./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/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_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/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_4efd7732-9e00-47f8-b688-96aec295f954/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 bafd616607c3b26e5c116d6e80df383a1448d022ecfba32980ae94deeb4f2706 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:00:59,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:00:59,078 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 01:00:59,083 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:00:59,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 01:00:59,107 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:00:59,108 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:00:59,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 01:00:59,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 01:00:59,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 01:00:59,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:00:59,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:00:59,111 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:00:59,111 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:00:59,112 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:00:59,112 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:00:59,113 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:00:59,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:00:59,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:00:59,114 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:00:59,114 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:00:59,115 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:00:59,115 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:00:59,115 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 01:00:59,116 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 01:00:59,116 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 01:00:59,116 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:00:59,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:00:59,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:00:59,117 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:00:59,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:00:59,118 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 01:00:59,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:00:59,119 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_4efd7732-9e00-47f8-b688-96aec295f954/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bafd616607c3b26e5c116d6e80df383a1448d022ecfba32980ae94deeb4f2706 [2024-11-09 01:00:59,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:00:59,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:00:59,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:00:59,423 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:00:59,424 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:00:59,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c Unable to find full path for "g++" [2024-11-09 01:01:01,550 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:01:01,743 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:01:01,744 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c [2024-11-09 01:01:01,755 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk/data/cae0cc461/3fbb6eb381e7420aa1ede659b864b77a/FLAG1f0cd78f0 [2024-11-09 01:01:01,773 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk/data/cae0cc461/3fbb6eb381e7420aa1ede659b864b77a [2024-11-09 01:01:01,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:01:01,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:01:01,779 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:01:01,779 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:01:01,786 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:01:01,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:01:01" (1/1) ... [2024-11-09 01:01:01,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68d3c321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:01, skipping insertion in model container [2024-11-09 01:01:01,791 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:01:01" (1/1) ... [2024-11-09 01:01:01,813 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:01:01,996 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_4efd7732-9e00-47f8-b688-96aec295f954/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c[380,393] [2024-11-09 01:01:02,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:01:02,017 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:01:02,032 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_4efd7732-9e00-47f8-b688-96aec295f954/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c[380,393] [2024-11-09 01:01:02,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:01:02,050 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:01:02,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:02 WrapperNode [2024-11-09 01:01:02,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:01:02,052 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:01:02,052 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:01:02,052 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:01:02,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:02" (1/1) ... [2024-11-09 01:01:02,066 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:02" (1/1) ... [2024-11-09 01:01:02,082 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17 [2024-11-09 01:01:02,082 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:01:02,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:01:02,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:01:02,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:01:02,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:02" (1/1) ... [2024-11-09 01:01:02,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:02" (1/1) ... [2024-11-09 01:01:02,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:02" (1/1) ... [2024-11-09 01:01:02,094 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:02" (1/1) ... [2024-11-09 01:01:02,096 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:02" (1/1) ... [2024-11-09 01:01:02,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:02" (1/1) ... [2024-11-09 01:01:02,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:02" (1/1) ... [2024-11-09 01:01:02,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:02" (1/1) ... [2024-11-09 01:01:02,100 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:01:02,101 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:01:02,101 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:01:02,101 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:01:02,102 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:02" (1/1) ... [2024-11-09 01:01:02,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:01:02,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 01:01:02,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 01:01:02,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 01:01:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:01:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:01:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:01:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:01:02,251 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:01:02,255 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:01:02,366 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-09 01:01:02,366 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:01:02,400 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:01:02,400 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:01:02,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:01:02 BoogieIcfgContainer [2024-11-09 01:01:02,401 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:01:02,402 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 01:01:02,402 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 01:01:02,413 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 01:01:02,413 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:01:02" (1/1) ... [2024-11-09 01:01:02,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:01:02,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:02,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-09 01:01:02,486 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-09 01:01:02,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 01:01:02,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:01:02,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:01:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:01:02,605 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:01:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:01:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:01:02,667 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:01:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:01:02,679 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 01:01:02,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 01:01:02 ImpRootNode [2024-11-09 01:01:02,708 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 01:01:02,709 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:01:02,709 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:01:02,709 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:01:02,710 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:01:02" (3/4) ... [2024-11-09 01:01:02,713 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:01:02,716 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:01:02,717 INFO L158 Benchmark]: Toolchain (without parser) took 939.23ms. Allocated memory is still 186.6MB. Free memory was 148.6MB in the beginning and 113.0MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-09 01:01:02,718 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:01:02,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.31ms. Allocated memory is still 186.6MB. Free memory was 148.0MB in the beginning and 136.1MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 01:01:02,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.56ms. Allocated memory is still 186.6MB. Free memory was 136.1MB in the beginning and 134.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:01:02,720 INFO L158 Benchmark]: Boogie Preprocessor took 17.32ms. Allocated memory is still 186.6MB. Free memory was 134.7MB in the beginning and 133.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:01:02,721 INFO L158 Benchmark]: RCFGBuilder took 300.16ms. Allocated memory is still 186.6MB. Free memory was 133.2MB in the beginning and 124.2MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 01:01:02,723 INFO L158 Benchmark]: CodeCheck took 306.39ms. Allocated memory is still 186.6MB. Free memory was 124.2MB in the beginning and 113.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 01:01:02,724 INFO L158 Benchmark]: Witness Printer took 7.25ms. Allocated memory is still 186.6MB. Free memory was 113.7MB in the beginning and 113.0MB in the end (delta: 753.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:01:02,732 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: 11]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 11, overapproximation of someUnaryDOUBLEoperation at line 8, overapproximation of someUnaryFLOAToperation at line 7. Possible FailurePath: [L7] float f = -0x1.0p-127f; [L8] double d = -0x1.0p-127; [L9] double fp = (double)f; [L11] COND TRUE !(d == fp) [L11] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.31ms. Allocated memory is still 186.6MB. Free memory was 148.0MB in the beginning and 136.1MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.56ms. Allocated memory is still 186.6MB. Free memory was 136.1MB in the beginning and 134.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.32ms. Allocated memory is still 186.6MB. Free memory was 134.7MB in the beginning and 133.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 300.16ms. Allocated memory is still 186.6MB. Free memory was 133.2MB in the beginning and 124.2MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 306.39ms. Allocated memory is still 186.6MB. Free memory was 124.2MB in the beginning and 113.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 7.25ms. Allocated memory is still 186.6MB. Free memory was 113.7MB in the beginning and 113.0MB in the end (delta: 753.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 01:01:02,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/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_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/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_4efd7732-9e00-47f8-b688-96aec295f954/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 bafd616607c3b26e5c116d6e80df383a1448d022ecfba32980ae94deeb4f2706 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:01:05,228 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:01:05,341 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 01:01:05,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:01:05,390 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:01:05,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 01:01:05,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 01:01:05,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 01:01:05,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:01:05,394 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:01:05,394 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:01:05,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:01:05,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:01:05,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:01:05,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:01:05,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:01:05,396 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:01:05,396 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:01:05,397 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:01:05,400 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:01:05,400 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:01:05,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:01:05,401 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:01:05,401 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 01:01:05,401 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 01:01:05,402 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 01:01:05,402 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:01:05,402 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 01:01:05,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:01:05,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:01:05,406 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:01:05,407 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:01:05,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:01:05,407 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 01:01:05,408 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:01:05,409 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 01:01:05,409 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_4efd7732-9e00-47f8-b688-96aec295f954/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bafd616607c3b26e5c116d6e80df383a1448d022ecfba32980ae94deeb4f2706 [2024-11-09 01:01:05,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:01:05,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:01:05,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:01:05,794 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:01:05,795 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:01:05,797 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c Unable to find full path for "g++" [2024-11-09 01:01:07,918 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:01:08,100 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:01:08,101 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c [2024-11-09 01:01:08,106 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk/data/67d35d827/de7dff9354ad4549a24102044c1b88bb/FLAGe0d66bcb0 [2024-11-09 01:01:08,494 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk/data/67d35d827/de7dff9354ad4549a24102044c1b88bb [2024-11-09 01:01:08,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:01:08,498 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:01:08,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:01:08,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:01:08,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:01:08,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:01:08" (1/1) ... [2024-11-09 01:01:08,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c8a58e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:08, skipping insertion in model container [2024-11-09 01:01:08,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:01:08" (1/1) ... [2024-11-09 01:01:08,526 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:01:08,812 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_4efd7732-9e00-47f8-b688-96aec295f954/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c[380,393] [2024-11-09 01:01:08,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:01:08,842 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:01:08,861 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_4efd7732-9e00-47f8-b688-96aec295f954/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c[380,393] [2024-11-09 01:01:08,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:01:08,890 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:01:08,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:08 WrapperNode [2024-11-09 01:01:08,891 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:01:08,892 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:01:08,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:01:08,893 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:01:08,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:08" (1/1) ... [2024-11-09 01:01:08,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:08" (1/1) ... [2024-11-09 01:01:08,928 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2024-11-09 01:01:08,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:01:08,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:01:08,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:01:08,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:01:08,941 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:08" (1/1) ... [2024-11-09 01:01:08,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:08" (1/1) ... [2024-11-09 01:01:08,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:08" (1/1) ... [2024-11-09 01:01:08,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:08" (1/1) ... [2024-11-09 01:01:08,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:08" (1/1) ... [2024-11-09 01:01:08,959 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:08" (1/1) ... [2024-11-09 01:01:08,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:08" (1/1) ... [2024-11-09 01:01:08,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:08" (1/1) ... [2024-11-09 01:01:08,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:01:08,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:01:08,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:01:08,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:01:08,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:01:08" (1/1) ... [2024-11-09 01:01:08,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:01:08,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 01:01:09,007 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 01:01:09,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 01:01:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:01:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:01:09,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:01:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 01:01:09,124 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:01:09,126 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:01:09,318 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-09 01:01:09,318 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:01:09,366 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:01:09,366 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:01:09,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:01:09 BoogieIcfgContainer [2024-11-09 01:01:09,367 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:01:09,368 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 01:01:09,368 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 01:01:09,379 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 01:01:09,379 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:01:09" (1/1) ... [2024-11-09 01:01:09,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:01:09,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:09,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-09 01:01:09,456 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-09 01:01:09,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 01:01:09,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:01:09,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:01:09,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:01:09,461 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:01:09,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 01:01:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:09,562 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:01:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:09,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:01:09,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:01:09,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:01:09,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 01:01:09,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:09,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-09 01:01:09,774 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-09 01:01:09,774 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 01:01:09,774 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-09 01:01:09,783 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 01:01:09,801 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 01:01:09,801 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2024-11-09 01:01:09,802 INFO L77 FloydHoareUtils]: At program point L11(line 11) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (and (= (fp.neg ((_ to_fp 11 53) currentRoundingMode (/ 1.0 170141183460469231731687303715884105728.0))) |ULTIMATE.start_main_~d~0#1|) (= |ULTIMATE.start_main_~fp~0#1| ((_ to_fp 11 53) currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode (/ 1.0 170141183460469231731687303715884105728.0))))))) [2024-11-09 01:01:09,802 INFO L75 FloydHoareUtils]: For program point L11-1(line 11) no Hoare annotation was computed. [2024-11-09 01:01:09,802 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 01:01:09,802 INFO L77 FloydHoareUtils]: At program point L11-3(line 11) the Hoare annotation is: true [2024-11-09 01:01:09,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 01:01:09 ImpRootNode [2024-11-09 01:01:09,811 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 01:01:09,812 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:01:09,812 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:01:09,812 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:01:09,813 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:01:09" (3/4) ... [2024-11-09 01:01:09,816 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 01:01:09,823 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-09 01:01:09,823 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 01:01:09,824 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 01:01:09,824 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 01:01:09,906 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 01:01:09,907 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 01:01:09,907 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:01:09,908 INFO L158 Benchmark]: Toolchain (without parser) took 1409.75ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 35.2MB in the beginning and 45.9MB in the end (delta: -10.6MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-11-09 01:01:09,909 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 65.0MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:01:09,909 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.09ms. Allocated memory is still 65.0MB. Free memory was 35.1MB in the beginning and 37.7MB in the end (delta: -2.6MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2024-11-09 01:01:09,910 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.23ms. Allocated memory is still 65.0MB. Free memory was 37.7MB in the beginning and 36.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:01:09,911 INFO L158 Benchmark]: Boogie Preprocessor took 36.27ms. Allocated memory is still 65.0MB. Free memory was 36.1MB in the beginning and 35.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:01:09,911 INFO L158 Benchmark]: RCFGBuilder took 399.35ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 34.9MB in the beginning and 63.4MB in the end (delta: -28.5MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-11-09 01:01:09,912 INFO L158 Benchmark]: CodeCheck took 443.78ms. Allocated memory is still 88.1MB. Free memory was 63.4MB in the beginning and 50.1MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 01:01:09,913 INFO L158 Benchmark]: Witness Printer took 95.13ms. Allocated memory is still 88.1MB. Free memory was 50.1MB in the beginning and 45.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 01:01:09,916 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, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 4 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, 0.0s 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, 17 SizeOfPredicates, 1 NumberOfNonLiveVariables, 17 ConjunctsInSsa, 3 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: 11]: 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 0.68ms. Allocated memory is still 65.0MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.09ms. Allocated memory is still 65.0MB. Free memory was 35.1MB in the beginning and 37.7MB in the end (delta: -2.6MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.23ms. Allocated memory is still 65.0MB. Free memory was 37.7MB in the beginning and 36.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.27ms. Allocated memory is still 65.0MB. Free memory was 36.1MB in the beginning and 35.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 399.35ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 34.9MB in the beginning and 63.4MB in the end (delta: -28.5MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * CodeCheck took 443.78ms. Allocated memory is still 88.1MB. Free memory was 63.4MB in the beginning and 50.1MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 95.13ms. Allocated memory is still 88.1MB. Free memory was 50.1MB in the beginning and 45.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-09 01:01:09,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4efd7732-9e00-47f8-b688-96aec295f954/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