:12,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/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_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/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_3e9661ec-5368-4480-8a7e-4803687b5b5f/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 11f7724b26aaacc400564e4846b80581065da794226b0399a61dc9422d54755f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:15,343 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:15,496 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:05:15,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:15,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:05:15,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:05:15,559 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:15,560 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:15,561 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:15,568 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:05:15,568 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:05:15,569 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:05:15,569 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:15,572 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:05:15,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:15,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:05:15,573 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:05:15,574 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:05:15,575 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:05:15,575 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:05:15,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:05:15,576 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:15,577 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:15,577 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:15,578 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:15,578 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:15,579 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:05:15,580 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:15,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:15,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:15,582 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:15,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:05:15,583 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:05:15,584 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:15,584 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:05:15,584 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:05:15,585 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:05:15,585 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_3e9661ec-5368-4480-8a7e-4803687b5b5f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11f7724b26aaacc400564e4846b80581065da794226b0399a61dc9422d54755f [2023-11-24 23:05:16,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:16,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:16,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:16,077 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:16,077 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:16,079 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2023-11-24 23:05:19,160 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:19,477 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:19,478 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2023-11-24 23:05:19,488 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/data/fff7c8b9c/bfd98b4155534d7789c4fd1db3d2b061/FLAG2bf016b66 [2023-11-24 23:05:19,504 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/data/fff7c8b9c/bfd98b4155534d7789c4fd1db3d2b061 [2023-11-24 23:05:19,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:19,509 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:19,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:19,511 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:19,516 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:19,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:19" (1/1) ... [2023-11-24 23:05:19,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21b11d8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:19, skipping insertion in model container [2023-11-24 23:05:19,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:19" (1/1) ... [2023-11-24 23:05:19,558 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:19,837 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_3e9661ec-5368-4480-8a7e-4803687b5b5f/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c[5433,5446] [2023-11-24 23:05:19,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:19,858 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:19,962 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_3e9661ec-5368-4480-8a7e-4803687b5b5f/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c[5433,5446] [2023-11-24 23:05:19,964 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:19,986 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:19,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:19 WrapperNode [2023-11-24 23:05:19,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:19,988 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:19,989 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:19,989 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:19,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:19" (1/1) ... [2023-11-24 23:05:20,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:19" (1/1) ... [2023-11-24 23:05:20,083 INFO L138 Inliner]: procedures = 23, calls = 47, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 248 [2023-11-24 23:05:20,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:20,087 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:20,087 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:20,088 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:20,097 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:19" (1/1) ... [2023-11-24 23:05:20,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:19" (1/1) ... [2023-11-24 23:05:20,112 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:19" (1/1) ... [2023-11-24 23:05:20,124 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:19" (1/1) ... [2023-11-24 23:05:20,142 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:19" (1/1) ... [2023-11-24 23:05:20,160 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:19" (1/1) ... [2023-11-24 23:05:20,163 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:19" (1/1) ... [2023-11-24 23:05:20,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:19" (1/1) ... [2023-11-24 23:05:20,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:20,188 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:20,188 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:20,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:20,189 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:19" (1/1) ... [2023-11-24 23:05:20,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:20,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:20,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:20,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:05:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:05:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-24 23:05:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:05:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:20,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-24 23:05:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:05:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:05:20,429 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:20,432 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:06:05,792 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:06:05,895 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:06:05,895 INFO L309 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-24 23:06:05,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:05 BoogieIcfgContainer [2023-11-24 23:06:05,897 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:06:05,898 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:06:05,899 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:06:05,911 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:06:05,912 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:05" (1/1) ... [2023-11-24 23:06:05,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:06:05,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:05,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2023-11-24 23:06:05,988 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2023-11-24 23:06:05,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:06:05,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:05,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:06:05,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:06:05,996 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:06:05,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:06:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:06,719 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:06:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:06,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:06:06,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:06,828 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 23:06:06,836 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:06:06,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:06:06,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:06,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2023-11-24 23:06:06,943 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2023-11-24 23:06:06,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:06:06,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:06,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:06:06,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:06:06,946 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:06:06,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 23:06:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:08,459 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:06:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:08,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:06:08,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:08,857 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 23:06:08,882 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 34 treesize of output 18 [2023-11-24 23:06:09,207 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 23:06:09,218 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:06:09,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:06:13,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-24 23:06:13,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:13,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2023-11-24 23:06:13,609 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2023-11-24 23:06:13,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:06:13,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:13,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:06:13,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:06:13,612 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:06:13,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9661ec-5368-4480-8a7e-4803687b5b5f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 23:06:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:15,597 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported