./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/inv_square_int.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_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_square_int.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3 --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 9d6111f1172e07b7206075be423d21f33b529e79943d78b2db976fd996371e2d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:51:15,054 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:51:15,146 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:51:15,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:51:15,155 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:51:15,179 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:51:15,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:51:15,180 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:51:15,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:51:15,183 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:51:15,183 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:51:15,183 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:51:15,184 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:51:15,184 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:51:15,184 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:51:15,184 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:51:15,184 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:51:15,185 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:51:15,185 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:51:15,185 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:51:15,185 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:51:15,186 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:51:15,186 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:51:15,186 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:51:15,186 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:51:15,186 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:51:15,187 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:51:15,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:51:15,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:51:15,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:51:15,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:51:15,188 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:51:15,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:51:15,188 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_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3 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 -> 9d6111f1172e07b7206075be423d21f33b529e79943d78b2db976fd996371e2d [2024-11-25 04:51:15,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:51:15,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:51:15,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:51:15,549 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:51:15,550 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:51:15,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-benchs/inv_square_int.c [2024-11-25 04:51:18,765 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/data/2921d7a03/7bd75976d5804d0b85863d89a80a2b3c/FLAG6da85805c [2024-11-25 04:51:19,064 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:51:19,065 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/sv-benchmarks/c/float-benchs/inv_square_int.c [2024-11-25 04:51:19,072 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/data/2921d7a03/7bd75976d5804d0b85863d89a80a2b3c/FLAG6da85805c [2024-11-25 04:51:19,087 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/data/2921d7a03/7bd75976d5804d0b85863d89a80a2b3c [2024-11-25 04:51:19,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:51:19,092 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:51:19,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:51:19,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:51:19,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:51:19,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:51:19" (1/1) ... [2024-11-25 04:51:19,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25e876b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:19, skipping insertion in model container [2024-11-25 04:51:19,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:51:19" (1/1) ... [2024-11-25 04:51:19,116 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:51:19,268 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_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/sv-benchmarks/c/float-benchs/inv_square_int.c[482,495] [2024-11-25 04:51:19,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:51:19,291 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:51:19,304 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_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/sv-benchmarks/c/float-benchs/inv_square_int.c[482,495] [2024-11-25 04:51:19,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:51:19,324 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:51:19,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:19 WrapperNode [2024-11-25 04:51:19,325 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:51:19,326 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:51:19,327 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:51:19,327 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:51:19,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:19" (1/1) ... [2024-11-25 04:51:19,344 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:19" (1/1) ... [2024-11-25 04:51:19,363 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2024-11-25 04:51:19,363 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:51:19,364 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:51:19,364 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:51:19,364 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:51:19,372 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:19" (1/1) ... [2024-11-25 04:51:19,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:19" (1/1) ... [2024-11-25 04:51:19,373 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:19" (1/1) ... [2024-11-25 04:51:19,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:19" (1/1) ... [2024-11-25 04:51:19,377 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:19" (1/1) ... [2024-11-25 04:51:19,378 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:19" (1/1) ... [2024-11-25 04:51:19,384 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:19" (1/1) ... [2024-11-25 04:51:19,384 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:19" (1/1) ... [2024-11-25 04:51:19,385 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:19" (1/1) ... [2024-11-25 04:51:19,390 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:51:19,391 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:51:19,391 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:51:19,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:51:19,396 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:19" (1/1) ... [2024-11-25 04:51:19,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:51:19,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:51:19,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:51:19,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:51:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:51:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:51:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:51:19,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:51:19,549 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:51:19,553 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:51:19,655 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-25 04:51:19,655 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:51:19,714 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:51:19,715 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:51:19,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:19 BoogieIcfgContainer [2024-11-25 04:51:19,715 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:51:19,716 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:51:19,716 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:51:19,725 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:51:19,726 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:19" (1/1) ... [2024-11-25 04:51:19,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:51:19,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:19,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-25 04:51:19,791 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-25 04:51:19,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 04:51:19,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:19,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:51:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:51:19,889 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:51:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:51:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:51:19,969 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:51:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:51:19,993 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:51:20,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:51:20 ImpRootNode [2024-11-25 04:51:20,021 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:51:20,022 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:51:20,024 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:51:20,025 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:51:20,026 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:19" (3/4) ... [2024-11-25 04:51:20,030 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:51:20,031 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:51:20,035 INFO L158 Benchmark]: Toolchain (without parser) took 940.84ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 59.1MB in the end (delta: 34.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 04:51:20,035 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:20,036 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.84ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 83.0MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:51:20,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.95ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 81.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:20,037 INFO L158 Benchmark]: Boogie Preprocessor took 26.53ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 81.2MB in the end (delta: 734.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:20,038 INFO L158 Benchmark]: RCFGBuilder took 323.97ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 69.7MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:51:20,040 INFO L158 Benchmark]: CodeCheck took 305.39ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 59.1MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:51:20,040 INFO L158 Benchmark]: Witness Printer took 9.51ms. Allocated memory is still 117.4MB. Free memory is still 59.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:20,044 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: 13]: 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 someBinaryFLOATComparisonOperation at line 24, overapproximation of someBinaryArithmeticFLOAToperation at line 23. Possible FailurePath: [L17] int x; [L18] float y, z; [L20] x = __VERIFIER_nondet_int() [L21] CALL assume_abort_if_not(x >= -10 && x <= 10) [L11] COND FALSE !(!cond) [L21] RET assume_abort_if_not(x >= -10 && x <= 10) [L23] y = x*x - 2.f [L24] CALL __VERIFIER_assert(y != 0.f) [L13] COND TRUE !(cond) [L13] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.84ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 83.0MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.95ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 81.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.53ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 81.2MB in the end (delta: 734.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 323.97ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 69.7MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 305.39ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 59.1MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 9.51ms. Allocated memory is still 117.4MB. Free memory is still 59.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:51:20,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_square_int.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3 --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 9d6111f1172e07b7206075be423d21f33b529e79943d78b2db976fd996371e2d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:51:22,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:51:22,980 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 04:51:23,024 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:51:23,026 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:51:23,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:51:23,028 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:51:23,028 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:51:23,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:51:23,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:51:23,029 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:51:23,029 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:51:23,029 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:51:23,029 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:51:23,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:51:23,029 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:51:23,029 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:51:23,029 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:51:23,030 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:51:23,030 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:51:23,030 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:51:23,030 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:51:23,030 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:51:23,030 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:51:23,030 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:51:23,030 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:51:23,030 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:23,030 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:51:23,032 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:51:23,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:51:23,033 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:51:23,033 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:51:23,033 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:51:23,033 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:51:23,034 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:23,034 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:51:23,034 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3 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 -> 9d6111f1172e07b7206075be423d21f33b529e79943d78b2db976fd996371e2d [2024-11-25 04:51:23,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:51:23,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:51:23,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:51:23,370 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:51:23,370 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:51:23,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-benchs/inv_square_int.c [2024-11-25 04:51:26,565 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/data/e3ccff58b/deec3f2d80194807bcc2968d2fecd3b9/FLAGc1b16fdcc [2024-11-25 04:51:26,836 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:51:26,838 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/sv-benchmarks/c/float-benchs/inv_square_int.c [2024-11-25 04:51:26,849 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/data/e3ccff58b/deec3f2d80194807bcc2968d2fecd3b9/FLAGc1b16fdcc [2024-11-25 04:51:26,879 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/data/e3ccff58b/deec3f2d80194807bcc2968d2fecd3b9 [2024-11-25 04:51:26,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:51:26,885 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:51:26,888 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:51:26,888 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:51:26,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:51:26,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:51:26" (1/1) ... [2024-11-25 04:51:26,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f1eb8dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:26, skipping insertion in model container [2024-11-25 04:51:26,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:51:26" (1/1) ... [2024-11-25 04:51:26,919 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:51:27,121 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_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/sv-benchmarks/c/float-benchs/inv_square_int.c[482,495] [2024-11-25 04:51:27,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:51:27,166 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:51:27,179 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_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/sv-benchmarks/c/float-benchs/inv_square_int.c[482,495] [2024-11-25 04:51:27,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:51:27,210 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:51:27,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:27 WrapperNode [2024-11-25 04:51:27,211 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:51:27,212 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:51:27,212 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:51:27,212 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:51:27,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:27" (1/1) ... [2024-11-25 04:51:27,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:27" (1/1) ... [2024-11-25 04:51:27,256 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2024-11-25 04:51:27,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:51:27,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:51:27,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:51:27,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:51:27,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:27" (1/1) ... [2024-11-25 04:51:27,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:27" (1/1) ... [2024-11-25 04:51:27,270 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:27" (1/1) ... [2024-11-25 04:51:27,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:27" (1/1) ... [2024-11-25 04:51:27,280 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:27" (1/1) ... [2024-11-25 04:51:27,285 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:27" (1/1) ... [2024-11-25 04:51:27,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:27" (1/1) ... [2024-11-25 04:51:27,293 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:27" (1/1) ... [2024-11-25 04:51:27,294 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:27" (1/1) ... [2024-11-25 04:51:27,299 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:51:27,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:51:27,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:51:27,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:51:27,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:27" (1/1) ... [2024-11-25 04:51:27,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:51:27,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:51:27,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:51:27,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:51:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:51:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:51:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:51:27,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:51:27,455 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:51:27,457 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:51:29,096 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-25 04:51:29,096 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:51:29,159 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:51:29,159 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:51:29,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:29 BoogieIcfgContainer [2024-11-25 04:51:29,159 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:51:29,160 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:51:29,160 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:51:29,172 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:51:29,172 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:29" (1/1) ... [2024-11-25 04:51:29,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:51:29,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:29,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-25 04:51:29,240 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-25 04:51:29,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 04:51:29,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:29,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:29,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:29,248 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:29,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:51:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:29,431 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:30,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 04:51:30,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:31,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:51:31,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:51:32,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:32,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-25 04:51:32,689 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-25 04:51:32,689 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 04:51:32,689 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-25 04:51:32,698 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 04:51:32,713 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 04:51:32,713 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2024-11-25 04:51:32,713 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|) [2024-11-25 04:51:32,714 INFO L75 FloydHoareUtils]: For program point L13-1(line 13) no Hoare annotation was computed. [2024-11-25 04:51:32,714 INFO L77 FloydHoareUtils]: At program point L13-3(line 13) the Hoare annotation is: true [2024-11-25 04:51:32,714 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 04:51:32,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:51:32 ImpRootNode [2024-11-25 04:51:32,719 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:51:32,720 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:51:32,720 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:51:32,720 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:51:32,721 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:51:29" (3/4) ... [2024-11-25 04:51:32,723 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 04:51:32,728 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-25 04:51:32,729 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-25 04:51:32,729 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 04:51:32,729 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 04:51:32,803 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:51:32,804 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:51:32,804 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:51:32,805 INFO L158 Benchmark]: Toolchain (without parser) took 5919.63ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 48.0MB in the end (delta: 45.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 04:51:32,805 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:32,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.19ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 82.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:51:32,806 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.16ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 80.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:32,806 INFO L158 Benchmark]: Boogie Preprocessor took 40.87ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 80.1MB in the end (delta: 730.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:32,809 INFO L158 Benchmark]: RCFGBuilder took 1859.85ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 67.5MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:51:32,810 INFO L158 Benchmark]: CodeCheck took 3559.24ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 52.4MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:51:32,811 INFO L158 Benchmark]: Witness Printer took 83.89ms. Allocated memory is still 117.4MB. Free memory was 52.4MB in the beginning and 48.0MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:32,813 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: 3.5s, 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, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.9s 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, 0.8s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 2 NumberOfNonLiveVariables, 18 ConjunctsInSsa, 5 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: 13]: 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 0.35ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.19ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 82.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.16ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 80.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.87ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 80.1MB in the end (delta: 730.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1859.85ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 67.5MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3559.24ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 52.4MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 83.89ms. Allocated memory is still 117.4MB. Free memory was 52.4MB in the beginning and 48.0MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 04:51:32,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a77561fd-b4ce-4629-9d05-cc16e71b5ae7/bin/ukojak-verify-ENZ3QT5qd3/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