./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b --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 098bb68c9788336ffa4c6e074693ab2367c9ebfab2531a443a5312e0095ec011 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:24:54,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:24:54,095 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:24:54,099 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:24:54,099 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:24:54,117 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:24:54,118 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:24:54,118 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:24:54,118 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:24:54,118 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:24:54,118 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:24:54,119 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:24:54,119 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:24:54,119 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:24:54,119 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:24:54,119 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:24:54,119 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:24:54,119 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:24:54,119 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:24:54,119 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:24:54,119 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:24:54,119 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:24:54,119 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:24:54,120 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:24:54,120 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:24:54,120 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:24:54,120 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:24:54,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:24:54,120 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:24:54,120 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:24:54,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:24:54,120 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:24:54,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:24:54,121 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_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b 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 -> 098bb68c9788336ffa4c6e074693ab2367c9ebfab2531a443a5312e0095ec011 [2024-12-05 21:24:54,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:24:54,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:24:54,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:24:54,319 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:24:54,319 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:24:54,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c [2024-12-05 21:24:56,900 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/data/59147e299/a59222b81e63467493f995ceaacc468a/FLAGda5cac5a2 [2024-12-05 21:24:57,134 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:24:57,135 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c [2024-12-05 21:24:57,142 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/data/59147e299/a59222b81e63467493f995ceaacc468a/FLAGda5cac5a2 [2024-12-05 21:24:57,499 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/data/59147e299/a59222b81e63467493f995ceaacc468a [2024-12-05 21:24:57,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:24:57,502 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:24:57,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:24:57,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:24:57,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:24:57,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:24:57" (1/1) ... [2024-12-05 21:24:57,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@322229dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:24:57, skipping insertion in model container [2024-12-05 21:24:57,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:24:57" (1/1) ... [2024-12-05 21:24:57,516 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:24:57,622 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_180d9072-4beb-4379-87b4-71b4344e401f/sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c[358,371] [2024-12-05 21:24:57,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:24:57,634 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:24:57,645 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_180d9072-4beb-4379-87b4-71b4344e401f/sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c[358,371] [2024-12-05 21:24:57,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:24:57,658 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:24:57,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:24:57 WrapperNode [2024-12-05 21:24:57,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:24:57,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:24:57,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:24:57,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:24:57,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:24:57" (1/1) ... [2024-12-05 21:24:57,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:24:57" (1/1) ... [2024-12-05 21:24:57,678 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 14 [2024-12-05 21:24:57,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:24:57,679 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:24:57,679 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:24:57,679 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:24:57,684 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:24:57" (1/1) ... [2024-12-05 21:24:57,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:24:57" (1/1) ... [2024-12-05 21:24:57,684 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:24:57" (1/1) ... [2024-12-05 21:24:57,684 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:24:57" (1/1) ... [2024-12-05 21:24:57,687 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:24:57" (1/1) ... [2024-12-05 21:24:57,688 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:24:57" (1/1) ... [2024-12-05 21:24:57,689 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:24:57" (1/1) ... [2024-12-05 21:24:57,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:24:57" (1/1) ... [2024-12-05 21:24:57,690 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:24:57" (1/1) ... [2024-12-05 21:24:57,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:24:57,692 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:24:57,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:24:57,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:24:57,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:24:57" (1/1) ... [2024-12-05 21:24:57,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:24:57,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:24:57,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:24:57,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:24:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:24:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:24:57,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:24:57,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:24:57,799 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:24:57,801 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:24:57,862 INFO L? ?]: Removed 2 outVars from TransFormulas that were not future-live. [2024-12-05 21:24:57,862 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:24:57,879 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:24:57,879 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 21:24:57,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:24:57 BoogieIcfgContainer [2024-12-05 21:24:57,880 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:24:57,880 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:24:57,880 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:24:57,890 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:24:57,890 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:24:57" (1/1) ... [2024-12-05 21:24:57,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:24:57,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:24:57,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-05 21:24:57,944 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-05 21:24:57,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 21:24:57,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:24:57,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:24:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:24:58,017 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:24:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:24:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:24:58,053 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:24:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:24:58,064 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 21:24:58,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:24:58 ImpRootNode [2024-12-05 21:24:58,081 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:24:58,082 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:24:58,082 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:24:58,082 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:24:58,083 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:24:57" (3/4) ... [2024-12-05 21:24:58,085 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 21:24:58,085 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:24:58,086 INFO L158 Benchmark]: Toolchain (without parser) took 584.42ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 62.8MB in the end (delta: 30.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 21:24:58,087 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:24:58,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 156.17ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 82.9MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:24:58,087 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.49ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 81.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:24:58,088 INFO L158 Benchmark]: Boogie Preprocessor took 11.94ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 81.2MB in the end (delta: 602.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:24:58,089 INFO L158 Benchmark]: RCFGBuilder took 187.82ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 72.6MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:24:58,089 INFO L158 Benchmark]: CodeCheck took 201.03ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 63.0MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:24:58,089 INFO L158 Benchmark]: Witness Printer took 3.71ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 62.8MB in the end (delta: 197.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:24:58,092 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 10]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 10, overapproximation of someBinaryArithmeticFLOAToperation at line 8. Possible FailurePath: [L8] float fs1=2.0f/6.0f; [L9] float fs2=fs1*6.0f; [L10] COND TRUE !((int)fs2==2) [L10] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 156.17ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 82.9MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.49ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 81.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.94ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 81.2MB in the end (delta: 602.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 187.82ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 72.6MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 201.03ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 63.0MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.71ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 62.8MB in the end (delta: 197.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 21:24:58,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/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_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b --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 098bb68c9788336ffa4c6e074693ab2367c9ebfab2531a443a5312e0095ec011 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:25:00,144 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:25:00,223 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 21:25:00,248 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:25:00,248 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:25:00,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:25:00,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:25:00,249 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:25:00,249 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:25:00,249 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:25:00,249 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:25:00,250 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:25:00,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:25:00,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:25:00,250 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:25:00,250 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:25:00,250 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 21:25:00,250 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 21:25:00,250 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 21:25:00,250 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:25:00,250 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:25:00,251 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:25:00,251 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:25:00,251 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:25:00,251 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:25:00,251 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:25:00,251 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:25:00,251 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 21:25:00,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:25:00,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:25:00,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:25:00,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:25:00,252 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:25:00,252 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 21:25:00,252 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:25:00,252 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 21:25:00,252 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_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b 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 -> 098bb68c9788336ffa4c6e074693ab2367c9ebfab2531a443a5312e0095ec011 [2024-12-05 21:25:00,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:25:00,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:25:00,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:25:00,490 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:25:00,491 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:25:00,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c [2024-12-05 21:25:03,201 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/data/73eb38f9b/49f44510755847baa3379aec39f1221f/FLAGbde4a484c [2024-12-05 21:25:03,350 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:25:03,350 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c [2024-12-05 21:25:03,361 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/data/73eb38f9b/49f44510755847baa3379aec39f1221f/FLAGbde4a484c [2024-12-05 21:25:03,375 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/data/73eb38f9b/49f44510755847baa3379aec39f1221f [2024-12-05 21:25:03,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:25:03,379 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:25:03,380 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:25:03,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:25:03,384 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:25:03,385 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:25:03" (1/1) ... [2024-12-05 21:25:03,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2498e074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:25:03, skipping insertion in model container [2024-12-05 21:25:03,386 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:25:03" (1/1) ... [2024-12-05 21:25:03,395 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:25:03,502 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_180d9072-4beb-4379-87b4-71b4344e401f/sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c[358,371] [2024-12-05 21:25:03,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:25:03,517 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:25:03,526 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_180d9072-4beb-4379-87b4-71b4344e401f/sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c[358,371] [2024-12-05 21:25:03,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:25:03,538 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:25:03,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:25:03 WrapperNode [2024-12-05 21:25:03,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:25:03,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:25:03,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:25:03,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:25:03,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:25:03" (1/1) ... [2024-12-05 21:25:03,553 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:25:03" (1/1) ... [2024-12-05 21:25:03,565 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 15 [2024-12-05 21:25:03,566 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:25:03,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:25:03,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:25:03,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:25:03,571 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:25:03" (1/1) ... [2024-12-05 21:25:03,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:25:03" (1/1) ... [2024-12-05 21:25:03,573 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:25:03" (1/1) ... [2024-12-05 21:25:03,574 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:25:03" (1/1) ... [2024-12-05 21:25:03,579 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:25:03" (1/1) ... [2024-12-05 21:25:03,580 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:25:03" (1/1) ... [2024-12-05 21:25:03,582 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:25:03" (1/1) ... [2024-12-05 21:25:03,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:25:03" (1/1) ... [2024-12-05 21:25:03,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:25:03" (1/1) ... [2024-12-05 21:25:03,586 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:25:03,587 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:25:03,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:25:03,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:25:03,588 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:25:03" (1/1) ... [2024-12-05 21:25:03,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:25:03,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:25:03,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:25:03,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:25:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:25:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:25:03,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:25:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 21:25:03,704 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:25:03,706 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:25:03,817 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-05 21:25:03,817 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:25:03,839 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:25:03,839 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 21:25:03,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:25:03 BoogieIcfgContainer [2024-12-05 21:25:03,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:25:03,840 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:25:03,840 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:25:03,847 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:25:03,848 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:25:03" (1/1) ... [2024-12-05 21:25:03,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:25:03,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:25:03,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-05 21:25:03,893 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-05 21:25:03,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 21:25:03,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:25:03,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:25:03,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:25:03,897 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:25:03,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 21:25:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:25:04,023 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:25:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:25:04,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 21:25:04,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:25:04,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:25:04,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 21:25:04,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:25:04,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-12-05 21:25:04,212 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-12-05 21:25:04,212 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 21:25:04,212 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-12-05 21:25:04,220 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 21:25:04,230 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 21:25:04,230 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2024-12-05 21:25:04,230 INFO L77 FloydHoareUtils]: At program point L10(line 10) the Hoare annotation is: (= (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 6.0))) (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 2.0) .cse0) .cse0)) |ULTIMATE.start_main_~fs2~0#1|) [2024-12-05 21:25:04,230 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 21:25:04,230 INFO L75 FloydHoareUtils]: For program point L10-1(line 10) no Hoare annotation was computed. [2024-12-05 21:25:04,230 INFO L77 FloydHoareUtils]: At program point L5(lines 5 11) the Hoare annotation is: true [2024-12-05 21:25:04,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:25:04 ImpRootNode [2024-12-05 21:25:04,234 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:25:04,234 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:25:04,234 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:25:04,234 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:25:04,235 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:25:03" (3/4) ... [2024-12-05 21:25:04,237 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 21:25:04,242 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-12-05 21:25:04,243 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-05 21:25:04,243 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 21:25:04,243 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 21:25:04,309 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:25:04,309 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:25:04,309 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:25:04,310 INFO L158 Benchmark]: Toolchain (without parser) took 931.18ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 61.7MB in the end (delta: 8.5MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2024-12-05 21:25:04,310 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:25:04,311 INFO L158 Benchmark]: CACSL2BoogieTranslator took 158.89ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 59.1MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:25:04,311 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.15ms. Allocated memory is still 92.3MB. Free memory was 59.0MB in the beginning and 57.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:25:04,311 INFO L158 Benchmark]: Boogie Preprocessor took 19.85ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 57.1MB in the end (delta: 828.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:25:04,312 INFO L158 Benchmark]: RCFGBuilder took 252.61ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 47.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:25:04,312 INFO L158 Benchmark]: CodeCheck took 393.68ms. Allocated memory is still 92.3MB. Free memory was 47.7MB in the beginning and 65.9MB in the end (delta: -18.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:25:04,312 INFO L158 Benchmark]: Witness Printer took 75.06ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 61.7MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:25:04,314 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s 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, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 1 NumberOfNonLiveVariables, 16 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 10]: 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 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 158.89ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 59.1MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.15ms. Allocated memory is still 92.3MB. Free memory was 59.0MB in the beginning and 57.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.85ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 57.1MB in the end (delta: 828.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 252.61ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 47.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 393.68ms. Allocated memory is still 92.3MB. Free memory was 47.7MB in the beginning and 65.9MB in the end (delta: -18.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 75.06ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 61.7MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 21:25:04,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180d9072-4beb-4379-87b4-71b4344e401f/bin/ukojak-verify-CZk0znPC7b/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