./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3 --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 6be8c61124ae7b0d434e1a6e7e7df1be3e3bca0c1d0e7a5376e369656416ef61 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:25:55,929 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:25:56,017 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:25:56,022 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:25:56,022 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:25:56,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:25:56,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:25:56,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:25:56,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:25:56,055 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:25:56,056 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:25:56,057 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:25:56,057 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:25:56,057 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:25:56,057 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:25:56,057 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:25:56,057 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:25:56,057 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:25:56,057 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:25:56,057 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:25:56,057 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:25:56,058 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:25:56,058 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:25:56,058 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:25:56,058 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:25:56,058 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:25:56,058 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:25:56,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:25:56,058 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:25:56,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:25:56,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:25:56,059 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:25:56,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:25:56,059 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3 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 -> 6be8c61124ae7b0d434e1a6e7e7df1be3e3bca0c1d0e7a5376e369656416ef61 [2024-11-25 05:25:56,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:25:56,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:25:56,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:25:56,377 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:25:56,380 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:25:56,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2024-11-25 05:25:59,366 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/data/f1eb7d494/88005d9450254882b6488d13e3a6b0b4/FLAG7943f79ba [2024-11-25 05:25:59,608 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:25:59,609 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2024-11-25 05:25:59,625 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/data/f1eb7d494/88005d9450254882b6488d13e3a6b0b4/FLAG7943f79ba [2024-11-25 05:25:59,675 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/data/f1eb7d494/88005d9450254882b6488d13e3a6b0b4 [2024-11-25 05:25:59,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:25:59,686 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:25:59,688 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:25:59,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:25:59,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:25:59,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:25:59" (1/1) ... [2024-11-25 05:25:59,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@663f91e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:59, skipping insertion in model container [2024-11-25 05:25:59,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:25:59" (1/1) ... [2024-11-25 05:25:59,718 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:25:59,874 WARN L250 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_c1f32443-0a73-45d6-8e57-8aab6bf43816/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c[352,365] [2024-11-25 05:25:59,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:25:59,889 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:25:59,903 WARN L250 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_c1f32443-0a73-45d6-8e57-8aab6bf43816/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c[352,365] [2024-11-25 05:25:59,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:25:59,921 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:25:59,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:59 WrapperNode [2024-11-25 05:25:59,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:25:59,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:25:59,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:25:59,924 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:25:59,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:59" (1/1) ... [2024-11-25 05:25:59,940 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:59" (1/1) ... [2024-11-25 05:25:59,956 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2024-11-25 05:25:59,956 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:25:59,957 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:25:59,957 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:25:59,957 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:25:59,963 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:59" (1/1) ... [2024-11-25 05:25:59,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:59" (1/1) ... [2024-11-25 05:25:59,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:59" (1/1) ... [2024-11-25 05:25:59,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:59" (1/1) ... [2024-11-25 05:25:59,970 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:59" (1/1) ... [2024-11-25 05:25:59,971 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:59" (1/1) ... [2024-11-25 05:25:59,972 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:59" (1/1) ... [2024-11-25 05:25:59,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:59" (1/1) ... [2024-11-25 05:25:59,973 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:59" (1/1) ... [2024-11-25 05:25:59,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:25:59,978 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:25:59,978 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:25:59,979 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:25:59,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:59" (1/1) ... [2024-11-25 05:25:59,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:26:00,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:26:00,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:26:00,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:26:00,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:26:00,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:26:00,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:26:00,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:26:00,095 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:26:00,097 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:26:00,165 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-25 05:26:00,165 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:26:00,186 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:26:00,186 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 05:26:00,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:26:00 BoogieIcfgContainer [2024-11-25 05:26:00,187 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:26:00,187 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:26:00,188 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:26:00,197 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:26:00,198 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:26:00" (1/1) ... [2024-11-25 05:26:00,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:26:00,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:00,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-25 05:26:00,254 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-25 05:26:00,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 05:26:00,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:00,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:26:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:26:00,351 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:26:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:26:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:26:00,417 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:26:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:26:00,428 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 05:26:00,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:26:00 ImpRootNode [2024-11-25 05:26:00,444 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:26:00,444 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:26:00,444 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:26:00,445 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:26:00,445 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:26:00" (3/4) ... [2024-11-25 05:26:00,448 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 05:26:00,450 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:26:00,451 INFO L158 Benchmark]: Toolchain (without parser) took 764.66ms. Allocated memory is still 142.6MB. Free memory was 119.9MB in the beginning and 88.8MB in the end (delta: 31.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:26:00,451 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:26:00,455 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.94ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 109.4MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:26:00,455 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.19ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 108.3MB in the end (delta: 842.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:26:00,455 INFO L158 Benchmark]: Boogie Preprocessor took 20.43ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 107.6MB in the end (delta: 754.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:26:00,456 INFO L158 Benchmark]: RCFGBuilder took 209.09ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 98.6MB in the end (delta: 9.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:26:00,456 INFO L158 Benchmark]: CodeCheck took 256.36ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 89.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:26:00,457 INFO L158 Benchmark]: Witness Printer took 5.45ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 88.8MB in the end (delta: 253.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:26:00,459 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 12]: 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 to_int at line 9, overapproximation of to_real at line 10. Possible FailurePath: [L6] unsigned int i, j; [L7] double d; [L9] i=100.0 [L10] d=i [L11] j=d [L12] COND TRUE !(j==100) [L12] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.94ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 109.4MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.19ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 108.3MB in the end (delta: 842.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.43ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 107.6MB in the end (delta: 754.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 209.09ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 98.6MB in the end (delta: 9.0MB). There was no memory consumed. Max. memory is 16.1GB. * CodeCheck took 256.36ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 89.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.45ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 88.8MB in the end (delta: 253.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 05:26:00,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3 --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 6be8c61124ae7b0d434e1a6e7e7df1be3e3bca0c1d0e7a5376e369656416ef61 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:26:03,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:26:03,161 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 05:26:03,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:26:03,212 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:26:03,213 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:26:03,213 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:26:03,213 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:26:03,214 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:26:03,214 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:26:03,215 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:26:03,215 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:26:03,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:26:03,216 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:26:03,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:26:03,216 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:26:03,216 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:26:03,217 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:26:03,217 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:26:03,217 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:26:03,217 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:26:03,217 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:26:03,217 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:26:03,217 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:26:03,218 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:26:03,218 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:26:03,218 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:03,218 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:26:03,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:26:03,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:26:03,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:26:03,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:26:03,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:26:03,220 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:26:03,220 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:03,220 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:26:03,220 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3 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 -> 6be8c61124ae7b0d434e1a6e7e7df1be3e3bca0c1d0e7a5376e369656416ef61 [2024-11-25 05:26:03,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:26:03,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:26:03,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:26:03,568 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:26:03,569 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:26:03,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2024-11-25 05:26:06,636 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/data/526c70028/0a147344477444589f219b37fba2ec79/FLAGdc2bbe805 [2024-11-25 05:26:06,864 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:26:06,865 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2024-11-25 05:26:06,875 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/data/526c70028/0a147344477444589f219b37fba2ec79/FLAGdc2bbe805 [2024-11-25 05:26:06,890 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/data/526c70028/0a147344477444589f219b37fba2ec79 [2024-11-25 05:26:06,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:26:06,894 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:26:06,895 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:26:06,895 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:26:06,900 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:26:06,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:26:06" (1/1) ... [2024-11-25 05:26:06,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f1eb8dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:06, skipping insertion in model container [2024-11-25 05:26:06,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:26:06" (1/1) ... [2024-11-25 05:26:06,915 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:26:07,091 WARN L250 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_c1f32443-0a73-45d6-8e57-8aab6bf43816/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c[352,365] [2024-11-25 05:26:07,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:26:07,115 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:26:07,130 WARN L250 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_c1f32443-0a73-45d6-8e57-8aab6bf43816/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c[352,365] [2024-11-25 05:26:07,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:26:07,148 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:26:07,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:07 WrapperNode [2024-11-25 05:26:07,149 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:26:07,150 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:26:07,151 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:26:07,151 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:26:07,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:07" (1/1) ... [2024-11-25 05:26:07,168 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:07" (1/1) ... [2024-11-25 05:26:07,184 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-11-25 05:26:07,185 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:26:07,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:26:07,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:26:07,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:26:07,193 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:07" (1/1) ... [2024-11-25 05:26:07,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:07" (1/1) ... [2024-11-25 05:26:07,194 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:07" (1/1) ... [2024-11-25 05:26:07,196 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:07" (1/1) ... [2024-11-25 05:26:07,202 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:07" (1/1) ... [2024-11-25 05:26:07,207 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:07" (1/1) ... [2024-11-25 05:26:07,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:07" (1/1) ... [2024-11-25 05:26:07,209 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:07" (1/1) ... [2024-11-25 05:26:07,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:07" (1/1) ... [2024-11-25 05:26:07,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:26:07,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:26:07,218 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:26:07,218 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:26:07,219 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:26:07" (1/1) ... [2024-11-25 05:26:07,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:26:07,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:26:07,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:26:07,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:26:07,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:26:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:26:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:26:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:26:07,368 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:26:07,370 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:26:07,552 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 05:26:07,552 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:26:07,582 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:26:07,582 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 05:26:07,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:26:07 BoogieIcfgContainer [2024-11-25 05:26:07,583 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:26:07,584 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:26:07,584 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:26:07,595 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:26:07,595 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:26:07" (1/1) ... [2024-11-25 05:26:07,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:26:07,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:07,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-25 05:26:07,664 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-25 05:26:07,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 05:26:07,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:26:07,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:26:07,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:26:07,671 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:26:07,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 05:26:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:07,745 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:26:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:26:07,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 05:26:07,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:26:07,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:26:07,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 05:26:08,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:26:08,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-25 05:26:08,030 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-25 05:26:08,031 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 05:26:08,031 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-25 05:26:08,042 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 05:26:08,069 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 05:26:08,069 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2024-11-25 05:26:08,071 INFO L77 FloydHoareUtils]: At program point L12(line 12) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_main_~j~0#1| ((_ fp.to_ubv 32) roundTowardZero ((_ to_fp_unsigned 11 53) currentRoundingMode ((_ fp.to_ubv 32) roundTowardZero ((_ to_fp 11 53) currentRoundingMode 100.0)))))) [2024-11-25 05:26:08,071 INFO L75 FloydHoareUtils]: For program point L12-1(line 12) no Hoare annotation was computed. [2024-11-25 05:26:08,072 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 05:26:08,072 INFO L77 FloydHoareUtils]: At program point L4(lines 4 13) the Hoare annotation is: true [2024-11-25 05:26:08,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:26:08 ImpRootNode [2024-11-25 05:26:08,075 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:26:08,076 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:26:08,076 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:26:08,076 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:26:08,079 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:26:07" (3/4) ... [2024-11-25 05:26:08,082 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 05:26:08,089 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-25 05:26:08,090 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-25 05:26:08,090 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 05:26:08,090 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 05:26:08,155 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:26:08,155 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:26:08,156 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:26:08,157 INFO L158 Benchmark]: Toolchain (without parser) took 1262.67ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 52.4MB in the end (delta: 39.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 05:26:08,159 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:26:08,160 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.57ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 81.1MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:26:08,160 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.52ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:26:08,161 INFO L158 Benchmark]: Boogie Preprocessor took 29.92ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.2MB in the end (delta: 753.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:26:08,161 INFO L158 Benchmark]: RCFGBuilder took 367.16ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 69.2MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:26:08,162 INFO L158 Benchmark]: CodeCheck took 491.59ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 56.6MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:26:08,162 INFO L158 Benchmark]: Witness Printer took 79.56ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 52.4MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:26:08,165 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 1 QuantifiedInterpolants, 13 SizeOfPredicates, 1 NumberOfNonLiveVariables, 16 ConjunctsInSsa, 2 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 12]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.57ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 81.1MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.52ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.92ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.2MB in the end (delta: 753.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 367.16ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 69.2MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 491.59ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 56.6MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 79.56ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 52.4MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 05:26:08,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f32443-0a73-45d6-8e57-8aab6bf43816/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE