./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/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_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm --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-826ab2b [2024-11-13 20:53:00,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:53:00,982 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:53:00,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:53:00,994 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:53:01,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:53:01,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:53:01,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:53:01,028 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:53:01,028 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:53:01,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:53:01,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:53:01,029 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:53:01,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:53:01,029 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:53:01,029 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:53:01,029 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:53:01,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:53:01,029 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:53:01,029 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:53:01,032 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:53:01,032 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:53:01,032 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:53:01,032 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:53:01,033 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:53:01,033 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:53:01,033 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:53:01,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:53:01,033 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:53:01,033 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:53:01,034 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:53:01,034 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:53:01,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:53:01,034 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_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 20:53:01,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:53:01,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:53:01,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:53:01,372 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:53:01,373 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:53:01,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c Unable to find full path for "g++" [2024-11-13 20:53:03,169 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:53:03,519 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:53:03,520 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2024-11-13 20:53:03,527 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/data/4e4d889b4/55919bbc612a4322857a59d9d794fc31/FLAG4c4ddcc79 [2024-11-13 20:53:03,541 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/data/4e4d889b4/55919bbc612a4322857a59d9d794fc31 [2024-11-13 20:53:03,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:53:03,544 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:53:03,545 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:53:03,545 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:53:03,548 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:53:03,549 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:53:03" (1/1) ... [2024-11-13 20:53:03,550 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dd3dfec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:03, skipping insertion in model container [2024-11-13 20:53:03,550 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:53:03" (1/1) ... [2024-11-13 20:53:03,563 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:53:03,717 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_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c[352,365] [2024-11-13 20:53:03,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:53:03,733 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:53:03,744 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_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c[352,365] [2024-11-13 20:53:03,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:53:03,758 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:53:03,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:03 WrapperNode [2024-11-13 20:53:03,759 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:53:03,760 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:53:03,760 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:53:03,760 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:53:03,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:03" (1/1) ... [2024-11-13 20:53:03,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:03" (1/1) ... [2024-11-13 20:53:03,787 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2024-11-13 20:53:03,788 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:53:03,789 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:53:03,789 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:53:03,789 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:53:03,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:03" (1/1) ... [2024-11-13 20:53:03,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:03" (1/1) ... [2024-11-13 20:53:03,798 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:03" (1/1) ... [2024-11-13 20:53:03,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:03" (1/1) ... [2024-11-13 20:53:03,802 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:03" (1/1) ... [2024-11-13 20:53:03,806 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:03" (1/1) ... [2024-11-13 20:53:03,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:03" (1/1) ... [2024-11-13 20:53:03,809 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:03" (1/1) ... [2024-11-13 20:53:03,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:53:03,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:53:03,814 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:53:03,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:53:03,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:03" (1/1) ... [2024-11-13 20:53:03,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:53:03,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:53:03,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:53:03,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:53:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:53:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:53:03,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:53:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:53:03,942 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:53:03,943 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:53:04,028 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-13 20:53:04,029 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:53:04,054 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:53:04,055 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:53:04,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:53:04 BoogieIcfgContainer [2024-11-13 20:53:04,055 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:53:04,056 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:53:04,056 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:53:04,068 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:53:04,068 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:53:04" (1/1) ... [2024-11-13 20:53:04,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:53:04,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:04,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 20:53:04,125 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 20:53:04,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 20:53:04,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:04,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:53:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:53:04,205 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:53:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:53:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:53:04,261 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:53:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:53:04,273 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:53:04,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:53:04 ImpRootNode [2024-11-13 20:53:04,291 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:53:04,291 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:53:04,292 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:53:04,292 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:53:04,292 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:53:04" (3/4) ... [2024-11-13 20:53:04,295 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:53:04,296 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:53:04,297 INFO L158 Benchmark]: Toolchain (without parser) took 752.32ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 86.4MB in the end (delta: 31.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 20:53:04,297 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:53:04,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.04ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 107.9MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:53:04,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.38ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 106.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:53:04,298 INFO L158 Benchmark]: Boogie Preprocessor took 21.10ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 106.3MB in the end (delta: 546.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:53:04,299 INFO L158 Benchmark]: RCFGBuilder took 244.44ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 96.5MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:53:04,299 INFO L158 Benchmark]: CodeCheck took 234.93ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 86.7MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:53:04,300 INFO L158 Benchmark]: Witness Printer took 4.33ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 86.4MB in the end (delta: 266.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:53:04,302 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 - 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 0.37ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.04ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 107.9MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.38ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 106.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.10ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 106.3MB in the end (delta: 546.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 244.44ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 96.5MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 234.93ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 86.7MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.33ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 86.4MB in the end (delta: 266.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:53:04,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/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_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/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_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm --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-826ab2b [2024-11-13 20:53:06,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:53:06,963 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:53:07,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:53:07,030 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:53:07,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:53:07,031 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:53:07,031 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:53:07,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:53:07,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:53:07,032 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:53:07,032 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:53:07,032 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:53:07,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:53:07,033 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:53:07,033 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:53:07,034 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:53:07,034 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:53:07,034 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:53:07,034 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:53:07,034 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:53:07,034 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:53:07,034 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:53:07,035 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:53:07,035 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:53:07,035 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:53:07,035 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:07,035 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:53:07,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:53:07,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:53:07,036 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:53:07,036 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:53:07,036 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:53:07,036 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:53:07,036 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:07,037 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:53:07,037 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_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 20:53:07,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:53:07,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:53:07,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:53:07,334 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:53:07,335 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:53:07,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c Unable to find full path for "g++" [2024-11-13 20:53:09,248 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:53:09,495 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:53:09,500 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2024-11-13 20:53:09,509 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/data/02f0d75fb/21122e8966c34a48a845c7ee350a0306/FLAG1a915ff4f [2024-11-13 20:53:09,549 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/data/02f0d75fb/21122e8966c34a48a845c7ee350a0306 [2024-11-13 20:53:09,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:53:09,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:53:09,567 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:53:09,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:53:09,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:53:09,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:53:09" (1/1) ... [2024-11-13 20:53:09,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c71ef90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:09, skipping insertion in model container [2024-11-13 20:53:09,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:53:09" (1/1) ... [2024-11-13 20:53:09,611 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:53:09,780 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_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c[352,365] [2024-11-13 20:53:09,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:53:09,803 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:53:09,815 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_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c[352,365] [2024-11-13 20:53:09,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:53:09,836 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:53:09,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:09 WrapperNode [2024-11-13 20:53:09,838 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:53:09,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:53:09,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:53:09,841 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:53:09,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:09" (1/1) ... [2024-11-13 20:53:09,857 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:09" (1/1) ... [2024-11-13 20:53:09,872 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-11-13 20:53:09,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:53:09,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:53:09,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:53:09,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:53:09,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:09" (1/1) ... [2024-11-13 20:53:09,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:09" (1/1) ... [2024-11-13 20:53:09,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:09" (1/1) ... [2024-11-13 20:53:09,884 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:09" (1/1) ... [2024-11-13 20:53:09,891 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:09" (1/1) ... [2024-11-13 20:53:09,894 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:09" (1/1) ... [2024-11-13 20:53:09,898 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:09" (1/1) ... [2024-11-13 20:53:09,899 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:09" (1/1) ... [2024-11-13 20:53:09,901 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:53:09,903 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:53:09,904 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:53:09,904 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:53:09,905 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:09" (1/1) ... [2024-11-13 20:53:09,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:53:09,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:53:09,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:53:09,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:53:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:53:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:53:09,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:53:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:53:10,049 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:53:10,051 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:53:10,236 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 20:53:10,236 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:53:10,267 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:53:10,268 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:53:10,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:53:10 BoogieIcfgContainer [2024-11-13 20:53:10,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:53:10,269 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:53:10,269 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:53:10,280 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:53:10,280 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:53:10" (1/1) ... [2024-11-13 20:53:10,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:53:10,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:10,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 20:53:10,352 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 20:53:10,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 20:53:10,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:10,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:10,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:10,357 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:10,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:53:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:10,475 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:10,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 20:53:10,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:10,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:53:10,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:53:10,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:10,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-13 20:53:10,683 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-13 20:53:10,683 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 20:53:10,684 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-13 20:53:10,692 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 20:53:10,715 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 20:53:10,715 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2024-11-13 20:53:10,716 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)))))) [2024-11-13 20:53:10,716 INFO L75 FloydHoareUtils]: For program point L12-1(line 12) no Hoare annotation was computed. [2024-11-13 20:53:10,716 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 20:53:10,716 INFO L77 FloydHoareUtils]: At program point L4(lines 4 13) the Hoare annotation is: true [2024-11-13 20:53:10,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:53:10 ImpRootNode [2024-11-13 20:53:10,720 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:53:10,721 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:53:10,721 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:53:10,722 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:53:10,722 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:53:10" (3/4) ... [2024-11-13 20:53:10,725 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 20:53:10,732 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-13 20:53:10,732 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 20:53:10,732 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 20:53:10,733 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:53:10,814 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:53:10,814 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 20:53:10,814 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:53:10,818 INFO L158 Benchmark]: Toolchain (without parser) took 1249.90ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 78.5MB in the end (delta: 39.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 20:53:10,818 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:53:10,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.90ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 107.3MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:53:10,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.68ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:53:10,819 INFO L158 Benchmark]: Boogie Preprocessor took 29.25ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.3MB in the end (delta: 782.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:53:10,819 INFO L158 Benchmark]: RCFGBuilder took 364.99ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 95.1MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:53:10,820 INFO L158 Benchmark]: CodeCheck took 451.50ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 82.6MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:53:10,820 INFO L158 Benchmark]: Witness Printer took 92.99ms. Allocated memory is still 142.6MB. Free memory was 82.6MB in the beginning and 78.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:53:10,822 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 - 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 0.36ms. Allocated memory is still 117.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.90ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 107.3MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.68ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.25ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.3MB in the end (delta: 782.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 364.99ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 95.1MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 451.50ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 82.6MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 92.99ms. Allocated memory is still 142.6MB. Free memory was 82.6MB in the beginning and 78.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 20:53:10,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e13a2a26-36a0-431f-afaf-b0be52cfbeb3/bin/ukojak-verify-EEHR8qb7sm/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