./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/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_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-08 23:45:22,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:45:22,748 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:45:22,756 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:45:22,758 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:45:22,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:45:22,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:45:22,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:45:22,786 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:45:22,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:45:22,787 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:45:22,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:45:22,788 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:45:22,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:45:22,789 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:45:22,790 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:45:22,790 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:45:22,791 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:45:22,791 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:45:22,792 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:45:22,792 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:45:22,793 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:45:22,793 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:45:22,794 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:45:22,794 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:45:22,794 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:45:22,795 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:45:22,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:45:22,796 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:45:22,796 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:45:22,797 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:45:22,797 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:45:22,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:45:22,798 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6be8c61124ae7b0d434e1a6e7e7df1be3e3bca0c1d0e7a5376e369656416ef61 [2024-11-08 23:45:23,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:45:23,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:45:23,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:45:23,143 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:45:23,144 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:45:23,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c Unable to find full path for "g++" [2024-11-08 23:45:25,150 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:45:25,348 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:45:25,349 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2024-11-08 23:45:25,360 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/data/a1a959bb9/56aa9e4319e34a6d88a9f2e49020039d/FLAG9657775fa [2024-11-08 23:45:25,386 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/data/a1a959bb9/56aa9e4319e34a6d88a9f2e49020039d [2024-11-08 23:45:25,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:45:25,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:45:25,395 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:45:25,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:45:25,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:45:25,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:45:25" (1/1) ... [2024-11-08 23:45:25,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ad97ab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:25, skipping insertion in model container [2024-11-08 23:45:25,409 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:45:25" (1/1) ... [2024-11-08 23:45:25,436 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:45:25,647 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_9a0820f2-ed26-45cc-873f-9036d0ea743d/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c[352,365] [2024-11-08 23:45:25,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:45:25,664 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:45:25,674 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_9a0820f2-ed26-45cc-873f-9036d0ea743d/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c[352,365] [2024-11-08 23:45:25,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:45:25,693 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:45:25,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:25 WrapperNode [2024-11-08 23:45:25,694 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:45:25,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:45:25,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:45:25,695 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:45:25,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:25" (1/1) ... [2024-11-08 23:45:25,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:25" (1/1) ... [2024-11-08 23:45:25,721 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2024-11-08 23:45:25,721 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:45:25,721 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:45:25,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:45:25,722 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:45:25,730 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:25" (1/1) ... [2024-11-08 23:45:25,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:25" (1/1) ... [2024-11-08 23:45:25,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:25" (1/1) ... [2024-11-08 23:45:25,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:25" (1/1) ... [2024-11-08 23:45:25,735 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:25" (1/1) ... [2024-11-08 23:45:25,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:25" (1/1) ... [2024-11-08 23:45:25,737 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:25" (1/1) ... [2024-11-08 23:45:25,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:25" (1/1) ... [2024-11-08 23:45:25,739 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:45:25,740 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:45:25,740 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:45:25,740 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:45:25,741 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:25" (1/1) ... [2024-11-08 23:45:25,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:45:25,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:45:25,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:45:25,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:45:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:45:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:45:25,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:45:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:45:25,857 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:45:25,859 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:45:25,935 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-08 23:45:25,938 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:45:25,964 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:45:25,964 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:45:25,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:45:25 BoogieIcfgContainer [2024-11-08 23:45:25,965 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:45:25,966 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:45:25,966 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:45:25,978 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:45:25,978 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:45:25" (1/1) ... [2024-11-08 23:45:25,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:45:26,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:26,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-08 23:45:26,049 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-08 23:45:26,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:45:26,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:26,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:45:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:45:26,163 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:45:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:45:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:45:26,215 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:45:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:45:26,227 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:45:26,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:45:26 ImpRootNode [2024-11-08 23:45:26,247 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:45:26,248 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:45:26,248 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:45:26,248 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:45:26,249 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:45:25" (3/4) ... [2024-11-08 23:45:26,252 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:45:26,253 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:45:26,254 INFO L158 Benchmark]: Toolchain (without parser) took 861.50ms. Allocated memory is still 138.4MB. Free memory was 98.1MB in the beginning and 63.6MB in the end (delta: 34.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-08 23:45:26,255 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 138.4MB. Free memory was 88.0MB in the beginning and 87.8MB in the end (delta: 178.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:45:26,256 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.35ms. Allocated memory is still 138.4MB. Free memory was 98.1MB in the beginning and 86.2MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:45:26,257 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.95ms. Allocated memory is still 138.4MB. Free memory was 86.2MB in the beginning and 84.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:45:26,257 INFO L158 Benchmark]: Boogie Preprocessor took 17.44ms. Allocated memory is still 138.4MB. Free memory was 84.6MB in the beginning and 83.9MB in the end (delta: 662.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:45:26,258 INFO L158 Benchmark]: RCFGBuilder took 225.25ms. Allocated memory is still 138.4MB. Free memory was 83.9MB in the beginning and 74.6MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:45:26,259 INFO L158 Benchmark]: CodeCheck took 281.26ms. Allocated memory is still 138.4MB. Free memory was 74.6MB in the beginning and 63.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:45:26,259 INFO L158 Benchmark]: Witness Printer took 5.78ms. Allocated memory is still 138.4MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:45:26,263 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 0.34ms. Allocated memory is still 138.4MB. Free memory was 88.0MB in the beginning and 87.8MB in the end (delta: 178.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.35ms. Allocated memory is still 138.4MB. Free memory was 98.1MB in the beginning and 86.2MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.95ms. Allocated memory is still 138.4MB. Free memory was 86.2MB in the beginning and 84.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.44ms. Allocated memory is still 138.4MB. Free memory was 84.6MB in the beginning and 83.9MB in the end (delta: 662.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 225.25ms. Allocated memory is still 138.4MB. Free memory was 83.9MB in the beginning and 74.6MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 281.26ms. Allocated memory is still 138.4MB. Free memory was 74.6MB in the beginning and 63.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 5.78ms. Allocated memory is still 138.4MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:45:26,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/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_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-08 23:45:28,638 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:45:28,728 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:45:28,768 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:45:28,771 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:45:28,772 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:45:28,773 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:45:28,774 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:45:28,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:45:28,776 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:45:28,777 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:45:28,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:45:28,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:45:28,779 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:45:28,779 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:45:28,779 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:45:28,779 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:45:28,780 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:45:28,784 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:45:28,784 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:45:28,785 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:45:28,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:45:28,785 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:45:28,785 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:45:28,786 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:45:28,786 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:45:28,786 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:28,786 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:45:28,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:45:28,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:45:28,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:45:28,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:45:28,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:45:28,789 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:45:28,790 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:28,791 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:45:28,791 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6be8c61124ae7b0d434e1a6e7e7df1be3e3bca0c1d0e7a5376e369656416ef61 [2024-11-08 23:45:29,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:45:29,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:45:29,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:45:29,192 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:45:29,193 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:45:29,194 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c Unable to find full path for "g++" [2024-11-08 23:45:31,307 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:45:31,479 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:45:31,480 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2024-11-08 23:45:31,489 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/data/f047efe51/ecc7261bf1fc4f8e8d1b9637d520881a/FLAGddaa37072 [2024-11-08 23:45:31,504 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/data/f047efe51/ecc7261bf1fc4f8e8d1b9637d520881a [2024-11-08 23:45:31,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:45:31,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:45:31,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:45:31,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:45:31,515 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:45:31,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:31,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49631258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31, skipping insertion in model container [2024-11-08 23:45:31,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:31,534 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:45:31,776 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_9a0820f2-ed26-45cc-873f-9036d0ea743d/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c[352,365] [2024-11-08 23:45:31,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:45:31,803 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:45:31,819 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_9a0820f2-ed26-45cc-873f-9036d0ea743d/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c[352,365] [2024-11-08 23:45:31,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:45:31,872 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:45:31,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31 WrapperNode [2024-11-08 23:45:31,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:45:31,874 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:45:31,874 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:45:31,874 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:45:31,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:31,892 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:31,909 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2024-11-08 23:45:31,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:45:31,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:45:31,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:45:31,912 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:45:31,922 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:31,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:31,926 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:31,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:31,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:31,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:31,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:31,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:31,949 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:45:31,950 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:45:31,950 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:45:31,950 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:45:31,951 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:31,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:45:31,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:45:31,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:45:31,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:45:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:45:32,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:45:32,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:45:32,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:45:32,104 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:45:32,107 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:45:32,290 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 23:45:32,290 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:45:32,350 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:45:32,352 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:45:32,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:45:32 BoogieIcfgContainer [2024-11-08 23:45:32,353 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:45:32,354 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:45:32,354 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:45:32,365 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:45:32,365 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:45:32" (1/1) ... [2024-11-08 23:45:32,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:45:32,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:32,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-08 23:45:32,437 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-08 23:45:32,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:45:32,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:32,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:32,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:32,443 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:32,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:45:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:32,517 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:32,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:45:32,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:32,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:45:32,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:32,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:32,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-08 23:45:32,810 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-08 23:45:32,810 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:45:32,810 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-08 23:45:32,826 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 23:45:32,875 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:45:32,876 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2024-11-08 23:45:32,876 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)))))) [2024-11-08 23:45:32,876 INFO L75 FloydHoareUtils]: For program point L12-1(line 12) no Hoare annotation was computed. [2024-11-08 23:45:32,877 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:45:32,883 INFO L77 FloydHoareUtils]: At program point L4(lines 4 13) the Hoare annotation is: true [2024-11-08 23:45:32,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:45:32 ImpRootNode [2024-11-08 23:45:32,890 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:45:32,891 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:45:32,891 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:45:32,891 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:45:32,892 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:45:32" (3/4) ... [2024-11-08 23:45:32,894 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:45:32,905 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-08 23:45:32,909 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 23:45:32,909 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 23:45:32,909 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:45:32,990 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:45:32,991 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:45:32,991 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:45:32,991 INFO L158 Benchmark]: Toolchain (without parser) took 1483.58ms. Allocated memory is still 90.2MB. Free memory was 50.6MB in the beginning and 38.4MB in the end (delta: 12.2MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-11-08 23:45:32,992 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 90.2MB. Free memory was 66.5MB in the beginning and 66.4MB in the end (delta: 123.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:45:32,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.75ms. Allocated memory is still 90.2MB. Free memory was 50.6MB in the beginning and 68.9MB in the end (delta: -18.3MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-11-08 23:45:32,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.51ms. Allocated memory is still 90.2MB. Free memory was 68.9MB in the beginning and 67.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:45:32,993 INFO L158 Benchmark]: Boogie Preprocessor took 38.46ms. Allocated memory is still 90.2MB. Free memory was 67.4MB in the beginning and 66.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:45:32,994 INFO L158 Benchmark]: RCFGBuilder took 403.12ms. Allocated memory is still 90.2MB. Free memory was 66.3MB in the beginning and 55.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:45:32,994 INFO L158 Benchmark]: CodeCheck took 535.97ms. Allocated memory is still 90.2MB. Free memory was 55.8MB in the beginning and 42.3MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:45:32,995 INFO L158 Benchmark]: Witness Printer took 100.23ms. Allocated memory is still 90.2MB. Free memory was 42.3MB in the beginning and 38.4MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:45:32,998 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, 0.1s 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 0.58ms. Allocated memory is still 90.2MB. Free memory was 66.5MB in the beginning and 66.4MB in the end (delta: 123.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.75ms. Allocated memory is still 90.2MB. Free memory was 50.6MB in the beginning and 68.9MB in the end (delta: -18.3MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.51ms. Allocated memory is still 90.2MB. Free memory was 68.9MB in the beginning and 67.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.46ms. Allocated memory is still 90.2MB. Free memory was 67.4MB in the beginning and 66.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 403.12ms. Allocated memory is still 90.2MB. Free memory was 66.3MB in the beginning and 55.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 535.97ms. Allocated memory is still 90.2MB. Free memory was 55.8MB in the beginning and 42.3MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 100.23ms. Allocated memory is still 90.2MB. Free memory was 42.3MB in the beginning and 38.4MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 23:45:33,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0820f2-ed26-45cc-873f-9036d0ea743d/bin/ukojak-verify-ImItNfHLgk/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