./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/water_pid.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b --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-d790fec [2024-12-06 00:41:46,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:41:47,025 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:41:47,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:41:47,029 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:41:47,048 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:41:47,048 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:41:47,048 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:41:47,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:41:47,049 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:41:47,049 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:41:47,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:41:47,049 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:41:47,049 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:41:47,049 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:41:47,049 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:41:47,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:41:47,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:41:47,050 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:41:47,050 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:41:47,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:41:47,050 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:41:47,050 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:41:47,050 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:41:47,050 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:41:47,050 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:41:47,050 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:41:47,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:41:47,051 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:41:47,051 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:41:47,051 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:41:47,051 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:41:47,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:41:47,051 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_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b 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 [2024-12-06 00:41:47,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:41:47,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:41:47,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:41:47,307 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:41:47,308 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:41:47,309 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/water_pid.c [2024-12-06 00:41:49,913 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/data/925f776e2/278a84d0630b4defb42492ffa2e9cea5/FLAG68fd26cda [2024-12-06 00:41:50,135 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:41:50,140 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/sv-benchmarks/c/float-benchs/water_pid.c [2024-12-06 00:41:50,150 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/data/925f776e2/278a84d0630b4defb42492ffa2e9cea5/FLAG68fd26cda [2024-12-06 00:41:50,506 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/data/925f776e2/278a84d0630b4defb42492ffa2e9cea5 [2024-12-06 00:41:50,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:41:50,509 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:41:50,511 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:41:50,511 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:41:50,515 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:41:50,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:41:50" (1/1) ... [2024-12-06 00:41:50,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fac70fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:50, skipping insertion in model container [2024-12-06 00:41:50,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:41:50" (1/1) ... [2024-12-06 00:41:50,530 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:41:50,639 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_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/sv-benchmarks/c/float-benchs/water_pid.c[452,465] [2024-12-06 00:41:50,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:41:50,667 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:41:50,674 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_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/sv-benchmarks/c/float-benchs/water_pid.c[452,465] [2024-12-06 00:41:50,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:41:50,691 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:41:50,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:50 WrapperNode [2024-12-06 00:41:50,691 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:41:50,692 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:41:50,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:41:50,692 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:41:50,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:50" (1/1) ... [2024-12-06 00:41:50,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:50" (1/1) ... [2024-12-06 00:41:50,714 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2024-12-06 00:41:50,714 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:41:50,715 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:41:50,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:41:50,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:41:50,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:50" (1/1) ... [2024-12-06 00:41:50,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:50" (1/1) ... [2024-12-06 00:41:50,721 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:50" (1/1) ... [2024-12-06 00:41:50,721 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:50" (1/1) ... [2024-12-06 00:41:50,725 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:50" (1/1) ... [2024-12-06 00:41:50,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:50" (1/1) ... [2024-12-06 00:41:50,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:50" (1/1) ... [2024-12-06 00:41:50,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:50" (1/1) ... [2024-12-06 00:41:50,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:50" (1/1) ... [2024-12-06 00:41:50,731 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:41:50,732 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:41:50,732 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:41:50,732 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:41:50,733 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:50" (1/1) ... [2024-12-06 00:41:50,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:41:50,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:41:50,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:41:50,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:41:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:41:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure y [2024-12-06 00:41:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure y [2024-12-06 00:41:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:41:50,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:41:50,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:41:50,840 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:41:50,842 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:41:50,940 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-12-06 00:41:50,941 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:41:50,963 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:41:50,963 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:41:50,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:41:50 BoogieIcfgContainer [2024-12-06 00:41:50,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:41:50,964 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:41:50,964 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:41:50,973 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:41:50,973 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:41:50" (1/1) ... [2024-12-06 00:41:50,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:41:51,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:51,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-12-06 00:41:51,028 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-12-06 00:41:51,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:41:51,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:51,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:41:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:41:51,105 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:41:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:41:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:41:51,165 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:41:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:41:51,191 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 00:41:51,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:41:51 ImpRootNode [2024-12-06 00:41:51,211 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:41:51,211 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:41:51,211 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:41:51,212 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:41:51,212 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:41:50" (3/4) ... [2024-12-06 00:41:51,214 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:41:51,215 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:41:51,216 INFO L158 Benchmark]: Toolchain (without parser) took 706.65ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 80.3MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 00:41:51,217 INFO L158 Benchmark]: CDTParser took 1.76ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:41:51,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 180.90ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 106.1MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:41:51,217 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.15ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:41:51,218 INFO L158 Benchmark]: Boogie Preprocessor took 16.39ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 104.2MB in the end (delta: 842.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:41:51,218 INFO L158 Benchmark]: RCFGBuilder took 231.95ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 93.1MB in the end (delta: 11.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:41:51,219 INFO L158 Benchmark]: CodeCheck took 246.71ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 80.5MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:41:51,219 INFO L158 Benchmark]: Witness Printer took 3.88ms. Allocated memory is still 142.6MB. Free memory was 80.5MB in the beginning and 80.3MB in the end (delta: 196.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:41:51,221 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: 0.2s, 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, 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, ConComCheckerStatistics: 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 1.76ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 180.90ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 106.1MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.15ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.39ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 104.2MB in the end (delta: 842.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 231.95ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 93.1MB in the end (delta: 11.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 246.71ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 80.5MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.88ms. Allocated memory is still 142.6MB. Free memory was 80.5MB in the beginning and 80.3MB in the end (delta: 196.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:41:51,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/water_pid.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b --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-d790fec [2024-12-06 00:41:53,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:41:53,220 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:41:53,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:41:53,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:41:53,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:41:53,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:41:53,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:41:53,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:41:53,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:41:53,248 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:41:53,248 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:41:53,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:41:53,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:41:53,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:41:53,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:41:53,249 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:41:53,249 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:41:53,249 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:41:53,249 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:41:53,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:41:53,249 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:41:53,249 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:41:53,250 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:41:53,250 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:41:53,250 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:41:53,250 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:53,250 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:41:53,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:41:53,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:41:53,250 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:41:53,250 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:41:53,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:41:53,250 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:41:53,251 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:41:53,251 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:41:53,251 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_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b 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 [2024-12-06 00:41:53,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:41:53,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:41:53,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:41:53,508 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:41:53,509 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:41:53,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/water_pid.c [2024-12-06 00:41:56,243 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/data/bfcf3c2d1/f26bce6631274a809d49c9b3578f3b2d/FLAGef4d2c231 [2024-12-06 00:41:56,426 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:41:56,426 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/sv-benchmarks/c/float-benchs/water_pid.c [2024-12-06 00:41:56,435 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/data/bfcf3c2d1/f26bce6631274a809d49c9b3578f3b2d/FLAGef4d2c231 [2024-12-06 00:41:56,451 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/data/bfcf3c2d1/f26bce6631274a809d49c9b3578f3b2d [2024-12-06 00:41:56,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:41:56,455 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:41:56,457 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:41:56,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:41:56,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:41:56,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:41:56" (1/1) ... [2024-12-06 00:41:56,463 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48778972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:56, skipping insertion in model container [2024-12-06 00:41:56,463 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:41:56" (1/1) ... [2024-12-06 00:41:56,477 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:41:56,619 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_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/sv-benchmarks/c/float-benchs/water_pid.c[452,465] [2024-12-06 00:41:56,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:41:56,650 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:41:56,660 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_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/sv-benchmarks/c/float-benchs/water_pid.c[452,465] [2024-12-06 00:41:56,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:41:56,680 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:41:56,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:56 WrapperNode [2024-12-06 00:41:56,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:41:56,681 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:41:56,681 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:41:56,681 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:41:56,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:56" (1/1) ... [2024-12-06 00:41:56,695 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:56" (1/1) ... [2024-12-06 00:41:56,710 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2024-12-06 00:41:56,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:41:56,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:41:56,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:41:56,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:41:56,717 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:56" (1/1) ... [2024-12-06 00:41:56,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:56" (1/1) ... [2024-12-06 00:41:56,719 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:56" (1/1) ... [2024-12-06 00:41:56,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:56" (1/1) ... [2024-12-06 00:41:56,724 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:56" (1/1) ... [2024-12-06 00:41:56,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:56" (1/1) ... [2024-12-06 00:41:56,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:56" (1/1) ... [2024-12-06 00:41:56,730 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:56" (1/1) ... [2024-12-06 00:41:56,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:56" (1/1) ... [2024-12-06 00:41:56,732 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:41:56,733 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:41:56,733 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:41:56,733 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:41:56,734 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:41:56" (1/1) ... [2024-12-06 00:41:56,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:41:56,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:41:56,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:41:56,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:41:56,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:41:56,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:41:56,790 INFO L130 BoogieDeclarations]: Found specification of procedure y [2024-12-06 00:41:56,790 INFO L138 BoogieDeclarations]: Found implementation of procedure y [2024-12-06 00:41:56,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:41:56,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:41:56,841 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:41:56,842 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:42:07,970 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-06 00:42:07,970 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:42:08,000 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:42:08,000 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:42:08,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:42:08 BoogieIcfgContainer [2024-12-06 00:42:08,001 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:42:08,001 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:42:08,001 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:42:08,008 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:42:08,009 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:42:08" (1/1) ... [2024-12-06 00:42:08,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:42:08,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:08,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-12-06 00:42:08,052 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-12-06 00:42:08,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:42:08,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:08,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:08,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:42:08,058 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:42:08,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:42:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:42:14,074 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:42:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:42:25,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:42:25,723 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) [2024-12-06 00:42:25,726 INFO L158 Benchmark]: Toolchain (without parser) took 29270.57ms. Allocated memory is still 92.3MB. Free memory was 70.3MB in the beginning and 65.2MB in the end (delta: 5.1MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2024-12-06 00:42:25,727 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:42:25,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.82ms. Allocated memory is still 92.3MB. Free memory was 70.1MB in the beginning and 58.4MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:42:25,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.94ms. Allocated memory is still 92.3MB. Free memory was 58.4MB in the beginning and 57.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:42:25,728 INFO L158 Benchmark]: Boogie Preprocessor took 21.93ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 56.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:42:25,728 INFO L158 Benchmark]: RCFGBuilder took 11267.91ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 44.6MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:42:25,728 INFO L158 Benchmark]: CodeCheck took 17723.68ms. Allocated memory is still 92.3MB. Free memory was 44.5MB in the beginning and 65.2MB in the end (delta: -20.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:42:25,731 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 0.30ms. Allocated memory is still 83.9MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.82ms. Allocated memory is still 92.3MB. Free memory was 70.1MB in the beginning and 58.4MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.94ms. Allocated memory is still 92.3MB. Free memory was 58.4MB in the beginning and 57.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.93ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 56.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 11267.91ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 44.6MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 17723.68ms. Allocated memory is still 92.3MB. Free memory was 44.5MB in the beginning and 65.2MB in the end (delta: -20.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:42:25,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2b6d68-f49c-4ae4-a6ec-2ad2fb27f1fa/bin/ukojak-verify-CZk0znPC7b/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