./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_square_int.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d6111f1172e07b7206075be423d21f33b529e79943d78b2db976fd996371e2d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:42:39,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:42:39,392 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:42:39,400 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:42:39,400 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:42:39,434 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:42:39,435 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:42:39,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:42:39,437 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:42:39,438 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:42:39,439 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:42:39,439 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:42:39,439 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:42:39,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:42:39,439 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:42:39,439 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:42:39,440 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:42:39,440 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:42:39,440 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:42:39,440 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:42:39,440 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:42:39,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:42:39,440 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:42:39,440 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:42:39,440 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:42:39,440 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:42:39,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:42:39,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:42:39,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:42:39,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:42:39,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:42:39,441 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:42:39,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:42:39,441 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_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d6111f1172e07b7206075be423d21f33b529e79943d78b2db976fd996371e2d [2024-11-13 22:42:39,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:42:39,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:42:39,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:42:39,855 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:42:39,856 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:42:39,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/inv_square_int.c Unable to find full path for "g++" [2024-11-13 22:42:41,812 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:42:42,122 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:42:42,123 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/sv-benchmarks/c/float-benchs/inv_square_int.c [2024-11-13 22:42:42,130 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/data/ae2609f67/45c128c7a2934f56abfb8049f01352be/FLAG5c20a1a79 [2024-11-13 22:42:42,397 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/data/ae2609f67/45c128c7a2934f56abfb8049f01352be [2024-11-13 22:42:42,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:42:42,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:42:42,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:42:42,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:42:42,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:42:42,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:42:42" (1/1) ... [2024-11-13 22:42:42,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@633f91a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:42, skipping insertion in model container [2024-11-13 22:42:42,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:42:42" (1/1) ... [2024-11-13 22:42:42,425 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:42:42,589 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_144489b3-4814-41d5-8e04-f6a96d9e4d3d/sv-benchmarks/c/float-benchs/inv_square_int.c[482,495] [2024-11-13 22:42:42,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:42:42,618 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:42:42,631 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_144489b3-4814-41d5-8e04-f6a96d9e4d3d/sv-benchmarks/c/float-benchs/inv_square_int.c[482,495] [2024-11-13 22:42:42,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:42:42,646 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:42:42,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:42 WrapperNode [2024-11-13 22:42:42,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:42:42,648 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:42:42,648 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:42:42,648 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:42:42,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:42" (1/1) ... [2024-11-13 22:42:42,664 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:42" (1/1) ... [2024-11-13 22:42:42,682 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2024-11-13 22:42:42,683 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:42:42,684 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:42:42,685 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:42:42,685 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:42:42,692 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:42" (1/1) ... [2024-11-13 22:42:42,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:42" (1/1) ... [2024-11-13 22:42:42,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:42" (1/1) ... [2024-11-13 22:42:42,695 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:42" (1/1) ... [2024-11-13 22:42:42,699 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:42" (1/1) ... [2024-11-13 22:42:42,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:42" (1/1) ... [2024-11-13 22:42:42,702 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:42" (1/1) ... [2024-11-13 22:42:42,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:42" (1/1) ... [2024-11-13 22:42:42,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:42:42,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:42:42,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:42:42,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:42:42,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:42" (1/1) ... [2024-11-13 22:42:42,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:42:42,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:42:42,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:42:42,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:42:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:42:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:42:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:42:42,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:42:42,860 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:42:42,863 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:42:42,965 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 22:42:42,965 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:42:43,016 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:42:43,017 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:42:43,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:42:43 BoogieIcfgContainer [2024-11-13 22:42:43,017 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:42:43,018 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:42:43,019 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:42:43,030 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:42:43,031 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:42:43" (1/1) ... [2024-11-13 22:42:43,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:42:43,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:42:43,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 22:42:43,094 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 22:42:43,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:42:43,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:42:43,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:42:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:42:43,187 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:42:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:42:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:42:43,243 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:42:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:42:43,258 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:42:43,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:42:43 ImpRootNode [2024-11-13 22:42:43,277 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:42:43,278 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:42:43,278 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:42:43,278 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:42:43,279 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:42:43" (3/4) ... [2024-11-13 22:42:43,282 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:42:43,283 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:42:43,284 INFO L158 Benchmark]: Toolchain (without parser) took 882.03ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 58.1MB in the end (delta: 34.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 22:42:43,284 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory was 41.7MB in the beginning and 41.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:42:43,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.97ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 81.2MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:42:43,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.69ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.2MB in the end (delta: 956.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:42:43,285 INFO L158 Benchmark]: Boogie Preprocessor took 23.30ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.3MB in the end (delta: 945.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:42:43,286 INFO L158 Benchmark]: RCFGBuilder took 309.53ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 68.4MB in the end (delta: 10.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:42:43,286 INFO L158 Benchmark]: CodeCheck took 258.69ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 58.1MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:42:43,287 INFO L158 Benchmark]: Witness Printer took 5.02ms. Allocated memory is still 117.4MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:42:43,289 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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 0.38ms. Allocated memory is still 83.9MB. Free memory was 41.7MB in the beginning and 41.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.97ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 81.2MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.69ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.2MB in the end (delta: 956.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.30ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.3MB in the end (delta: 945.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 309.53ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 68.4MB in the end (delta: 10.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 258.69ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 58.1MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.02ms. Allocated memory is still 117.4MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:42:43,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_square_int.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d6111f1172e07b7206075be423d21f33b529e79943d78b2db976fd996371e2d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:42:46,038 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:42:46,169 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:42:46,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:42:46,213 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:42:46,213 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:42:46,213 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:42:46,214 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:42:46,214 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:42:46,214 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:42:46,215 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:42:46,215 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:42:46,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:42:46,215 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:42:46,215 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:42:46,215 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:42:46,215 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:42:46,215 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:42:46,215 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:42:46,215 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:42:46,216 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:42:46,216 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:42:46,216 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:42:46,216 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:42:46,216 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:42:46,216 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:42:46,216 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:42:46,218 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:42:46,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:42:46,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:42:46,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:42:46,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:42:46,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:42:46,219 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:42:46,219 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:42:46,219 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:42:46,220 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_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d6111f1172e07b7206075be423d21f33b529e79943d78b2db976fd996371e2d [2024-11-13 22:42:46,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:42:46,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:42:46,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:42:46,557 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:42:46,558 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:42:46,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/inv_square_int.c Unable to find full path for "g++" [2024-11-13 22:42:48,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:42:48,796 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:42:48,801 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/sv-benchmarks/c/float-benchs/inv_square_int.c [2024-11-13 22:42:48,815 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/data/d218bbd04/02504f82f3564d84aeb5a9a8fd6d3acc/FLAGb9011bce1 [2024-11-13 22:42:48,841 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/data/d218bbd04/02504f82f3564d84aeb5a9a8fd6d3acc [2024-11-13 22:42:48,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:42:48,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:42:48,848 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:42:48,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:42:48,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:42:48,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:42:48" (1/1) ... [2024-11-13 22:42:48,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ea38fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:48, skipping insertion in model container [2024-11-13 22:42:48,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:42:48" (1/1) ... [2024-11-13 22:42:48,872 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:42:49,045 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_144489b3-4814-41d5-8e04-f6a96d9e4d3d/sv-benchmarks/c/float-benchs/inv_square_int.c[482,495] [2024-11-13 22:42:49,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:42:49,080 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:42:49,092 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_144489b3-4814-41d5-8e04-f6a96d9e4d3d/sv-benchmarks/c/float-benchs/inv_square_int.c[482,495] [2024-11-13 22:42:49,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:42:49,120 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:42:49,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:49 WrapperNode [2024-11-13 22:42:49,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:42:49,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:42:49,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:42:49,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:42:49,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:49" (1/1) ... [2024-11-13 22:42:49,142 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:49" (1/1) ... [2024-11-13 22:42:49,161 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2024-11-13 22:42:49,162 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:42:49,163 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:42:49,163 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:42:49,163 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:42:49,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:49" (1/1) ... [2024-11-13 22:42:49,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:49" (1/1) ... [2024-11-13 22:42:49,179 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:49" (1/1) ... [2024-11-13 22:42:49,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:49" (1/1) ... [2024-11-13 22:42:49,190 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:49" (1/1) ... [2024-11-13 22:42:49,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:49" (1/1) ... [2024-11-13 22:42:49,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:49" (1/1) ... [2024-11-13 22:42:49,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:49" (1/1) ... [2024-11-13 22:42:49,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:42:49,205 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:42:49,205 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:42:49,205 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:42:49,206 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:49" (1/1) ... [2024-11-13 22:42:49,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:42:49,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:42:49,248 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:42:49,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:42:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:42:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:42:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:42:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:42:49,370 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:42:49,372 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:42:50,384 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 22:42:50,384 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:42:50,455 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:42:50,456 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:42:50,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:42:50 BoogieIcfgContainer [2024-11-13 22:42:50,456 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:42:50,457 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:42:50,457 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:42:50,469 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:42:50,469 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:42:50" (1/1) ... [2024-11-13 22:42:50,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:42:50,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:42:50,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 22:42:50,534 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 22:42:50,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:42:50,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:42:50,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:42:50,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:42:50,542 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:42:50,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:42:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:42:50,737 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:42:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:42:51,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:42:51,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:42:52,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:42:52,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:42:53,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:42:53,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-13 22:42:53,225 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-13 22:42:53,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:42:53,226 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-13 22:42:53,234 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:42:53,250 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:42:53,250 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2024-11-13 22:42:53,251 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|) [2024-11-13 22:42:53,251 INFO L75 FloydHoareUtils]: For program point L13-1(line 13) no Hoare annotation was computed. [2024-11-13 22:42:53,251 INFO L77 FloydHoareUtils]: At program point L13-3(line 13) the Hoare annotation is: true [2024-11-13 22:42:53,251 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:42:53,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:42:53 ImpRootNode [2024-11-13 22:42:53,258 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:42:53,259 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:42:53,259 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:42:53,259 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:42:53,260 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:42:50" (3/4) ... [2024-11-13 22:42:53,262 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:42:53,267 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-13 22:42:53,268 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-13 22:42:53,268 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:42:53,268 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:42:53,341 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:42:53,341 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:42:53,341 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:42:53,342 INFO L158 Benchmark]: Toolchain (without parser) took 4496.92ms. Allocated memory is still 83.9MB. Free memory was 61.2MB in the beginning and 53.4MB in the end (delta: 7.8MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2024-11-13 22:42:53,343 INFO L158 Benchmark]: CDTParser took 1.49ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:42:53,343 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.66ms. Allocated memory is still 83.9MB. Free memory was 60.9MB in the beginning and 49.7MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:42:53,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.59ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 48.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:42:53,344 INFO L158 Benchmark]: Boogie Preprocessor took 41.61ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 47.8MB in the end (delta: 913.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:42:53,344 INFO L158 Benchmark]: RCFGBuilder took 1251.47ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 35.5MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:42:53,344 INFO L158 Benchmark]: CodeCheck took 2800.87ms. Allocated memory is still 83.9MB. Free memory was 35.5MB in the beginning and 58.2MB in the end (delta: -22.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:42:53,345 INFO L158 Benchmark]: Witness Printer took 82.66ms. Allocated memory is still 83.9MB. Free memory was 57.6MB in the beginning and 53.4MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:42:53,346 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: 2.7s, 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, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.5s 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, 0.7s SatisfiabilityAnalysisTime, 1.2s 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 - 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 1.49ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.66ms. Allocated memory is still 83.9MB. Free memory was 60.9MB in the beginning and 49.7MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.59ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 48.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.61ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 47.8MB in the end (delta: 913.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1251.47ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 35.5MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2800.87ms. Allocated memory is still 83.9MB. Free memory was 35.5MB in the beginning and 58.2MB in the end (delta: -22.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 82.66ms. Allocated memory is still 83.9MB. Free memory was 57.6MB in the beginning and 53.4MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:42:53,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_144489b3-4814-41d5-8e04-f6a96d9e4d3d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE