./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0480.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_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/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_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0480.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/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_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/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 63d3574782fa6454b0d1694c2d11597178e5561b6615edd1b2b746975245a1dc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:01:18,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:01:18,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:01:18,363 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:01:18,364 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:01:18,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:01:18,406 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:01:18,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:01:18,407 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:01:18,412 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:01:18,413 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:01:18,413 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:01:18,414 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:01:18,415 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:01:18,416 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:01:18,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:01:18,416 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:01:18,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:01:18,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:01:18,418 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:01:18,418 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:01:18,418 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:01:18,419 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:01:18,421 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:01:18,421 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:01:18,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:01:18,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:18,422 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:01:18,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:01:18,423 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:01:18,424 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:01:18,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:01:18,441 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:01:18,441 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_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63d3574782fa6454b0d1694c2d11597178e5561b6615edd1b2b746975245a1dc [2023-11-24 23:01:18,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:01:18,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:01:18,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:01:18,771 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:01:18,772 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:01:18,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/float_req_bl_0480.c [2023-11-24 23:01:21,883 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:22,172 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:22,173 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/sv-benchmarks/c/float-newlib/float_req_bl_0480.c [2023-11-24 23:01:22,183 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/data/14f6eec92/dc6530fd7c8545f195015e200904946f/FLAGb2fd791fb [2023-11-24 23:01:22,207 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/data/14f6eec92/dc6530fd7c8545f195015e200904946f [2023-11-24 23:01:22,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:22,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:22,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:22,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:22,219 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:22,220 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:22" (1/1) ... [2023-11-24 23:01:22,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43746347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:22, skipping insertion in model container [2023-11-24 23:01:22,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:22" (1/1) ... [2023-11-24 23:01:22,276 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:22,527 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_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/sv-benchmarks/c/float-newlib/float_req_bl_0480.c[4489,4502] [2023-11-24 23:01:22,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:22,544 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:22,592 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_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/sv-benchmarks/c/float-newlib/float_req_bl_0480.c[4489,4502] [2023-11-24 23:01:22,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:22,610 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:22,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:22 WrapperNode [2023-11-24 23:01:22,611 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:22,612 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:22,612 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:22,613 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:22,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:22" (1/1) ... [2023-11-24 23:01:22,631 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:22" (1/1) ... [2023-11-24 23:01:22,660 INFO L138 Inliner]: procedures = 18, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 152 [2023-11-24 23:01:22,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:22,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:22,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:22,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:22,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:22" (1/1) ... [2023-11-24 23:01:22,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:22" (1/1) ... [2023-11-24 23:01:22,677 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:22" (1/1) ... [2023-11-24 23:01:22,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:22" (1/1) ... [2023-11-24 23:01:22,694 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:22" (1/1) ... [2023-11-24 23:01:22,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:22" (1/1) ... [2023-11-24 23:01:22,712 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:22" (1/1) ... [2023-11-24 23:01:22,714 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:22" (1/1) ... [2023-11-24 23:01:22,719 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:22,720 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:22,720 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:22,720 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:22,721 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:22" (1/1) ... [2023-11-24 23:01:22,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:22,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:22,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:22,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:22,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:01:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:01:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:01:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:01:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:01:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:01:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:22,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:01:22,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:01:22,807 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2023-11-24 23:01:22,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2023-11-24 23:01:22,926 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:01:22,929 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:01:23,425 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:01:23,641 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:01:23,642 INFO L309 CfgBuilder]: Removed 14 assume(true) statements. [2023-11-24 23:01:23,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:23 BoogieIcfgContainer [2023-11-24 23:01:23,644 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:01:23,646 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:01:23,648 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:01:23,660 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:01:23,661 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:23" (1/1) ... [2023-11-24 23:01:23,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:01:23,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:23,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2023-11-24 23:01:23,753 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2023-11-24 23:01:23,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:01:23,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:23,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:23,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:23,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:23,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2023-11-24 23:01:23,933 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2023-11-24 23:01:23,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:01:23,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:23,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:23,976 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:01:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:24,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:01:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:24,148 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 23:01:24,189 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated [2023-11-24 23:01:24,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:01:24 ImpRootNode [2023-11-24 23:01:24,194 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:01:24,196 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:01:24,197 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:01:24,198 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:01:24,198 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:23" (3/4) ... [2023-11-24 23:01:24,200 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:01:24,203 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:01:24,204 INFO L158 Benchmark]: Toolchain (without parser) took 1993.16ms. Allocated memory is still 130.0MB. Free memory was 93.6MB in the beginning and 72.0MB in the end (delta: 21.6MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2023-11-24 23:01:24,205 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 130.0MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:01:24,207 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.78ms. Allocated memory is still 130.0MB. Free memory was 93.2MB in the beginning and 79.6MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:01:24,207 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.54ms. Allocated memory is still 130.0MB. Free memory was 79.6MB in the beginning and 77.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:01:24,209 INFO L158 Benchmark]: Boogie Preprocessor took 57.45ms. Allocated memory is still 130.0MB. Free memory was 77.6MB in the beginning and 75.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:01:24,210 INFO L158 Benchmark]: RCFGBuilder took 925.17ms. Allocated memory is still 130.0MB. Free memory was 75.5MB in the beginning and 95.1MB in the end (delta: -19.5MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2023-11-24 23:01:24,210 INFO L158 Benchmark]: CodeCheck took 548.21ms. Allocated memory is still 130.0MB. Free memory was 95.1MB in the beginning and 72.7MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 23:01:24,211 INFO L158 Benchmark]: Witness Printer took 7.60ms. Allocated memory is still 130.0MB. Free memory was 72.7MB in the beginning and 72.0MB in the end (delta: 706.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:01:24,215 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 2 procedures, 45 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, 26 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 13 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 59 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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: 184]: 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 183, overapproximation of someUnaryDOUBLEoperation at line 86, overapproximation of someBinaryArithmeticFLOAToperation at line 105. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L83-L90] static const float one_acos = 1.0000000000e+00, pi = 3.1415925026e+00, pio2_hi_acos = 1.5707962513e+00, pio2_lo_acos = 7.5497894159e-08, pS0_acos = 1.6666667163e-01, pS1_acos = -3.2556581497e-01, pS2_acos = 2.0121252537e-01, pS3_acos = -4.0055535734e-02, pS4_acos = 7.9153501429e-04, pS5_acos = 3.4793309169e-05, qS1_acos = -2.4033949375e+00, qS2_acos = 2.0209457874e+00, qS3_acos = -6.8828397989e-01, qS4_acos = 7.7038154006e-02; [L179] float x = 1.0f; [L180] CALL, EXPR __ieee754_acosf(x) [L93] float z, p, q, r, w, s, c, df; [L94] __int32_t hx, ix; VAL [\old(x)=1, one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L96] ieee_float_shape_type gf_u; [L97] EXPR gf_u.value = (x) [L98] EXPR gf_u.word [L98] EXPR (hx) = gf_u.word [L95-L99] { ieee_float_shape_type gf_u; gf_u.value = (x); (hx) = gf_u.word; } VAL [\old(x)=1, hx=1065353216, one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L100] ix = hx & 0x7fffffff VAL [\old(x)=1, hx=1065353216, ix=1065353216, one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L101] COND TRUE ix == 0x3f800000 [L102] COND TRUE hx > 0 [L103] return 0.0; VAL [\old(x)=1, \result=0, hx=1065353216, ix=1065353216, one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L180] RET, EXPR __ieee754_acosf(x) [L180] float res = __ieee754_acosf(x); [L183] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, res=0, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L183] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L184] reach_error() VAL [one_acos=1, one_sqrt=1, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, res=0, tiny_sqrt=1/1000000000000000000000000000000, x=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 130.0MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.78ms. Allocated memory is still 130.0MB. Free memory was 93.2MB in the beginning and 79.6MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.54ms. Allocated memory is still 130.0MB. Free memory was 79.6MB in the beginning and 77.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.45ms. Allocated memory is still 130.0MB. Free memory was 77.6MB in the beginning and 75.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 925.17ms. Allocated memory is still 130.0MB. Free memory was 75.5MB in the beginning and 95.1MB in the end (delta: -19.5MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * CodeCheck took 548.21ms. Allocated memory is still 130.0MB. Free memory was 95.1MB in the beginning and 72.7MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 7.60ms. Allocated memory is still 130.0MB. Free memory was 72.7MB in the beginning and 72.0MB in the end (delta: 706.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:01:24,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/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_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/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_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0480.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/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_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/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 63d3574782fa6454b0d1694c2d11597178e5561b6615edd1b2b746975245a1dc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:01:26,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:01:27,134 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:01:27,189 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:01:27,191 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:01:27,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:01:27,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:01:27,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:01:27,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:01:27,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:01:27,200 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:01:27,201 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:01:27,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:01:27,203 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:01:27,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:01:27,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:01:27,204 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:01:27,204 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:01:27,205 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:01:27,206 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:01:27,206 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:01:27,208 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:01:27,208 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:01:27,209 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:01:27,209 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:01:27,210 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:01:27,210 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:01:27,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:01:27,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:27,212 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:01:27,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:01:27,213 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:01:27,214 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:01:27,214 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:01:27,215 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:01:27,215 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:01:27,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:01:27,216 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_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63d3574782fa6454b0d1694c2d11597178e5561b6615edd1b2b746975245a1dc [2023-11-24 23:01:27,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:01:27,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:01:27,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:01:27,689 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:01:27,690 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:01:27,692 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/float_req_bl_0480.c [2023-11-24 23:01:31,077 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:31,409 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:31,421 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/sv-benchmarks/c/float-newlib/float_req_bl_0480.c [2023-11-24 23:01:31,438 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/data/1493908ff/a3a81b0226b24e7ba538dcd6384f310b/FLAG1346fcd76 [2023-11-24 23:01:31,459 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/data/1493908ff/a3a81b0226b24e7ba538dcd6384f310b [2023-11-24 23:01:31,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:31,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:31,470 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:31,471 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:31,476 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:31,478 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:31" (1/1) ... [2023-11-24 23:01:31,479 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@317fcde7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31, skipping insertion in model container [2023-11-24 23:01:31,480 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:31" (1/1) ... [2023-11-24 23:01:31,524 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:31,807 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_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/sv-benchmarks/c/float-newlib/float_req_bl_0480.c[4489,4502] [2023-11-24 23:01:31,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:31,838 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:31,901 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_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/sv-benchmarks/c/float-newlib/float_req_bl_0480.c[4489,4502] [2023-11-24 23:01:31,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:31,921 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:31,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31 WrapperNode [2023-11-24 23:01:31,922 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:31,923 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:31,923 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:31,923 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:31,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ... [2023-11-24 23:01:31,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ... [2023-11-24 23:01:31,975 INFO L138 Inliner]: procedures = 21, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 152 [2023-11-24 23:01:31,976 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:31,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:31,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:31,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:31,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ... [2023-11-24 23:01:31,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ... [2023-11-24 23:01:31,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ... [2023-11-24 23:01:31,994 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ... [2023-11-24 23:01:32,008 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ... [2023-11-24 23:01:32,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ... [2023-11-24 23:01:32,017 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ... [2023-11-24 23:01:32,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ... [2023-11-24 23:01:32,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:32,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:32,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:32,027 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:32,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ... [2023-11-24 23:01:32,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:32,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:32,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:32,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:01:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:01:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:01:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-24 23:01:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:01:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:32,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-24 23:01:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:01:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:01:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2023-11-24 23:01:32,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2023-11-24 23:01:32,221 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:01:32,223 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:15,339 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:15,428 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:02:15,429 INFO L309 CfgBuilder]: Removed 14 assume(true) statements. [2023-11-24 23:02:15,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:15 BoogieIcfgContainer [2023-11-24 23:02:15,430 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:02:15,432 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:02:15,432 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:02:15,442 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:02:15,442 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:15" (1/1) ... [2023-11-24 23:02:15,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:02:15,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:15,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2023-11-24 23:02:15,513 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2023-11-24 23:02:15,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:02:15,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:15,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:02:15,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:02:15,519 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:02:15,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:02:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:16,205 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:02:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:16,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:02:16,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:02:16,311 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 23:02:16,316 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:02:16,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:02:26,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:02:27,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:27,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2023-11-24 23:02:27,150 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2023-11-24 23:02:27,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:02:27,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:27,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:02:27,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:02:27,154 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:02:27,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b894e404-4ad6-42a9-a6f4-2700ec6ba3d4/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process