./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/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_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bafd616607c3b26e5c116d6e80df383a1448d022ecfba32980ae94deeb4f2706 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:02:04,457 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:02:04,567 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:02:04,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:02:04,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:02:04,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:02:04,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:02:04,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:02:04,608 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:02:04,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:02:04,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:02:04,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:02:04,609 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:02:04,609 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:02:04,609 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:02:04,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:02:04,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:02:04,610 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:02:04,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:02:04,610 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:02:04,610 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:02:04,610 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:02:04,611 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:02:04,611 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:02:04,611 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:02:04,611 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:02:04,612 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:02:04,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:02:04,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:02:04,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:02:04,612 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:02:04,612 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:02:04,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:02:04,613 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bafd616607c3b26e5c116d6e80df383a1448d022ecfba32980ae94deeb4f2706 [2024-11-13 21:02:05,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:02:05,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:02:05,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:02:05,038 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:02:05,039 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:02:05,041 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c Unable to find full path for "g++" [2024-11-13 21:02:07,576 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:02:07,982 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:02:07,987 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c [2024-11-13 21:02:08,005 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/data/6b626c4f7/1e898da6e277409898128db1bf668048/FLAGfd69a056f [2024-11-13 21:02:08,058 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/data/6b626c4f7/1e898da6e277409898128db1bf668048 [2024-11-13 21:02:08,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:02:08,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:02:08,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:02:08,074 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:02:08,084 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:02:08,089 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:02:08" (1/1) ... [2024-11-13 21:02:08,090 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@125d69d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:08, skipping insertion in model container [2024-11-13 21:02:08,091 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:02:08" (1/1) ... [2024-11-13 21:02:08,117 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:02:08,336 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_6b4a1916-dffa-4a03-8188-03a0e7ddd493/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c[380,393] [2024-11-13 21:02:08,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:02:08,358 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:02:08,382 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_6b4a1916-dffa-4a03-8188-03a0e7ddd493/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c[380,393] [2024-11-13 21:02:08,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:02:08,409 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:02:08,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:08 WrapperNode [2024-11-13 21:02:08,412 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:02:08,413 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:02:08,414 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:02:08,414 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:02:08,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:08" (1/1) ... [2024-11-13 21:02:08,437 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:08" (1/1) ... [2024-11-13 21:02:08,462 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17 [2024-11-13 21:02:08,463 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:02:08,463 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:02:08,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:02:08,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:02:08,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:08" (1/1) ... [2024-11-13 21:02:08,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:08" (1/1) ... [2024-11-13 21:02:08,479 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:08" (1/1) ... [2024-11-13 21:02:08,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:08" (1/1) ... [2024-11-13 21:02:08,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:08" (1/1) ... [2024-11-13 21:02:08,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:08" (1/1) ... [2024-11-13 21:02:08,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:08" (1/1) ... [2024-11-13 21:02:08,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:08" (1/1) ... [2024-11-13 21:02:08,494 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:02:08,496 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:02:08,496 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:02:08,497 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:02:08,498 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:08" (1/1) ... [2024-11-13 21:02:08,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:02:08,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:02:08,551 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:02:08,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:02:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:02:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:02:08,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:02:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:02:08,661 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:02:08,665 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:02:08,761 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-13 21:02:08,761 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:02:08,788 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:02:08,788 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:02:08,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:02:08 BoogieIcfgContainer [2024-11-13 21:02:08,789 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:02:08,790 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:02:08,790 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:02:08,804 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:02:08,804 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:02:08" (1/1) ... [2024-11-13 21:02:08,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:02:08,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:08,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 21:02:08,881 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 21:02:08,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:02:08,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:08,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:02:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:02:08,987 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:02:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:02:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:02:09,047 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:02:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:02:09,060 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:02:09,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:02:09 ImpRootNode [2024-11-13 21:02:09,085 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:02:09,086 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:02:09,086 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:02:09,086 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:02:09,087 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:02:08" (3/4) ... [2024-11-13 21:02:09,090 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:02:09,092 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:02:09,093 INFO L158 Benchmark]: Toolchain (without parser) took 1025.42ms. Allocated memory is still 167.8MB. Free memory was 130.8MB in the beginning and 98.4MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:02:09,093 INFO L158 Benchmark]: CDTParser took 2.04ms. Allocated memory is still 167.8MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:02:09,094 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.56ms. Allocated memory is still 167.8MB. Free memory was 130.5MB in the beginning and 119.5MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:02:09,099 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.72ms. Allocated memory is still 167.8MB. Free memory was 119.5MB in the beginning and 118.5MB in the end (delta: 966.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:02:09,099 INFO L158 Benchmark]: Boogie Preprocessor took 31.08ms. Allocated memory is still 167.8MB. Free memory was 118.5MB in the beginning and 117.9MB in the end (delta: 618.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:02:09,100 INFO L158 Benchmark]: RCFGBuilder took 292.71ms. Allocated memory is still 167.8MB. Free memory was 117.9MB in the beginning and 108.3MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:02:09,100 INFO L158 Benchmark]: CodeCheck took 295.37ms. Allocated memory is still 167.8MB. Free memory was 108.3MB in the beginning and 98.7MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:02:09,101 INFO L158 Benchmark]: Witness Printer took 6.22ms. Allocated memory is still 167.8MB. Free memory was 98.7MB in the beginning and 98.4MB in the end (delta: 301.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:02:09,104 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 someUnaryDOUBLEoperation at line 8, overapproximation of someBinaryDOUBLEComparisonOperation at line 11, 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 2.04ms. Allocated memory is still 167.8MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.56ms. Allocated memory is still 167.8MB. Free memory was 130.5MB in the beginning and 119.5MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.72ms. Allocated memory is still 167.8MB. Free memory was 119.5MB in the beginning and 118.5MB in the end (delta: 966.2kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.08ms. Allocated memory is still 167.8MB. Free memory was 118.5MB in the beginning and 117.9MB in the end (delta: 618.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 292.71ms. Allocated memory is still 167.8MB. Free memory was 117.9MB in the beginning and 108.3MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 295.37ms. Allocated memory is still 167.8MB. Free memory was 108.3MB in the beginning and 98.7MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.22ms. Allocated memory is still 167.8MB. Free memory was 98.7MB in the beginning and 98.4MB in the end (delta: 301.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:02:09,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/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_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bafd616607c3b26e5c116d6e80df383a1448d022ecfba32980ae94deeb4f2706 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:02:12,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:02:12,918 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:02:12,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:02:12,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:02:12,992 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:02:12,993 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:02:12,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:02:12,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:02:12,995 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:02:12,995 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:02:12,995 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:02:12,995 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:02:12,995 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:02:12,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:02:12,996 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:02:12,996 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:02:12,996 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:02:12,996 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:02:12,996 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:02:12,996 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:02:12,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:02:12,997 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:02:12,997 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:02:12,997 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:02:12,997 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:02:12,997 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:02:12,997 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:02:12,997 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:02:12,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:02:12,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:02:12,999 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:02:13,000 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:02:13,000 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:02:13,001 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:02:13,001 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:02:13,001 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bafd616607c3b26e5c116d6e80df383a1448d022ecfba32980ae94deeb4f2706 [2024-11-13 21:02:13,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:02:13,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:02:13,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:02:13,337 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:02:13,337 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:02:13,339 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c Unable to find full path for "g++" [2024-11-13 21:02:15,240 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:02:15,555 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:02:15,556 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c [2024-11-13 21:02:15,563 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/data/1b2f5d3f0/8f9622f836224605bf41454102911fa5/FLAGb30518b35 [2024-11-13 21:02:15,580 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/data/1b2f5d3f0/8f9622f836224605bf41454102911fa5 [2024-11-13 21:02:15,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:02:15,584 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:02:15,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:02:15,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:02:15,591 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:02:15,592 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:02:15" (1/1) ... [2024-11-13 21:02:15,592 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18efb383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:15, skipping insertion in model container [2024-11-13 21:02:15,593 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:02:15" (1/1) ... [2024-11-13 21:02:15,606 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:02:15,815 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c[380,393] [2024-11-13 21:02:15,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:02:15,841 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:02:15,865 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_6b4a1916-dffa-4a03-8188-03a0e7ddd493/sv-benchmarks/c/floats-cbmc-regression/float-to-double2.c[380,393] [2024-11-13 21:02:15,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:02:15,889 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:02:15,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:15 WrapperNode [2024-11-13 21:02:15,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:02:15,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:02:15,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:02:15,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:02:15,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:15" (1/1) ... [2024-11-13 21:02:15,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:15" (1/1) ... [2024-11-13 21:02:15,928 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2024-11-13 21:02:15,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:02:15,929 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:02:15,930 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:02:15,930 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:02:15,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:15" (1/1) ... [2024-11-13 21:02:15,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:15" (1/1) ... [2024-11-13 21:02:15,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:15" (1/1) ... [2024-11-13 21:02:15,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:15" (1/1) ... [2024-11-13 21:02:15,951 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:15" (1/1) ... [2024-11-13 21:02:15,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:15" (1/1) ... [2024-11-13 21:02:15,959 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:15" (1/1) ... [2024-11-13 21:02:15,959 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:15" (1/1) ... [2024-11-13 21:02:15,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:02:15,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:02:15,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:02:15,965 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:02:15,968 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:15" (1/1) ... [2024-11-13 21:02:15,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:02:15,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:02:16,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:02:16,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:02:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:02:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:02:16,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:02:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:02:16,133 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:02:16,135 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:02:16,276 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 21:02:16,276 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:02:16,305 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:02:16,306 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:02:16,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:02:16 BoogieIcfgContainer [2024-11-13 21:02:16,306 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:02:16,307 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:02:16,307 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:02:16,319 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:02:16,320 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:02:16" (1/1) ... [2024-11-13 21:02:16,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:02:16,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:16,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 21:02:16,388 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 21:02:16,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:02:16,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:16,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:02:16,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:02:16,396 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:02:16,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:02:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:16,563 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:02:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:16,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:02:16,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:02:16,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:02:16,733 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:02:16,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:02:16,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:16,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-13 21:02:16,830 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-13 21:02:16,830 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:02:16,831 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-13 21:02:16,847 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 21:02:16,872 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:02:16,873 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2024-11-13 21:02:16,873 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))))))) [2024-11-13 21:02:16,873 INFO L75 FloydHoareUtils]: For program point L11-1(line 11) no Hoare annotation was computed. [2024-11-13 21:02:16,873 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:02:16,873 INFO L77 FloydHoareUtils]: At program point L11-3(line 11) the Hoare annotation is: true [2024-11-13 21:02:16,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:02:16 ImpRootNode [2024-11-13 21:02:16,885 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:02:16,886 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:02:16,886 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:02:16,886 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:02:16,887 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:02:16" (3/4) ... [2024-11-13 21:02:16,890 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:02:16,898 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-13 21:02:16,899 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 21:02:16,899 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 21:02:16,899 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:02:16,985 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:02:16,985 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:02:16,985 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:02:16,989 INFO L158 Benchmark]: Toolchain (without parser) took 1402.23ms. Allocated memory is still 117.4MB. Free memory was 95.1MB in the beginning and 54.8MB in the end (delta: 40.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 21:02:16,990 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:02:16,990 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.89ms. Allocated memory is still 117.4MB. Free memory was 94.9MB in the beginning and 83.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:02:16,990 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.71ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 82.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:02:16,991 INFO L158 Benchmark]: Boogie Preprocessor took 34.43ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.4MB in the end (delta: 901.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:02:16,991 INFO L158 Benchmark]: RCFGBuilder took 341.90ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 71.4MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:02:16,992 INFO L158 Benchmark]: CodeCheck took 577.73ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 58.9MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:02:16,993 INFO L158 Benchmark]: Witness Printer took 99.55ms. Allocated memory is still 117.4MB. Free memory was 58.8MB in the beginning and 54.8MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:02:16,998 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: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 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, 0.1s 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, 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 0.30ms. Allocated memory is still 83.9MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.89ms. Allocated memory is still 117.4MB. Free memory was 94.9MB in the beginning and 83.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.71ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 82.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.43ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.4MB in the end (delta: 901.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 341.90ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 71.4MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 577.73ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 58.9MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 99.55ms. Allocated memory is still 117.4MB. Free memory was 58.8MB in the beginning and 54.8MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 21:02:17,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b4a1916-dffa-4a03-8188-03a0e7ddd493/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE