./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_poly2.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_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/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_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_poly2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/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_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/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 14164d07a16e34a605f7e42a9694dd7b1f0302594742e37b160cf821b53bc94e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:37:57,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:37:57,309 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:37:57,315 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:37:57,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:37:57,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:37:57,361 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:37:57,361 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:37:57,361 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:37:57,362 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:37:57,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:37:57,362 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:37:57,362 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:37:57,362 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:37:57,362 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:37:57,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:37:57,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:37:57,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:37:57,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:37:57,367 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:37:57,367 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:37:57,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:37:57,367 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:37:57,368 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:37:57,368 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:37:57,368 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:37:57,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:37:57,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:37:57,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:37:57,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:37:57,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:37:57,369 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:37:57,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:37:57,369 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_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/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 -> 14164d07a16e34a605f7e42a9694dd7b1f0302594742e37b160cf821b53bc94e [2024-11-13 22:37:57,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:37:57,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:37:57,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:37:57,764 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:37:57,765 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:37:57,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/sqrt_poly2.c Unable to find full path for "g++" [2024-11-13 22:37:59,898 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:38:00,362 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:38:00,363 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/sv-benchmarks/c/float-benchs/sqrt_poly2.c [2024-11-13 22:38:00,372 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/bin/ukojak-verify-EEHR8qb7sm/data/744497c02/d56508c1606c4fcea62b9018f2bc36bf/FLAGde943cca8 [2024-11-13 22:38:00,390 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/bin/ukojak-verify-EEHR8qb7sm/data/744497c02/d56508c1606c4fcea62b9018f2bc36bf [2024-11-13 22:38:00,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:38:00,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:38:00,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:38:00,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:38:00,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:38:00,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:38:00" (1/1) ... [2024-11-13 22:38:00,406 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ab67b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:00, skipping insertion in model container [2024-11-13 22:38:00,406 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:38:00" (1/1) ... [2024-11-13 22:38:00,426 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:38:00,621 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_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/sv-benchmarks/c/float-benchs/sqrt_poly2.c[587,600] [2024-11-13 22:38:00,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:38:00,684 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:38:00,700 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_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/sv-benchmarks/c/float-benchs/sqrt_poly2.c[587,600] [2024-11-13 22:38:00,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:38:00,740 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:38:00,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:00 WrapperNode [2024-11-13 22:38:00,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:38:00,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:38:00,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:38:00,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:38:00,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:00" (1/1) ... [2024-11-13 22:38:00,766 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:00" (1/1) ... [2024-11-13 22:38:00,797 INFO L138 Inliner]: procedures = 18, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 90 [2024-11-13 22:38:00,798 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:38:00,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:38:00,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:38:00,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:38:00,812 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:00" (1/1) ... [2024-11-13 22:38:00,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:00" (1/1) ... [2024-11-13 22:38:00,817 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:00" (1/1) ... [2024-11-13 22:38:00,817 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:00" (1/1) ... [2024-11-13 22:38:00,833 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:00" (1/1) ... [2024-11-13 22:38:00,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:00" (1/1) ... [2024-11-13 22:38:00,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:00" (1/1) ... [2024-11-13 22:38:00,846 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:00" (1/1) ... [2024-11-13 22:38:00,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:38:00,849 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:38:00,849 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:38:00,850 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:38:00,851 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:00" (1/1) ... [2024-11-13 22:38:00,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:38:00,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:38:00,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:38:00,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:38:00,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:38:00,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:38:00,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:38:00,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 22:38:00,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:38:00,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 22:38:00,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:38:00,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:38:00,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:38:00,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:38:01,061 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:38:01,063 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:38:01,353 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 22:38:01,353 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:38:01,619 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:38:01,620 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:38:01,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:38:01 BoogieIcfgContainer [2024-11-13 22:38:01,621 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:38:01,622 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:38:01,622 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:38:01,640 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:38:01,641 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:38:01" (1/1) ... [2024-11-13 22:38:01,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:38:01,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:01,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 22:38:01,731 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 22:38:01,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:38:01,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:01,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:38:01,962 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:38:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:38:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:38:02,198 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:38:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:38:02,247 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:38:02,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:38:02 ImpRootNode [2024-11-13 22:38:02,291 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:38:02,293 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:38:02,293 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:38:02,294 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:38:02,295 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:38:01" (3/4) ... [2024-11-13 22:38:02,299 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:38:02,301 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:38:02,304 INFO L158 Benchmark]: Toolchain (without parser) took 1907.46ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 87.9MB in the end (delta: 5.7MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2024-11-13 22:38:02,305 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:38:02,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.06ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 81.8MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:38:02,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.36ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:38:02,308 INFO L158 Benchmark]: Boogie Preprocessor took 46.56ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.3MB in the end (delta: 949.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:38:02,308 INFO L158 Benchmark]: RCFGBuilder took 771.86ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 53.8MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:38:02,310 INFO L158 Benchmark]: CodeCheck took 669.42ms. Allocated memory is still 117.4MB. Free memory was 53.8MB in the beginning and 87.9MB in the end (delta: -34.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:38:02,311 INFO L158 Benchmark]: Witness Printer took 8.01ms. Allocated memory is still 117.4MB. Free memory was 87.9MB in the beginning and 87.9MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:38:02,316 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: 0.6s, 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, 0.1s 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: 14]: 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 someBinaryArithmeticDOUBLEoperation at line 39, overapproximation of bitwiseOr at line 38, overapproximation of someUnaryDOUBLEoperation at line 20, overapproximation of bitwiseAnd at line 37, overapproximation of someBinaryDOUBLEComparisonOperation at line 61. Possible FailurePath: [L17] double C0 = 1.414213538; [L18] double C1 = 0.229761391; [L19] double C2 = 1.296735525; [L20] double C3 = -0.901098370; [L21] double C4 = 0.493553400; [L22] double C5 = -0.118958666; [L58] double x,y; [L60] x = __VERIFIER_nondet_double() [L61] CALL assume_abort_if_not(x >= 1. && x <= 1e10) [L12] COND FALSE !(!cond) [L61] RET assume_abort_if_not(x >= 1. && x <= 1e10) [L63] CALL, EXPR sqrt_custom(x) [L31] union u x; [L32] double r; [L33] int exp; [L35] x.d = a [L37] EXPR x.i[0] [L37] EXPR x.i[0] & 0x7FF00000 [L37] exp = (x.i[0] & 0x7FF00000) >> 20 [L38] EXPR x.i[0] [L38] EXPR x.i[0] & 0x800FFFFF [L38] EXPR (x.i[0] & 0x800FFFFF) | 0x3FF00000 [L38] x.i[0] = (x.i[0] & 0x800FFFFF) | 0x3FF00000 [L39] EXPR x.d [L39] r = x.d * 0.5 [L41] r = C1+C2+(C3+(C4+C5*r)*r)*r [L43] COND TRUE exp % 2 == 0 [L44] exp++ [L50] x.i[0] = (exp/2 + 511) << 20 [L51] EXPR x.d [L51] r = r * x.d [L53] return r; [L53] return r; [L63] RET, EXPR sqrt_custom(x) [L63] y = sqrt_custom(x) [L65] CALL __VERIFIER_assert(y >= 0. && y <= 1e6) [L14] COND TRUE !(cond) VAL [C0=707106769/500000000, C1=229761391/1000000000, C2=51869421/40000000, C4=2467767/5000000] [L14] reach_error() VAL [C0=707106769/500000000, C1=229761391/1000000000, C2=51869421/40000000, C4=2467767/5000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.06ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 81.8MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.36ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.56ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.3MB in the end (delta: 949.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 771.86ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 53.8MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 669.42ms. Allocated memory is still 117.4MB. Free memory was 53.8MB in the beginning and 87.9MB in the end (delta: -34.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.01ms. Allocated memory is still 117.4MB. Free memory was 87.9MB in the beginning and 87.9MB in the end (delta: 21.0kB). 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 22:38:02,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/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_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_poly2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/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_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/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 14164d07a16e34a605f7e42a9694dd7b1f0302594742e37b160cf821b53bc94e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:38:05,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:38:05,698 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:38:05,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:38:05,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:38:05,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:38:05,762 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:38:05,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:38:05,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:38:05,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:38:05,764 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:38:05,765 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:38:05,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:38:05,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:38:05,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:38:05,765 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:38:05,765 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:38:05,766 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:38:05,766 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:38:05,766 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:38:05,767 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:38:05,767 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:38:05,767 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:38:05,767 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:38:05,767 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:38:05,767 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:38:05,767 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:38:05,768 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:38:05,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:38:05,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:38:05,768 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:38:05,768 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:38:05,768 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:38:05,768 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:38:05,769 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:38:05,769 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:38:05,769 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_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/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 -> 14164d07a16e34a605f7e42a9694dd7b1f0302594742e37b160cf821b53bc94e [2024-11-13 22:38:06,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:38:06,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:38:06,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:38:06,141 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:38:06,142 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:38:06,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/sqrt_poly2.c Unable to find full path for "g++" [2024-11-13 22:38:08,136 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:38:08,330 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:38:08,330 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/sv-benchmarks/c/float-benchs/sqrt_poly2.c [2024-11-13 22:38:08,337 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/bin/ukojak-verify-EEHR8qb7sm/data/cf6535ad3/a70d39f6bb8c413e8f8e291eb1ed8c1e/FLAGee647d112 [2024-11-13 22:38:08,351 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/bin/ukojak-verify-EEHR8qb7sm/data/cf6535ad3/a70d39f6bb8c413e8f8e291eb1ed8c1e [2024-11-13 22:38:08,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:38:08,357 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:38:08,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:38:08,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:38:08,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:38:08,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:38:08" (1/1) ... [2024-11-13 22:38:08,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be18ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:08, skipping insertion in model container [2024-11-13 22:38:08,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:38:08" (1/1) ... [2024-11-13 22:38:08,388 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:38:08,535 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_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/sv-benchmarks/c/float-benchs/sqrt_poly2.c[587,600] [2024-11-13 22:38:08,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:38:08,569 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:38:08,580 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_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/sv-benchmarks/c/float-benchs/sqrt_poly2.c[587,600] [2024-11-13 22:38:08,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:38:08,611 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:38:08,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:08 WrapperNode [2024-11-13 22:38:08,612 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:38:08,613 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:38:08,613 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:38:08,613 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:38:08,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:08" (1/1) ... [2024-11-13 22:38:08,631 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:08" (1/1) ... [2024-11-13 22:38:08,657 INFO L138 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2024-11-13 22:38:08,657 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:38:08,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:38:08,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:38:08,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:38:08,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:08" (1/1) ... [2024-11-13 22:38:08,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:08" (1/1) ... [2024-11-13 22:38:08,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:08" (1/1) ... [2024-11-13 22:38:08,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:08" (1/1) ... [2024-11-13 22:38:08,694 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:08" (1/1) ... [2024-11-13 22:38:08,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:08" (1/1) ... [2024-11-13 22:38:08,701 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:08" (1/1) ... [2024-11-13 22:38:08,705 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:08" (1/1) ... [2024-11-13 22:38:08,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:38:08,712 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:38:08,712 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:38:08,712 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:38:08,713 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:08" (1/1) ... [2024-11-13 22:38:08,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:38:08,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:38:08,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:38:08,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:38:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:38:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-13 22:38:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-13 22:38:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:38:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:38:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 22:38:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:38:08,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:38:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:38:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 22:38:08,899 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:38:08,901 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:38:26,059 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-13 22:38:26,060 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:38:26,185 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:38:26,185 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:38:26,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:38:26 BoogieIcfgContainer [2024-11-13 22:38:26,186 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:38:26,187 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:38:26,187 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:38:26,201 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:38:26,201 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:38:26" (1/1) ... [2024-11-13 22:38:26,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:38:26,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:26,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 22:38:26,262 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 22:38:26,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:38:26,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:26,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:38:26,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:38:26,270 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:38:26,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ec64b6-9c54-4061-9232-35bf77fa6fdc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:38:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:38:31,266 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:38:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat