./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/square_2.i --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_1efaa0eb-3fae-4bae-944d-832858a2379b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1efaa0eb-3fae-4bae-944d-832858a2379b/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_1efaa0eb-3fae-4bae-944d-832858a2379b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1efaa0eb-3fae-4bae-944d-832858a2379b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1efaa0eb-3fae-4bae-944d-832858a2379b/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_1efaa0eb-3fae-4bae-944d-832858a2379b/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 8a6cb7e7408af12d21fe6db26ed13525a6aeea3116434a553f8758caff4c6db4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:19:52,389 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:19:52,487 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1efaa0eb-3fae-4bae-944d-832858a2379b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:19:52,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:19:52,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:19:52,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:19:52,533 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:19:52,533 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:19:52,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:19:52,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:19:52,536 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:19:52,536 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:19:52,536 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:19:52,536 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:19:52,536 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:19:52,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:19:52,536 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:19:52,536 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:19:52,537 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:19:52,537 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:19:52,537 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:19:52,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:19:52,537 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:19:52,537 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:19:52,537 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:19:52,537 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:19:52,537 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:19:52,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:19:52,538 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:19:52,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:19:52,538 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:19:52,538 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:19:52,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:19:52,539 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_1efaa0eb-3fae-4bae-944d-832858a2379b/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 -> 8a6cb7e7408af12d21fe6db26ed13525a6aeea3116434a553f8758caff4c6db4 [2024-11-13 22:19:52,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:19:52,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:19:52,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:19:52,929 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:19:52,929 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:19:52,931 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1efaa0eb-3fae-4bae-944d-832858a2379b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-cdfpl/square_2.i Unable to find full path for "g++" [2024-11-13 22:19:54,981 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:19:55,268 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:19:55,270 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1efaa0eb-3fae-4bae-944d-832858a2379b/sv-benchmarks/c/floats-cdfpl/square_2.i [2024-11-13 22:19:55,282 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1efaa0eb-3fae-4bae-944d-832858a2379b/bin/ukojak-verify-EEHR8qb7sm/data/bbdd4d83f/184a1d69e90f413faf8f4b7b658ce17e/FLAG65ea9fbb9 [2024-11-13 22:19:55,309 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1efaa0eb-3fae-4bae-944d-832858a2379b/bin/ukojak-verify-EEHR8qb7sm/data/bbdd4d83f/184a1d69e90f413faf8f4b7b658ce17e [2024-11-13 22:19:55,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:19:55,315 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:19:55,317 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:19:55,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:19:55,322 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:19:55,323 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:19:55" (1/1) ... [2024-11-13 22:19:55,325 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f06ff83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:55, skipping insertion in model container [2024-11-13 22:19:55,325 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:19:55" (1/1) ... [2024-11-13 22:19:55,344 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:19:55,503 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_1efaa0eb-3fae-4bae-944d-832858a2379b/sv-benchmarks/c/floats-cdfpl/square_2.i[1627,1640] [2024-11-13 22:19:55,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:19:55,519 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:19:55,532 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_1efaa0eb-3fae-4bae-944d-832858a2379b/sv-benchmarks/c/floats-cdfpl/square_2.i[1627,1640] [2024-11-13 22:19:55,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:19:55,544 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:19:55,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:55 WrapperNode [2024-11-13 22:19:55,545 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:19:55,546 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:19:55,546 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:19:55,546 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:19:55,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:55" (1/1) ... [2024-11-13 22:19:55,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:55" (1/1) ... [2024-11-13 22:19:55,571 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2024-11-13 22:19:55,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:19:55,573 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:19:55,573 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:19:55,573 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:19:55,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:55" (1/1) ... [2024-11-13 22:19:55,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:55" (1/1) ... [2024-11-13 22:19:55,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:55" (1/1) ... [2024-11-13 22:19:55,584 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:55" (1/1) ... [2024-11-13 22:19:55,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:55" (1/1) ... [2024-11-13 22:19:55,589 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:55" (1/1) ... [2024-11-13 22:19:55,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:55" (1/1) ... [2024-11-13 22:19:55,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:55" (1/1) ... [2024-11-13 22:19:55,593 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:19:55,594 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:19:55,594 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:19:55,594 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:19:55,595 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:19:55" (1/1) ... [2024-11-13 22:19:55,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:19:55,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1efaa0eb-3fae-4bae-944d-832858a2379b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:19:55,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1efaa0eb-3fae-4bae-944d-832858a2379b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:19:55,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1efaa0eb-3fae-4bae-944d-832858a2379b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:19:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:19:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:19:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:19:55,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:19:55,708 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:19:55,710 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:19:55,804 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 22:19:55,806 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:19:55,861 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:19:55,862 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:19:55,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:19:55 BoogieIcfgContainer [2024-11-13 22:19:55,862 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:19:55,863 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:19:55,863 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:19:55,877 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:19:55,877 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:19:55" (1/1) ... [2024-11-13 22:19:55,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:19:55,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:55,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 22:19:55,954 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 22:19:55,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:19:55,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:55,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:19:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:19:56,058 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:19:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:19:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:19:56,122 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:19:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:19:56,145 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:19:56,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:19:56 ImpRootNode [2024-11-13 22:19:56,172 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:19:56,174 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:19:56,174 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:19:56,174 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:19:56,175 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:19:55" (3/4) ... [2024-11-13 22:19:56,178 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:19:56,179 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:19:56,180 INFO L158 Benchmark]: Toolchain (without parser) took 864.87ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 60.4MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 22:19:56,181 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:19:56,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.00ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.7MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:19:56,183 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.33ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.9MB in the end (delta: 873.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:19:56,184 INFO L158 Benchmark]: Boogie Preprocessor took 20.03ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 80.0MB in the end (delta: 866.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:19:56,185 INFO L158 Benchmark]: RCFGBuilder took 268.63ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 70.0MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:19:56,186 INFO L158 Benchmark]: CodeCheck took 309.34ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 60.4MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:19:56,186 INFO L158 Benchmark]: Witness Printer took 5.58ms. Allocated memory is still 117.4MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:19:56,188 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: 38]: 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 30, overapproximation of someBinaryFLOATComparisonOperation at line 37, overapproximation of someBinaryArithmeticFLOAToperation at line 35. Possible FailurePath: [L29] float IN = __VERIFIER_nondet_float(); [L30] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L24] COND FALSE !(!cond) [L30] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L32] float x = IN; [L34-L35] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; [L37] COND TRUE !(result >= 0.0f && result < 1.398f) [L38] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.00ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.7MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.33ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.9MB in the end (delta: 873.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.03ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 80.0MB in the end (delta: 866.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 268.63ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 70.0MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 309.34ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 60.4MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.58ms. Allocated memory is still 117.4MB. Free memory is still 60.4MB. 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 22:19:56,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1efaa0eb-3fae-4bae-944d-832858a2379b/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_1efaa0eb-3fae-4bae-944d-832858a2379b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1efaa0eb-3fae-4bae-944d-832858a2379b/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_1efaa0eb-3fae-4bae-944d-832858a2379b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1efaa0eb-3fae-4bae-944d-832858a2379b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1efaa0eb-3fae-4bae-944d-832858a2379b/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_1efaa0eb-3fae-4bae-944d-832858a2379b/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 8a6cb7e7408af12d21fe6db26ed13525a6aeea3116434a553f8758caff4c6db4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:19:59,123 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:19:59,255 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1efaa0eb-3fae-4bae-944d-832858a2379b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:19:59,304 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:19:59,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:19:59,306 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:19:59,307 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:19:59,307 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:19:59,308 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:19:59,308 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:19:59,309 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:19:59,309 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:19:59,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:19:59,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:19:59,309 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:19:59,309 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:19:59,309 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:19:59,309 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:19:59,310 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:19:59,310 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:19:59,310 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:19:59,310 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:19:59,310 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:19:59,310 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:19:59,310 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:19:59,310 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:19:59,310 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:19:59,310 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:19:59,311 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:19:59,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:19:59,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:19:59,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:19:59,312 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:19:59,312 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:19:59,313 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:19:59,313 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:19:59,313 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_1efaa0eb-3fae-4bae-944d-832858a2379b/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 -> 8a6cb7e7408af12d21fe6db26ed13525a6aeea3116434a553f8758caff4c6db4 [2024-11-13 22:19:59,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:19:59,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:19:59,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:19:59,771 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:19:59,772 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:19:59,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1efaa0eb-3fae-4bae-944d-832858a2379b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-cdfpl/square_2.i Unable to find full path for "g++" [2024-11-13 22:20:01,861 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:20:02,114 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:20:02,116 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1efaa0eb-3fae-4bae-944d-832858a2379b/sv-benchmarks/c/floats-cdfpl/square_2.i [2024-11-13 22:20:02,130 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1efaa0eb-3fae-4bae-944d-832858a2379b/bin/ukojak-verify-EEHR8qb7sm/data/7ad167efb/caa3f897a54449f9a1d3aa52387d62a6/FLAG43984ecba [2024-11-13 22:20:02,159 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1efaa0eb-3fae-4bae-944d-832858a2379b/bin/ukojak-verify-EEHR8qb7sm/data/7ad167efb/caa3f897a54449f9a1d3aa52387d62a6 [2024-11-13 22:20:02,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:20:02,164 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:20:02,167 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:20:02,168 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:20:02,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:20:02,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:20:02" (1/1) ... [2024-11-13 22:20:02,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@665333c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:02, skipping insertion in model container [2024-11-13 22:20:02,174 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:20:02" (1/1) ... [2024-11-13 22:20:02,190 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:20:02,374 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_1efaa0eb-3fae-4bae-944d-832858a2379b/sv-benchmarks/c/floats-cdfpl/square_2.i[1627,1640] [2024-11-13 22:20:02,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:20:02,398 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:20:02,418 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_1efaa0eb-3fae-4bae-944d-832858a2379b/sv-benchmarks/c/floats-cdfpl/square_2.i[1627,1640] [2024-11-13 22:20:02,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:20:02,437 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:20:02,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:02 WrapperNode [2024-11-13 22:20:02,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:20:02,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:20:02,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:20:02,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:20:02,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:02" (1/1) ... [2024-11-13 22:20:02,455 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:02" (1/1) ... [2024-11-13 22:20:02,475 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2024-11-13 22:20:02,476 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:20:02,477 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:20:02,477 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:20:02,477 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:20:02,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:02" (1/1) ... [2024-11-13 22:20:02,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:02" (1/1) ... [2024-11-13 22:20:02,488 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:02" (1/1) ... [2024-11-13 22:20:02,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:02" (1/1) ... [2024-11-13 22:20:02,498 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:02" (1/1) ... [2024-11-13 22:20:02,504 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:02" (1/1) ... [2024-11-13 22:20:02,507 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:02" (1/1) ... [2024-11-13 22:20:02,508 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:02" (1/1) ... [2024-11-13 22:20:02,510 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:20:02,515 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:20:02,515 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:20:02,515 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:20:02,516 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:02" (1/1) ... [2024-11-13 22:20:02,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:20:02,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1efaa0eb-3fae-4bae-944d-832858a2379b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:20:02,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1efaa0eb-3fae-4bae-944d-832858a2379b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:20:02,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1efaa0eb-3fae-4bae-944d-832858a2379b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:20:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:20:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:20:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:20:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:20:02,669 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:20:02,671 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:20:12,876 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 22:20:12,877 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:20:12,935 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:20:12,935 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:20:12,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:20:12 BoogieIcfgContainer [2024-11-13 22:20:12,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:20:12,937 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:20:12,937 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:20:12,948 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:20:12,948 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:20:12" (1/1) ... [2024-11-13 22:20:12,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:20:13,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:13,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 22:20:13,015 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 22:20:13,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:20:13,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:13,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:13,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1efaa0eb-3fae-4bae-944d-832858a2379b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:20:13,021 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1efaa0eb-3fae-4bae-944d-832858a2379b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:20:13,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1efaa0eb-3fae-4bae-944d-832858a2379b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:20:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:20:17,928 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:20:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat