./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1092b.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_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/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_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/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_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/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 b6a79bd811ba30bc3163e272e2b4a2c8d4bc7e99a75fdcec3ffb0e3966342f97 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:04:19,671 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:04:19,768 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:04:19,777 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:04:19,778 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:04:19,818 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:04:19,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:04:19,820 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:04:19,821 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:04:19,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:04:19,827 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:04:19,827 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:04:19,828 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:04:19,829 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:04:19,830 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:04:19,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:04:19,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:04:19,831 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:04:19,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:04:19,832 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:04:19,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:04:19,833 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:04:19,833 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:04:19,833 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:04:19,834 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:04:19,834 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:04:19,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:19,835 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:04:19,835 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:04:19,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:04:19,836 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:04:19,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:04:19,837 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:04:19,837 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_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6a79bd811ba30bc3163e272e2b4a2c8d4bc7e99a75fdcec3ffb0e3966342f97 [2023-11-24 23:04:20,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:04:20,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:04:20,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:04:20,147 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:04:20,148 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:04:20,149 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/double_req_bl_1092b.c [2023-11-24 23:04:23,276 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:04:23,490 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:04:23,490 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c [2023-11-24 23:04:23,499 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/data/c8fbd1647/0461bf0267b547f28db9c8f2cd2707e8/FLAG65e210eac [2023-11-24 23:04:23,514 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/data/c8fbd1647/0461bf0267b547f28db9c8f2cd2707e8 [2023-11-24 23:04:23,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:04:23,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:04:23,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:23,521 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:04:23,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:04:23,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:23" (1/1) ... [2023-11-24 23:04:23,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b27a288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:23, skipping insertion in model container [2023-11-24 23:04:23,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:23" (1/1) ... [2023-11-24 23:04:23,553 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:23,745 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_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c[2109,2122] [2023-11-24 23:04:23,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:23,760 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:23,790 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_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c[2109,2122] [2023-11-24 23:04:23,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:23,807 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:23,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:23 WrapperNode [2023-11-24 23:04:23,808 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:23,809 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:23,809 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:23,810 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:23,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:23" (1/1) ... [2023-11-24 23:04:23,827 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:23" (1/1) ... [2023-11-24 23:04:23,856 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 160 [2023-11-24 23:04:23,857 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:23,858 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:23,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:23,858 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:23,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:23" (1/1) ... [2023-11-24 23:04:23,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:23" (1/1) ... [2023-11-24 23:04:23,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:23" (1/1) ... [2023-11-24 23:04:23,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:23" (1/1) ... [2023-11-24 23:04:23,886 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:23" (1/1) ... [2023-11-24 23:04:23,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:23" (1/1) ... [2023-11-24 23:04:23,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:23" (1/1) ... [2023-11-24 23:04:23,908 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:23" (1/1) ... [2023-11-24 23:04:23,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:23,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:23,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:23,912 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:23,913 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:23" (1/1) ... [2023-11-24 23:04:23,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:23,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:23,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:23,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:23,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:04:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:04:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:04:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:04:23,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:04:23,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:23,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:23,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:04:23,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:04:24,072 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:24,075 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:24,556 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:24,833 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:04:24,833 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 23:04:24,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:24 BoogieIcfgContainer [2023-11-24 23:04:24,835 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:04:24,836 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:04:24,836 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:04:24,847 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:04:24,847 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:24" (1/1) ... [2023-11-24 23:04:24,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:04:24,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:24,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2023-11-24 23:04:24,912 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2023-11-24 23:04:24,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:04:24,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:24,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:25,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:25,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:25,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-11-24 23:04:25,103 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-11-24 23:04:25,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:04:25,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:25,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:25,183 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:04:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:25,304 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:04:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:04:25,347 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 23:04:25,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:04:25 ImpRootNode [2023-11-24 23:04:25,377 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:04:25,378 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:04:25,378 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:04:25,378 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:04:25,379 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:24" (3/4) ... [2023-11-24 23:04:25,383 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:04:25,384 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:04:25,386 INFO L158 Benchmark]: Toolchain (without parser) took 1866.34ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 80.3MB in the beginning and 102.4MB in the end (delta: -22.2MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2023-11-24 23:04:25,387 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory was 98.0MB in the beginning and 97.9MB in the end (delta: 71.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:25,387 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.05ms. Allocated memory is still 125.8MB. Free memory was 80.3MB in the beginning and 68.8MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:04:25,388 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.91ms. Allocated memory is still 125.8MB. Free memory was 68.8MB in the beginning and 66.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:25,389 INFO L158 Benchmark]: Boogie Preprocessor took 53.49ms. Allocated memory is still 125.8MB. Free memory was 66.8MB in the beginning and 64.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:25,390 INFO L158 Benchmark]: RCFGBuilder took 923.40ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 64.7MB in the beginning and 123.6MB in the end (delta: -58.8MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2023-11-24 23:04:25,396 INFO L158 Benchmark]: CodeCheck took 540.92ms. Allocated memory is still 180.4MB. Free memory was 123.6MB in the beginning and 102.4MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 23:04:25,397 INFO L158 Benchmark]: Witness Printer took 6.77ms. Allocated memory is still 180.4MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:25,405 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, 18 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, 24 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, 55 GetRequests, 55 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, 0.0s 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: 98]: 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 someBinaryDOUBLEComparisonOperation at line 97, overapproximation of someBinaryArithmeticDOUBLEoperation at line 55. Possible FailurePath: [L19] static const double huge_ceil = 1.0e300; [L93] double x = 0.0; [L94] CALL, EXPR ceil_double(x) [L22] __int32_t i0, i1, j0; [L23] __uint32_t i, j; VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L25] ieee_double_shape_type ew_u; [L26] EXPR ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] EXPR (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] EXPR (i1) = ew_u.parts.lsw [L24-L29] { ieee_double_shape_type ew_u; ew_u.value = (x); (i0) = ew_u.parts.msw; (i1) = ew_u.parts.lsw; } VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=1127219200, i1=0, x=0] [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=1127219200, i1=0, j0=52, x=0] [L31] COND FALSE !(j0 < 20) VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=1127219200, i1=0, j0=52, x=0] [L53] COND TRUE j0 > 51 [L54] COND FALSE !(j0 == 0x400) [L57] return x; VAL [\old(x)=0, \result=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=1127219200, i1=0, j0=52, x=0] [L94] RET, EXPR ceil_double(x) [L94] double res = ceil_double(x); [L97] COND TRUE res != x VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=0, x=0] [L98] reach_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=0, x=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory was 98.0MB in the beginning and 97.9MB in the end (delta: 71.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.05ms. Allocated memory is still 125.8MB. Free memory was 80.3MB in the beginning and 68.8MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.91ms. Allocated memory is still 125.8MB. Free memory was 68.8MB in the beginning and 66.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.49ms. Allocated memory is still 125.8MB. Free memory was 66.8MB in the beginning and 64.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 923.40ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 64.7MB in the beginning and 123.6MB in the end (delta: -58.8MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * CodeCheck took 540.92ms. Allocated memory is still 180.4MB. Free memory was 123.6MB in the beginning and 102.4MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 6.77ms. Allocated memory is still 180.4MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:04:25,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/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_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/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_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/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_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/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 b6a79bd811ba30bc3163e272e2b4a2c8d4bc7e99a75fdcec3ffb0e3966342f97 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:04:28,063 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:04:28,194 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:04:28,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:04:28,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:04:28,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:04:28,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:04:28,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:04:28,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:04:28,252 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:04:28,253 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:04:28,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:04:28,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:04:28,255 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:04:28,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:04:28,256 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:04:28,256 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:04:28,257 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:04:28,257 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:04:28,258 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:04:28,259 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:04:28,259 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:04:28,260 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:04:28,260 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:04:28,261 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:04:28,261 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:28,261 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:04:28,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:04:28,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:28,263 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:04:28,264 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:04:28,264 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:04:28,264 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:04:28,265 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:28,265 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:04:28,265 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:04:28,266 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:04:28,266 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_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6a79bd811ba30bc3163e272e2b4a2c8d4bc7e99a75fdcec3ffb0e3966342f97 [2023-11-24 23:04:28,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:04:28,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:04:28,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:04:28,741 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:04:28,741 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:04:28,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/double_req_bl_1092b.c [2023-11-24 23:04:31,909 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:04:32,149 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:04:32,155 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c [2023-11-24 23:04:32,164 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/data/941138258/ea3db17c274241ccb2a6a29d898ab756/FLAG5dbcdab0e [2023-11-24 23:04:32,181 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/data/941138258/ea3db17c274241ccb2a6a29d898ab756 [2023-11-24 23:04:32,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:04:32,186 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:04:32,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:32,188 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:04:32,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:04:32,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:32" (1/1) ... [2023-11-24 23:04:32,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b053311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:32, skipping insertion in model container [2023-11-24 23:04:32,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:32" (1/1) ... [2023-11-24 23:04:32,222 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:32,469 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_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c[2109,2122] [2023-11-24 23:04:32,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:32,489 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:32,518 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_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c[2109,2122] [2023-11-24 23:04:32,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:32,539 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:32,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:32 WrapperNode [2023-11-24 23:04:32,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:32,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:32,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:32,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:32,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:32" (1/1) ... [2023-11-24 23:04:32,560 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:32" (1/1) ... [2023-11-24 23:04:32,599 INFO L138 Inliner]: procedures = 19, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2023-11-24 23:04:32,599 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:32,600 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:32,600 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:32,600 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:32,621 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:32" (1/1) ... [2023-11-24 23:04:32,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:32" (1/1) ... [2023-11-24 23:04:32,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:32" (1/1) ... [2023-11-24 23:04:32,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:32" (1/1) ... [2023-11-24 23:04:32,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:32" (1/1) ... [2023-11-24 23:04:32,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:32" (1/1) ... [2023-11-24 23:04:32,688 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:32" (1/1) ... [2023-11-24 23:04:32,697 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:32" (1/1) ... [2023-11-24 23:04:32,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:32,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:32,703 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:32,703 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:32,704 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:32" (1/1) ... [2023-11-24 23:04:32,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:32,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:32,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:32,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:32,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:32,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-24 23:04:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-24 23:04:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:04:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:04:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:04:32,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:32,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:32,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:04:32,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:04:32,878 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:32,880 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:34,496 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:34,625 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:04:34,629 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 23:04:34,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:34 BoogieIcfgContainer [2023-11-24 23:04:34,631 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:04:34,632 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:04:34,632 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:04:34,642 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:04:34,643 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:34" (1/1) ... [2023-11-24 23:04:34,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:04:34,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:34,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2023-11-24 23:04:34,723 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2023-11-24 23:04:34,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:04:34,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:34,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:34,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:04:34,729 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:04:34,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:04:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:34,921 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:04:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:34,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:04:34,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:34,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:34,975 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:04:34,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:04:35,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:35,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-11-24 23:04:35,036 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-11-24 23:04:35,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:04:35,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:35,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:35,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:04:35,041 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:04:35,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 23:04:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:35,404 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:04:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:35,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:04:35,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:35,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:35,661 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:04:35,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:04:35,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:35,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-24 23:04:35,887 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-24 23:04:35,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:04:35,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:35,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:35,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:04:35,914 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:04:35,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 23:04:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:36,169 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:04:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:36,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 23:04:36,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:36,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:36,318 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:04:36,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:04:36,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:36,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2023-11-24 23:04:36,806 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2023-11-24 23:04:36,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:04:36,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:36,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:36,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:04:36,808 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:04:36,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 23:04:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:37,000 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:04:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:37,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:04:37,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:37,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:37,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-24 23:04:37,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:37,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 15 states and 14 transitions. [2023-11-24 23:04:37,238 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2023-11-24 23:04:37,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:04:37,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:37,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:37,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:04:37,240 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:04:37,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-24 23:04:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:37,695 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:04:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:37,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 23:04:37,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:37,916 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 23:04:37,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-11-24 23:04:43,131 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:04:43,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 24 [2023-11-24 23:04:43,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:43,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-24 23:04:47,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:47,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2023-11-24 23:04:47,896 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2023-11-24 23:04:47,896 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:04:47,896 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-24 23:04:47,905 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 23:04:48,131 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-24 23:04:48,135 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-24 23:04:48,136 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-24 23:04:48,136 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-24 23:04:48,137 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:04:48,137 INFO L560 CodeCheckObserver]: Invariant with dag size 27 [2023-11-24 23:04:48,141 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_13 : bv64, v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_19 : bv32 :: (((#memory_int[v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_19][4bv32] == v_skolemized_q#valueAsBitvector_13[63:32] && ~i1~0 == #memory_int[v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_19][0bv32]) && #memory_int[v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_19][4bv32] == ~i0~0) && ~fp~64(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~x~0) && #memory_int[v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_19][0bv32] == v_skolemized_q#valueAsBitvector_13[31:0]) could not be translated [2023-11-24 23:04:48,142 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-24 23:04:48,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:04:48 ImpRootNode [2023-11-24 23:04:48,143 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:04:48,143 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:04:48,144 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:04:48,144 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:04:48,144 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:34" (3/4) ... [2023-11-24 23:04:48,147 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:04:48,156 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-24 23:04:48,156 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-24 23:04:48,157 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 23:04:48,157 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:04:48,186 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == x) [2023-11-24 23:04:48,216 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == x) [2023-11-24 23:04:48,263 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:04:48,264 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:04:48,264 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:04:48,265 INFO L158 Benchmark]: Toolchain (without parser) took 16079.35ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 46.8MB in the beginning and 54.0MB in the end (delta: -7.2MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2023-11-24 23:04:48,265 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 71.3MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:48,266 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.19ms. Allocated memory is still 71.3MB. Free memory was 46.6MB in the beginning and 34.4MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:04:48,267 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.23ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 34.4MB in the beginning and 65.3MB in the end (delta: -30.9MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2023-11-24 23:04:48,267 INFO L158 Benchmark]: Boogie Preprocessor took 102.05ms. Allocated memory is still 86.0MB. Free memory was 65.3MB in the beginning and 63.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:48,268 INFO L158 Benchmark]: RCFGBuilder took 1928.08ms. Allocated memory is still 86.0MB. Free memory was 63.2MB in the beginning and 39.1MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:48,268 INFO L158 Benchmark]: CodeCheck took 13511.08ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 39.1MB in the beginning and 59.3MB in the end (delta: -20.3MB). Peak memory consumption was 328.7kB. Max. memory is 16.1GB. [2023-11-24 23:04:48,269 INFO L158 Benchmark]: Witness Printer took 120.90ms. Allocated memory is still 104.9MB. Free memory was 59.3MB in the beginning and 54.0MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:04:48,271 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, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 177 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 93 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 134 IncrementalHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 79 mSDtfsCounter, 134 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 391 GetRequests, 364 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 45 ConstructedInterpolants, 12 QuantifiedInterpolants, 445 SizeOfPredicates, 24 NumberOfNonLiveVariables, 199 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 98]: 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: 24]: Loop Invariant Derived loop invariant: (x == x) - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (\result == x) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 71.3MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.19ms. Allocated memory is still 71.3MB. Free memory was 46.6MB in the beginning and 34.4MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.23ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 34.4MB in the beginning and 65.3MB in the end (delta: -30.9MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.05ms. Allocated memory is still 86.0MB. Free memory was 65.3MB in the beginning and 63.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1928.08ms. Allocated memory is still 86.0MB. Free memory was 63.2MB in the beginning and 39.1MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 13511.08ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 39.1MB in the beginning and 59.3MB in the end (delta: -20.3MB). Peak memory consumption was 328.7kB. Max. memory is 16.1GB. * Witness Printer took 120.90ms. Allocated memory is still 104.9MB. Free memory was 59.3MB in the beginning and 54.0MB in the end (delta: 5.4MB). 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: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_13 : bv64, v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_19 : bv32 :: (((#memory_int[v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_19][4bv32] == v_skolemized_q#valueAsBitvector_13[63:32] && ~i1~0 == #memory_int[v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_19][0bv32]) && #memory_int[v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_19][4bv32] == ~i0~0) && ~fp~64(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~x~0) && #memory_int[v_ULTIMATE.start_ceil_double_~#ew_u~0#1.base_19][0bv32] == v_skolemized_q#valueAsBitvector_13[31:0]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 RESULT: Ultimate proved your program to be correct! [2023-11-24 23:04:48,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84a706c-fb34-47e3-8a7b-c6da04a7cf3f/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