./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/water_pid.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/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_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/water_pid.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/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_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/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 934622c50be6b43827f31f94ee6f464812ea7c1827ffb5fb855e650934cdada0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:15:44,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:15:44,144 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:15:44,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:15:44,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:15:44,185 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:15:44,186 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:15:44,186 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:15:44,186 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:15:44,187 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:15:44,187 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:15:44,187 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:15:44,187 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:15:44,187 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:15:44,188 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:15:44,188 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:15:44,188 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:15:44,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:15:44,188 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:15:44,188 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:15:44,189 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:15:44,189 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:15:44,189 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:15:44,189 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:15:44,189 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:15:44,190 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:15:44,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:15:44,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:15:44,190 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:15:44,190 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:15:44,191 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:15:44,191 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:15:44,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:15:44,191 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_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/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 -> 934622c50be6b43827f31f94ee6f464812ea7c1827ffb5fb855e650934cdada0 [2024-11-13 21:15:44,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:15:44,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:15:44,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:15:44,592 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:15:44,593 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:15:44,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/water_pid.c Unable to find full path for "g++" [2024-11-13 21:15:46,625 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:15:46,907 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:15:46,908 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/sv-benchmarks/c/float-benchs/water_pid.c [2024-11-13 21:15:46,917 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/data/f6aafd724/3081ca6cf0ff4d64b80c330fcd9bd285/FLAG77f710538 [2024-11-13 21:15:46,936 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/data/f6aafd724/3081ca6cf0ff4d64b80c330fcd9bd285 [2024-11-13 21:15:46,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:15:46,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:15:46,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:15:46,945 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:15:46,951 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:15:46,952 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:15:46" (1/1) ... [2024-11-13 21:15:46,954 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ecde773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:46, skipping insertion in model container [2024-11-13 21:15:46,955 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:15:46" (1/1) ... [2024-11-13 21:15:46,974 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:15:47,162 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_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/sv-benchmarks/c/float-benchs/water_pid.c[452,465] [2024-11-13 21:15:47,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:15:47,202 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:15:47,215 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_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/sv-benchmarks/c/float-benchs/water_pid.c[452,465] [2024-11-13 21:15:47,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:15:47,244 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:15:47,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:47 WrapperNode [2024-11-13 21:15:47,244 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:15:47,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:15:47,247 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:15:47,247 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:15:47,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:47" (1/1) ... [2024-11-13 21:15:47,262 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:47" (1/1) ... [2024-11-13 21:15:47,279 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2024-11-13 21:15:47,280 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:15:47,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:15:47,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:15:47,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:15:47,287 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:47" (1/1) ... [2024-11-13 21:15:47,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:47" (1/1) ... [2024-11-13 21:15:47,290 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:47" (1/1) ... [2024-11-13 21:15:47,291 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:47" (1/1) ... [2024-11-13 21:15:47,297 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:47" (1/1) ... [2024-11-13 21:15:47,302 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:47" (1/1) ... [2024-11-13 21:15:47,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:47" (1/1) ... [2024-11-13 21:15:47,303 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:47" (1/1) ... [2024-11-13 21:15:47,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:15:47,309 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:15:47,310 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:15:47,310 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:15:47,311 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:47" (1/1) ... [2024-11-13 21:15:47,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:15:47,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:15:47,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:15:47,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:15:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:15:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure y [2024-11-13 21:15:47,384 INFO L138 BoogieDeclarations]: Found implementation of procedure y [2024-11-13 21:15:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:15:47,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:15:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:15:47,462 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:15:47,464 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:15:47,590 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-13 21:15:47,591 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:15:47,618 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:15:47,618 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:15:47,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:15:47 BoogieIcfgContainer [2024-11-13 21:15:47,619 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:15:47,619 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:15:47,619 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:15:47,629 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:15:47,630 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:15:47" (1/1) ... [2024-11-13 21:15:47,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:15:47,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:47,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-13 21:15:47,701 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-13 21:15:47,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:15:47,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:47,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:15:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:15:47,807 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:15:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:15:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:15:47,891 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:15:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:15:47,924 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:15:47,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:15:47 ImpRootNode [2024-11-13 21:15:47,955 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:15:47,957 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:15:47,957 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:15:47,957 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:15:47,958 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:15:47" (3/4) ... [2024-11-13 21:15:47,960 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:15:47,961 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:15:47,962 INFO L158 Benchmark]: Toolchain (without parser) took 1021.32ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 81.4MB in the end (delta: 36.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:15:47,963 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:15:47,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.40ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 106.8MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:15:47,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.54ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 105.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:15:47,964 INFO L158 Benchmark]: Boogie Preprocessor took 24.41ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.9MB in the end (delta: 779.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:15:47,964 INFO L158 Benchmark]: RCFGBuilder took 309.19ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 94.2MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:15:47,965 INFO L158 Benchmark]: CodeCheck took 335.75ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 81.6MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:15:47,965 INFO L158 Benchmark]: Witness Printer took 4.46ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 81.4MB in the end (delta: 251.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:15:47,967 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 2 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 12 NumberOfCodeBlocks, 12 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: 8]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 37, overapproximation of someBinaryArithmeticDOUBLEoperation at line 18, overapproximation of someBinaryArithmeticDOUBLEoperation at line 41, overapproximation of someBinaryDOUBLEComparisonOperation at line 46, overapproximation of to_real at line 12. Possible FailurePath: [L12] static NUM yn = 0; [L14] NUM ui = 0; [L24] NUM yi, yc; [L25] NUM K; [L26] NUM T; [L27] NUM taui; [L28] NUM taud; [L29] NUM ei, sumej, epi; [L30] int i; [L31] T = 1 [L32] taui = 1 [L33] taud = 1 [L34] K = .5 [L35] yc = .5 [L36] CALL, EXPR y(0) VAL [\old(i)=0, \old(yn)=2, yn=2] [L18] yn += ui [L19] return yn; [L36] RET, EXPR y(0) VAL [yn=3] [L36] yi = y(0) [L37] epi = yc-yi [L38] sumej = epi [L39] i=0 VAL [i=0, yn=3] [L39] COND TRUE i<120 VAL [i=0, yn=3] [L40] CALL, EXPR y(i) VAL [\old(i)=0, \old(yn)=3, yn=3] [L18] yn += ui [L19] return yn; [L40] RET, EXPR y(i) VAL [i=0, yn=5] [L40] yi = y(i) [L41] ei = yc-yi [L42] sumej = sumej+ei [L43] ui = K*(ei+sumej*T/taui+taud/T*(ei-epi)) [L44] epi = ei [L46] CALL __VERIFIER_assert(epi >= -1. && epi <= 1.) [L8] COND TRUE !(cond) VAL [yn=5] [L8] reach_error() VAL [yn=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.40ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 106.8MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.54ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 105.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.41ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.9MB in the end (delta: 779.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 309.19ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 94.2MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 335.75ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 81.6MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.46ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 81.4MB in the end (delta: 251.4kB). 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 21:15:47,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/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_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/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_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/water_pid.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/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_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/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 934622c50be6b43827f31f94ee6f464812ea7c1827ffb5fb855e650934cdada0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:15:50,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:15:50,748 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:15:50,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:15:50,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:15:50,797 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:15:50,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:15:50,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:15:50,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:15:50,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:15:50,798 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:15:50,798 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:15:50,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:15:50,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:15:50,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:15:50,799 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:15:50,799 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:15:50,799 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:15:50,800 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:15:50,801 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:15:50,801 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:15:50,801 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:15:50,801 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:15:50,801 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:15:50,801 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:15:50,801 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:15:50,801 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:15:50,801 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:15:50,801 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:15:50,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:15:50,802 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:15:50,802 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:15:50,802 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:15:50,802 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:15:50,802 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:15:50,802 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:15:50,802 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_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/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 -> 934622c50be6b43827f31f94ee6f464812ea7c1827ffb5fb855e650934cdada0 [2024-11-13 21:15:51,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:15:51,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:15:51,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:15:51,122 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:15:51,123 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:15:51,124 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/water_pid.c Unable to find full path for "g++" [2024-11-13 21:15:53,330 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:15:53,551 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:15:53,551 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/sv-benchmarks/c/float-benchs/water_pid.c [2024-11-13 21:15:53,559 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/data/f070ba93d/713f730e88fc46429c2cb2c27b2512b9/FLAG541d8c9f0 [2024-11-13 21:15:53,907 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/data/f070ba93d/713f730e88fc46429c2cb2c27b2512b9 [2024-11-13 21:15:53,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:15:53,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:15:53,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:15:53,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:15:53,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:15:53,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:15:53" (1/1) ... [2024-11-13 21:15:53,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217d91e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:53, skipping insertion in model container [2024-11-13 21:15:53,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:15:53" (1/1) ... [2024-11-13 21:15:53,932 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:15:54,073 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_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/sv-benchmarks/c/float-benchs/water_pid.c[452,465] [2024-11-13 21:15:54,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:15:54,109 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:15:54,119 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_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/sv-benchmarks/c/float-benchs/water_pid.c[452,465] [2024-11-13 21:15:54,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:15:54,142 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:15:54,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:54 WrapperNode [2024-11-13 21:15:54,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:15:54,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:15:54,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:15:54,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:15:54,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:54" (1/1) ... [2024-11-13 21:15:54,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:54" (1/1) ... [2024-11-13 21:15:54,175 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2024-11-13 21:15:54,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:15:54,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:15:54,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:15:54,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:15:54,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:54" (1/1) ... [2024-11-13 21:15:54,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:54" (1/1) ... [2024-11-13 21:15:54,185 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:54" (1/1) ... [2024-11-13 21:15:54,185 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:54" (1/1) ... [2024-11-13 21:15:54,197 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:54" (1/1) ... [2024-11-13 21:15:54,201 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:54" (1/1) ... [2024-11-13 21:15:54,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:54" (1/1) ... [2024-11-13 21:15:54,203 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:54" (1/1) ... [2024-11-13 21:15:54,205 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:15:54,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:15:54,206 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:15:54,206 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:15:54,207 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:54" (1/1) ... [2024-11-13 21:15:54,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:15:54,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:15:54,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:15:54,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:15:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:15:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:15:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure y [2024-11-13 21:15:54,266 INFO L138 BoogieDeclarations]: Found implementation of procedure y [2024-11-13 21:15:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:15:54,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:15:54,340 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:15:54,342 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:16:05,420 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 21:16:05,420 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:16:05,466 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:16:05,467 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:16:05,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:16:05 BoogieIcfgContainer [2024-11-13 21:16:05,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:16:05,468 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:16:05,468 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:16:05,478 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:16:05,479 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:16:05" (1/1) ... [2024-11-13 21:16:05,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:16:05,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:05,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-13 21:16:05,539 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-13 21:16:05,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:16:05,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:05,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:16:05,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:16:05,548 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:16:05,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:16:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:11,967 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:16:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:16,221 WARN L253 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 21:16:16,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:16:26,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:16:26,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:16:33,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:16:52,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:17:04,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:17:17,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:17:29,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.88s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:17:41,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:17:52,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.78s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:17:55,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:17:55,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:55,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 19 states and 29 transitions. [2024-11-13 21:17:55,469 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-11-13 21:17:55,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:17:55,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:55,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:17:55,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:17:55,472 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:17:55,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:18:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:02,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:18:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:18:13,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:18:13,809 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 21:18:13,814 INFO L158 Benchmark]: Toolchain (without parser) took 139903.41ms. Allocated memory is still 83.9MB. Free memory was 61.5MB in the beginning and 34.0MB in the end (delta: 27.5MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-11-13 21:18:13,814 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:13,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.55ms. Allocated memory is still 83.9MB. Free memory was 61.2MB in the beginning and 49.7MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:18:13,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.24ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 48.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:13,815 INFO L158 Benchmark]: Boogie Preprocessor took 29.68ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 47.4MB in the end (delta: 765.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:18:13,816 INFO L158 Benchmark]: RCFGBuilder took 11261.00ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 34.9MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:18:13,816 INFO L158 Benchmark]: CodeCheck took 128345.32ms. Allocated memory is still 83.9MB. Free memory was 34.9MB in the beginning and 34.0MB in the end (delta: 966.2kB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2024-11-13 21:18:13,819 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 0.40ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.55ms. Allocated memory is still 83.9MB. Free memory was 61.2MB in the beginning and 49.7MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.24ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 48.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.68ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 47.4MB in the end (delta: 765.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 11261.00ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 34.9MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 128345.32ms. Allocated memory is still 83.9MB. Free memory was 34.9MB in the beginning and 34.0MB in the end (delta: 966.2kB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:18:14,028 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 21:18:14,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0b1796-58ff-4d61-8825-9bdba3b2e85b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown