./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1092d.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_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/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_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1092d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/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_d4f79f71-7667-4c4f-a99e-e7d61c899c27/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 e19935633e394bb6492032fcd7d527ec5c122487e90b0c79abdb6dfbdef24c42 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:46,773 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:46,837 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:05:46,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:05:46,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:05:46,868 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:46,869 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:05:46,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:05:46,871 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:46,872 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:46,872 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:46,873 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:05:46,874 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:05:46,875 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:05:46,875 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:05:46,876 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:46,876 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:05:46,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:46,878 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:05:46,878 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:05:46,879 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:05:46,880 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:46,880 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:46,881 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:46,881 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:46,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:46,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:46,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:46,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:46,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:05:46,885 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:05:46,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:05:46,886 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:05:46,886 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_d4f79f71-7667-4c4f-a99e-e7d61c899c27/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e19935633e394bb6492032fcd7d527ec5c122487e90b0c79abdb6dfbdef24c42 [2023-11-24 23:05:47,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:47,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:47,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:47,216 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:47,217 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:47,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/float_req_bl_1092d.c [2023-11-24 23:05:50,321 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:50,526 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:50,526 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/sv-benchmarks/c/float-newlib/float_req_bl_1092d.c [2023-11-24 23:05:50,534 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/data/da4608f94/a61d3f54e62b4ac59ca47db3080bdb91/FLAG06395bdc2 [2023-11-24 23:05:50,547 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/data/da4608f94/a61d3f54e62b4ac59ca47db3080bdb91 [2023-11-24 23:05:50,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:50,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:50,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:50,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:50,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:50,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:50" (1/1) ... [2023-11-24 23:05:50,560 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6655b150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:50, skipping insertion in model container [2023-11-24 23:05:50,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:50" (1/1) ... [2023-11-24 23:05:50,585 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:50,769 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_d4f79f71-7667-4c4f-a99e-e7d61c899c27/sv-benchmarks/c/float-newlib/float_req_bl_1092d.c[1790,1803] [2023-11-24 23:05:50,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:50,783 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:50,810 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_d4f79f71-7667-4c4f-a99e-e7d61c899c27/sv-benchmarks/c/float-newlib/float_req_bl_1092d.c[1790,1803] [2023-11-24 23:05:50,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:50,826 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:50,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:50 WrapperNode [2023-11-24 23:05:50,827 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:50,828 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:50,829 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:50,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:50,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:50" (1/1) ... [2023-11-24 23:05:50,846 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:50" (1/1) ... [2023-11-24 23:05:50,879 INFO L138 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 117 [2023-11-24 23:05:50,880 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:50,881 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:50,881 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:50,881 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:50,893 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:50" (1/1) ... [2023-11-24 23:05:50,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:50" (1/1) ... [2023-11-24 23:05:50,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:50" (1/1) ... [2023-11-24 23:05:50,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:50" (1/1) ... [2023-11-24 23:05:50,906 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:50" (1/1) ... [2023-11-24 23:05:50,911 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:50" (1/1) ... [2023-11-24 23:05:50,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:50" (1/1) ... [2023-11-24 23:05:50,914 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:50" (1/1) ... [2023-11-24 23:05:50,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:50,918 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:50,919 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:50,919 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:50,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:50" (1/1) ... [2023-11-24 23:05:50,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:50,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:50,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:50,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:51,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:51,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:05:51,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:05:51,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:05:51,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:05:51,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:05:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:51,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:05:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:05:51,110 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:51,114 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:51,442 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:51,661 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:05:51,661 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-24 23:05:51,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:51 BoogieIcfgContainer [2023-11-24 23:05:51,663 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:05:51,664 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:05:51,664 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:05:51,675 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:05:51,676 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:51" (1/1) ... [2023-11-24 23:05:51,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:05:51,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:51,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2023-11-24 23:05:51,749 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2023-11-24 23:05:51,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:05:51,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:51,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:51,955 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 23:05:51,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:51,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-24 23:05:51,996 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-24 23:05:51,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:05:51,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:51,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:52,146 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:05:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:52,297 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:05:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:05:52,338 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 23:05:52,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:05:52 ImpRootNode [2023-11-24 23:05:52,366 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:05:52,367 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:05:52,367 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:05:52,367 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:05:52,368 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:51" (3/4) ... [2023-11-24 23:05:52,370 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:05:52,371 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:05:52,372 INFO L158 Benchmark]: Toolchain (without parser) took 1820.54ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 104.9MB in the beginning and 153.0MB in the end (delta: -48.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:52,373 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 151.0MB. Free memory is still 121.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:52,373 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.53ms. Allocated memory is still 151.0MB. Free memory was 104.6MB in the beginning and 93.4MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:05:52,374 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.67ms. Allocated memory is still 151.0MB. Free memory was 93.4MB in the beginning and 91.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:52,375 INFO L158 Benchmark]: Boogie Preprocessor took 36.91ms. Allocated memory is still 151.0MB. Free memory was 91.5MB in the beginning and 89.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:52,376 INFO L158 Benchmark]: RCFGBuilder took 744.90ms. Allocated memory is still 151.0MB. Free memory was 89.7MB in the beginning and 64.8MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-24 23:05:52,376 INFO L158 Benchmark]: CodeCheck took 702.05ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 64.5MB in the beginning and 153.0MB in the end (delta: -88.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:52,377 INFO L158 Benchmark]: Witness Printer took 4.78ms. Allocated memory is still 195.0MB. Free memory is still 153.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:52,380 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 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, 12 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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: 83]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 46. Possible FailurePath: [L13] static const float huge_ceil = 1.0e30; [L78] float x = -1.0f / 0.0f; [L79] CALL, EXPR ceil_float(x) [L16] __int32_t i0, j0; [L17] __uint32_t i, ix; VAL [\old(x)=2, huge_ceil=1000000000000000000000000000000, x=2] [L19] ieee_float_shape_type gf_u; [L20] EXPR gf_u.value = (x) [L21] EXPR gf_u.word [L21] EXPR (i0) = gf_u.word [L18-L22] { ieee_float_shape_type gf_u; gf_u.value = (x); (i0) = gf_u.word; } VAL [\old(x)=2, huge_ceil=1000000000000000000000000000000, i0=2139095039, x=2] [L23] ix = (i0 & 0x7fffffff) [L24] j0 = (ix >> 23) - 0x7f VAL [\old(x)=2, huge_ceil=1000000000000000000000000000000, i0=2139095039, i=2139095039, j0=127, x=2] [L25] COND FALSE !(j0 < 23) [L45] COND FALSE !(!((ix) < 0x7f800000L)) [L48] return x; VAL [\old(x)=2, \result=2, huge_ceil=1000000000000000000000000000000, i0=2139095039, i=2139095039, j0=127, x=2] [L79] RET, EXPR ceil_float(x) [L79] float res = ceil_float(x); [L82] CALL, EXPR isinf_float(res) [L60] __int32_t ix; VAL [\old(x)=2, huge_ceil=1000000000000000000000000000000, x=2] [L62] ieee_float_shape_type gf_u; [L63] EXPR gf_u.value = (x) [L64] EXPR gf_u.word [L64] EXPR (ix) = gf_u.word [L61-L65] { ieee_float_shape_type gf_u; gf_u.value = (x); (ix) = gf_u.word; } VAL [\old(x)=2, huge_ceil=1000000000000000000000000000000, ix=0, x=2] [L66] ix &= 0x7fffffff [L67] return ((ix) == 0x7f800000L); [L82] RET, EXPR isinf_float(res) [L82] COND TRUE !isinf_float(res) [L83] reach_error() VAL [huge_ceil=1000000000000000000000000000000, res=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 151.0MB. Free memory is still 121.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.53ms. Allocated memory is still 151.0MB. Free memory was 104.6MB in the beginning and 93.4MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.67ms. Allocated memory is still 151.0MB. Free memory was 93.4MB in the beginning and 91.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.91ms. Allocated memory is still 151.0MB. Free memory was 91.5MB in the beginning and 89.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 744.90ms. Allocated memory is still 151.0MB. Free memory was 89.7MB in the beginning and 64.8MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 702.05ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 64.5MB in the beginning and 153.0MB in the end (delta: -88.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.78ms. Allocated memory is still 195.0MB. Free memory is still 153.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:05:52,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/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_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/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_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1092d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/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_d4f79f71-7667-4c4f-a99e-e7d61c899c27/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 e19935633e394bb6492032fcd7d527ec5c122487e90b0c79abdb6dfbdef24c42 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:55,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:55,286 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:05:55,344 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:55,345 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:05:55,346 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:05:55,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:55,348 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:55,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:55,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:05:55,355 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:05:55,355 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:05:55,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:55,357 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:05:55,358 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:55,358 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:05:55,359 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:05:55,359 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:05:55,359 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:05:55,360 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:05:55,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:05:55,361 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:55,362 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:55,362 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:55,363 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:55,363 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:55,364 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:05:55,364 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:55,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:55,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:55,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:55,366 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:05:55,367 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:05:55,367 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:55,367 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:05:55,368 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:05:55,368 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:05:55,368 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_d4f79f71-7667-4c4f-a99e-e7d61c899c27/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e19935633e394bb6492032fcd7d527ec5c122487e90b0c79abdb6dfbdef24c42 [2023-11-24 23:05:55,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:55,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:55,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:55,829 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:55,829 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:55,831 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/float_req_bl_1092d.c [2023-11-24 23:05:59,070 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:59,379 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:59,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/sv-benchmarks/c/float-newlib/float_req_bl_1092d.c [2023-11-24 23:05:59,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/data/b41549317/390888c21a4541c4bb426c7cb6c55ea3/FLAG753fb69d2 [2023-11-24 23:05:59,401 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/data/b41549317/390888c21a4541c4bb426c7cb6c55ea3 [2023-11-24 23:05:59,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:59,405 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:59,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:59,407 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:59,412 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:59,413 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:59" (1/1) ... [2023-11-24 23:05:59,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@510ce0e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:59, skipping insertion in model container [2023-11-24 23:05:59,415 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:59" (1/1) ... [2023-11-24 23:05:59,440 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:59,669 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_d4f79f71-7667-4c4f-a99e-e7d61c899c27/sv-benchmarks/c/float-newlib/float_req_bl_1092d.c[1790,1803] [2023-11-24 23:05:59,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:59,695 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:59,751 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_d4f79f71-7667-4c4f-a99e-e7d61c899c27/sv-benchmarks/c/float-newlib/float_req_bl_1092d.c[1790,1803] [2023-11-24 23:05:59,752 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:59,773 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:59,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:59 WrapperNode [2023-11-24 23:05:59,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:59,775 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:59,775 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:59,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:59,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:59" (1/1) ... [2023-11-24 23:05:59,809 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:59" (1/1) ... [2023-11-24 23:05:59,848 INFO L138 Inliner]: procedures = 19, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2023-11-24 23:05:59,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:59,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:59,850 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:59,850 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:59,861 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:59" (1/1) ... [2023-11-24 23:05:59,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:59" (1/1) ... [2023-11-24 23:05:59,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:59" (1/1) ... [2023-11-24 23:05:59,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:59" (1/1) ... [2023-11-24 23:05:59,890 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:59" (1/1) ... [2023-11-24 23:05:59,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:59" (1/1) ... [2023-11-24 23:05:59,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:59" (1/1) ... [2023-11-24 23:05:59,925 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:59" (1/1) ... [2023-11-24 23:05:59,929 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:59,930 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:59,930 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:59,930 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:59,931 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:59" (1/1) ... [2023-11-24 23:05:59,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:59,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:59,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:59,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:06:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:06:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:06:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:06:00,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-24 23:06:00,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:06:00,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:06:00,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:06:00,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-24 23:06:00,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:06:00,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:06:00,166 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:06:00,168 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:06:00,857 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:06:00,919 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:06:00,919 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-24 23:06:00,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:00 BoogieIcfgContainer [2023-11-24 23:06:00,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:06:00,922 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:06:00,922 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:06:00,932 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:06:00,932 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:00" (1/1) ... [2023-11-24 23:06:00,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:06:00,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:00,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2023-11-24 23:06:00,998 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2023-11-24 23:06:01,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:06:01,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:01,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:06:01,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:06:01,005 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:06:01,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:06:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:01,172 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:06:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:01,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:06:01,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:01,220 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 23:06:01,223 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:06:01,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:06:01,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:01,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-24 23:06:01,330 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-24 23:06:01,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:06:01,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:01,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:06:01,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:06:01,333 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:06:01,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 23:06:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:01,612 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:06:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:01,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 23:06:01,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:01,829 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 23:06:02,214 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:06:02,215 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2023-11-24 23:06:02,227 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 27 treesize of output 15 [2023-11-24 23:06:02,674 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 23:06:02,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-24 23:06:04,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:04,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2023-11-24 23:06:04,224 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2023-11-24 23:06:04,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:06:04,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:04,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:06:04,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:06:04,228 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:06:04,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 23:06:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:04,544 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:06:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:04,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:06:04,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:04,627 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:06:04,628 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2023-11-24 23:06:05,042 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 23:06:05,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:06:06,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:06,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 12 states and 11 transitions. [2023-11-24 23:06:06,766 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2023-11-24 23:06:06,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:06:06,767 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-11-24 23:06:06,780 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 23:06:06,926 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2023-11-24 23:06:06,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode, v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11 : bv32 :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11][0bv32][31:31], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11][0bv32][30:23], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11][0bv32][22:0]) && ~fp.add~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32())) == #res) could not be translated [2023-11-24 23:06:06,931 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:06:06,933 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2023-11-24 23:06:06,934 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2023-11-24 23:06:06,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_arrayElimCell_1 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.add~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32())) == ~fp~32(~ix~1[31:31], ~ix~1[30:23], ~ix~1[22:0]) && ~fp~32(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]) == ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32())) could not be translated [2023-11-24 23:06:06,935 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2023-11-24 23:06:06,936 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode, v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11 : bv32 :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11][0bv32][31:31], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11][0bv32][30:23], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11][0bv32][22:0]) && ~fp.add~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32())) == ~x) could not be translated [2023-11-24 23:06:06,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:06:06 ImpRootNode [2023-11-24 23:06:06,936 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:06:06,937 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:06:06,937 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:06:06,938 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:06:06,938 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:00" (3/4) ... [2023-11-24 23:06:06,940 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:06:06,948 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-24 23:06:06,948 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-24 23:06:06,948 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 23:06:06,949 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:06:07,055 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:06:07,056 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:06:07,056 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:06:07,057 INFO L158 Benchmark]: Toolchain (without parser) took 7651.83ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 66.8MB in the beginning and 59.4MB in the end (delta: 7.5MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2023-11-24 23:06:07,058 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 65.0MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:06:07,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.07ms. Allocated memory is still 90.2MB. Free memory was 66.6MB in the beginning and 54.9MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:06:07,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.98ms. Allocated memory is still 90.2MB. Free memory was 54.7MB in the beginning and 53.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:06:07,059 INFO L158 Benchmark]: Boogie Preprocessor took 79.78ms. Allocated memory is still 90.2MB. Free memory was 53.2MB in the beginning and 51.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:06:07,059 INFO L158 Benchmark]: RCFGBuilder took 991.08ms. Allocated memory is still 90.2MB. Free memory was 51.3MB in the beginning and 54.5MB in the end (delta: -3.2MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2023-11-24 23:06:07,060 INFO L158 Benchmark]: CodeCheck took 6014.57ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 54.5MB in the beginning and 64.9MB in the end (delta: -10.4MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-11-24 23:06:07,060 INFO L158 Benchmark]: Witness Printer took 119.31ms. Allocated memory is still 109.1MB. Free memory was 64.3MB in the beginning and 59.4MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:06:07,063 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 103 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 49 mSDtfsCounter, 88 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 249 GetRequests, 224 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 10 QuantifiedInterpolants, 394 SizeOfPredicates, 20 NumberOfNonLiveVariables, 141 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 83]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 65.0MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.07ms. Allocated memory is still 90.2MB. Free memory was 66.6MB in the beginning and 54.9MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.98ms. Allocated memory is still 90.2MB. Free memory was 54.7MB in the beginning and 53.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 79.78ms. Allocated memory is still 90.2MB. Free memory was 53.2MB in the beginning and 51.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 991.08ms. Allocated memory is still 90.2MB. Free memory was 51.3MB in the beginning and 54.5MB in the end (delta: -3.2MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * CodeCheck took 6014.57ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 54.5MB in the beginning and 64.9MB in the end (delta: -10.4MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Witness Printer took 119.31ms. Allocated memory is still 109.1MB. Free memory was 64.3MB in the beginning and 59.4MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode, v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11 : bv32 :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11][0bv32][31:31], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11][0bv32][30:23], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11][0bv32][22:0]) && ~fp.add~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32())) == #res) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_arrayElimCell_1 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.add~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32())) == ~fp~32(~ix~1[31:31], ~ix~1[30:23], ~ix~1[22:0]) && ~fp~32(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]) == ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode, v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11 : bv32 :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11][0bv32][31:31], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11][0bv32][30:23], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11][0bv32][22:0]) && ~fp.add~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32())) == ~x) could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-24 23:06:07,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79f71-7667-4c4f-a99e-e7d61c899c27/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE