./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/square_8.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_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/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_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/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_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/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 80c3dca82feaee551f8126572f1dcc09ca65938303a72a158f2c77643864b20a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:37:26,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:37:26,405 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:37:26,416 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:37:26,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:37:26,451 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:37:26,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:37:26,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:37:26,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:37:26,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:37:26,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:37:26,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:37:26,453 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:37:26,455 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:37:26,455 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:37:26,456 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:37:26,456 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:37:26,456 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:37:26,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:37:26,456 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:37:26,457 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:37:26,457 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:37:26,457 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:37:26,457 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:37:26,457 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:37:26,457 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:37:26,457 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:37:26,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:37:26,457 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:37:26,457 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:37:26,458 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:37:26,458 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:37:26,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:37:26,458 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_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/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 -> 80c3dca82feaee551f8126572f1dcc09ca65938303a72a158f2c77643864b20a [2024-11-13 20:37:26,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:37:26,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:37:26,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:37:26,752 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:37:26,753 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:37:26,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-cdfpl/square_8.i Unable to find full path for "g++" [2024-11-13 20:37:28,633 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:37:28,843 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:37:28,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/sv-benchmarks/c/floats-cdfpl/square_8.i [2024-11-13 20:37:28,851 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/bin/ukojak-verify-EEHR8qb7sm/data/b9a5448f7/63a423a6fcbe4c36bd197cb0b582f877/FLAGfbae0f9b5 [2024-11-13 20:37:28,878 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/bin/ukojak-verify-EEHR8qb7sm/data/b9a5448f7/63a423a6fcbe4c36bd197cb0b582f877 [2024-11-13 20:37:28,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:37:28,884 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:37:28,886 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:37:28,886 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:37:28,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:37:28,891 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:37:28" (1/1) ... [2024-11-13 20:37:28,892 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29c40687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:28, skipping insertion in model container [2024-11-13 20:37:28,896 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:37:28" (1/1) ... [2024-11-13 20:37:28,912 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:37:29,099 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_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/sv-benchmarks/c/floats-cdfpl/square_8.i[1625,1638] [2024-11-13 20:37:29,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:37:29,116 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:37:29,130 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_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/sv-benchmarks/c/floats-cdfpl/square_8.i[1625,1638] [2024-11-13 20:37:29,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:37:29,149 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:37:29,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:29 WrapperNode [2024-11-13 20:37:29,151 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:37:29,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:37:29,152 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:37:29,152 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:37:29,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:29" (1/1) ... [2024-11-13 20:37:29,166 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:29" (1/1) ... [2024-11-13 20:37:29,182 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2024-11-13 20:37:29,184 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:37:29,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:37:29,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:37:29,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:37:29,191 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:29" (1/1) ... [2024-11-13 20:37:29,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:29" (1/1) ... [2024-11-13 20:37:29,192 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:29" (1/1) ... [2024-11-13 20:37:29,193 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:29" (1/1) ... [2024-11-13 20:37:29,196 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:29" (1/1) ... [2024-11-13 20:37:29,199 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:29" (1/1) ... [2024-11-13 20:37:29,200 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:29" (1/1) ... [2024-11-13 20:37:29,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:29" (1/1) ... [2024-11-13 20:37:29,206 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:37:29,207 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:37:29,207 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:37:29,207 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:37:29,208 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:29" (1/1) ... [2024-11-13 20:37:29,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:37:29,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:37:29,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:37:29,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:37:29,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:37:29,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:37:29,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:37:29,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:37:29,338 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:37:29,340 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:37:29,414 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 20:37:29,414 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:37:29,475 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:37:29,476 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:37:29,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:37:29 BoogieIcfgContainer [2024-11-13 20:37:29,476 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:37:29,477 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:37:29,477 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:37:29,488 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:37:29,488 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:37:29" (1/1) ... [2024-11-13 20:37:29,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:37:29,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:37:29,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 20:37:29,547 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 20:37:29,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 20:37:29,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:37:29,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:37:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:37:29,644 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:37:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:37:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:37:29,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:37:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:37:29,713 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:37:29,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:37:29 ImpRootNode [2024-11-13 20:37:29,737 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:37:29,739 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:37:29,739 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:37:29,740 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:37:29,740 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:37:29" (3/4) ... [2024-11-13 20:37:29,744 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:37:29,746 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:37:29,747 INFO L158 Benchmark]: Toolchain (without parser) took 863.32ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 60.5MB in the end (delta: 32.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 20:37:29,747 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 75.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:37:29,750 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.25ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 82.2MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:37:29,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.62ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:37:29,751 INFO L158 Benchmark]: Boogie Preprocessor took 21.09ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.5MB in the end (delta: 575.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:37:29,752 INFO L158 Benchmark]: RCFGBuilder took 269.58ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 70.5MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:37:29,752 INFO L158 Benchmark]: CodeCheck took 260.94ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 60.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:37:29,752 INFO L158 Benchmark]: Witness Printer took 6.74ms. Allocated memory is still 117.4MB. Free memory was 60.7MB in the beginning and 60.5MB in the end (delta: 169.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:37:29,755 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 < 1.5f) [L38] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 75.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.25ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 82.2MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.62ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.09ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.5MB in the end (delta: 575.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 269.58ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 70.5MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 260.94ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 60.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 6.74ms. Allocated memory is still 117.4MB. Free memory was 60.7MB in the beginning and 60.5MB in the end (delta: 169.4kB). 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 20:37:29,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/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_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/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_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/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 80c3dca82feaee551f8126572f1dcc09ca65938303a72a158f2c77643864b20a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:37:32,360 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:37:32,487 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:37:32,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:37:32,515 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:37:32,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:37:32,516 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:37:32,516 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:37:32,516 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:37:32,517 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:37:32,517 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:37:32,517 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:37:32,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:37:32,517 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:37:32,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:37:32,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:37:32,518 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:37:32,518 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:37:32,518 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:37:32,518 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:37:32,518 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:37:32,518 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:37:32,518 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:37:32,519 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:37:32,519 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:37:32,519 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:37:32,519 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:37:32,519 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:37:32,519 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:37:32,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:37:32,520 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:37:32,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:37:32,520 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:37:32,520 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:37:32,520 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:37:32,520 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:37:32,520 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_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/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 -> 80c3dca82feaee551f8126572f1dcc09ca65938303a72a158f2c77643864b20a [2024-11-13 20:37:32,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:37:32,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:37:32,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:37:32,844 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:37:32,844 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:37:32,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-cdfpl/square_8.i Unable to find full path for "g++" [2024-11-13 20:37:34,761 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:37:35,041 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:37:35,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/sv-benchmarks/c/floats-cdfpl/square_8.i [2024-11-13 20:37:35,064 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/bin/ukojak-verify-EEHR8qb7sm/data/9bb1f0f43/ee05f7ad79ec468dbde5bd1cf19db44e/FLAGe2df3a2a8 [2024-11-13 20:37:35,112 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/bin/ukojak-verify-EEHR8qb7sm/data/9bb1f0f43/ee05f7ad79ec468dbde5bd1cf19db44e [2024-11-13 20:37:35,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:37:35,120 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:37:35,123 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:37:35,123 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:37:35,128 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:37:35,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:37:35" (1/1) ... [2024-11-13 20:37:35,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66479900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:35, skipping insertion in model container [2024-11-13 20:37:35,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:37:35" (1/1) ... [2024-11-13 20:37:35,147 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:37:35,334 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_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/sv-benchmarks/c/floats-cdfpl/square_8.i[1625,1638] [2024-11-13 20:37:35,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:37:35,356 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:37:35,376 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_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/sv-benchmarks/c/floats-cdfpl/square_8.i[1625,1638] [2024-11-13 20:37:35,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:37:35,397 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:37:35,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:35 WrapperNode [2024-11-13 20:37:35,398 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:37:35,400 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:37:35,400 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:37:35,400 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:37:35,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:35" (1/1) ... [2024-11-13 20:37:35,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:35" (1/1) ... [2024-11-13 20:37:35,436 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2024-11-13 20:37:35,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:37:35,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:37:35,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:37:35,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:37:35,446 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:35" (1/1) ... [2024-11-13 20:37:35,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:35" (1/1) ... [2024-11-13 20:37:35,449 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:35" (1/1) ... [2024-11-13 20:37:35,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:35" (1/1) ... [2024-11-13 20:37:35,458 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:35" (1/1) ... [2024-11-13 20:37:35,459 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:35" (1/1) ... [2024-11-13 20:37:35,461 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:35" (1/1) ... [2024-11-13 20:37:35,462 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:35" (1/1) ... [2024-11-13 20:37:35,463 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:37:35,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:37:35,464 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:37:35,464 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:37:35,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:35" (1/1) ... [2024-11-13 20:37:35,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:37:35,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:37:35,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:37:35,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:37:35,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:37:35,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:37:35,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:37:35,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:37:35,601 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:37:35,603 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:37:45,804 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 20:37:45,805 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:37:45,860 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:37:45,860 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:37:45,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:37:45 BoogieIcfgContainer [2024-11-13 20:37:45,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:37:45,861 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:37:45,862 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:37:45,872 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:37:45,872 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:37:45" (1/1) ... [2024-11-13 20:37:45,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:37:45,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:37:45,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 20:37:45,949 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 20:37:45,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 20:37:45,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:37:45,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:37:45,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:37:45,958 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:37:45,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:37:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:37:49,699 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:37:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:38:00,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:38:00,002 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 20:38:00,006 INFO L158 Benchmark]: Toolchain (without parser) took 24885.88ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 59.8MB in the end (delta: 33.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 20:38:00,007 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:38:00,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.45ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:38:00,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.78ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:38:00,008 INFO L158 Benchmark]: Boogie Preprocessor took 25.21ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.3MB in the end (delta: 871.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:38:00,008 INFO L158 Benchmark]: RCFGBuilder took 10396.53ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 67.4MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:38:00,009 INFO L158 Benchmark]: CodeCheck took 14143.91ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 59.8MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:38:00,011 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.45ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.78ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.21ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.3MB in the end (delta: 871.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 10396.53ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 67.4MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14143.91ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 59.8MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 20:38:00,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1666fc6-e6e9-4664-9a99-4ffb8bdd1dbe/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown