./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.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_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/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_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/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_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/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 1b47128f3a13b8a14fa5679442cf3dce52b78403c71ab556b465499f91ebd451 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:10:21,359 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:10:21,420 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:10:21,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:10:21,425 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:10:21,464 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:10:21,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:10:21,466 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:10:21,466 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:10:21,467 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:10:21,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:10:21,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:10:21,468 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:10:21,469 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:10:21,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:10:21,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:10:21,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:10:21,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:10:21,469 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:10:21,469 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:10:21,469 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:10:21,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:10:21,470 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:10:21,470 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:10:21,471 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:10:21,471 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:10:21,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:10:21,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:10:21,471 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:10:21,471 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:10:21,471 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:10:21,472 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:10:21,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:10:21,472 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_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/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 -> 1b47128f3a13b8a14fa5679442cf3dce52b78403c71ab556b465499f91ebd451 [2024-11-13 21:10:21,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:10:21,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:10:21,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:10:21,759 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:10:21,762 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:10:21,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c Unable to find full path for "g++" [2024-11-13 21:10:23,670 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:10:23,960 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:10:23,961 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c [2024-11-13 21:10:23,969 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/data/076ed7c6d/852e0a2e32c242d69c1015802c1bf24f/FLAG870e14b0d [2024-11-13 21:10:23,984 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/data/076ed7c6d/852e0a2e32c242d69c1015802c1bf24f [2024-11-13 21:10:23,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:10:23,988 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:10:23,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:10:23,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:10:23,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:10:23,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:10:23" (1/1) ... [2024-11-13 21:10:23,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@149b7e9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:23, skipping insertion in model container [2024-11-13 21:10:23,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:10:23" (1/1) ... [2024-11-13 21:10:24,015 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:10:24,168 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_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c[474,487] [2024-11-13 21:10:24,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:10:24,207 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:10:24,218 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_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c[474,487] [2024-11-13 21:10:24,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:10:24,251 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:10:24,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:24 WrapperNode [2024-11-13 21:10:24,252 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:10:24,253 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:10:24,253 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:10:24,253 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:10:24,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:24" (1/1) ... [2024-11-13 21:10:24,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:24" (1/1) ... [2024-11-13 21:10:24,279 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-13 21:10:24,279 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:10:24,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:10:24,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:10:24,280 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:10:24,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:24" (1/1) ... [2024-11-13 21:10:24,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:24" (1/1) ... [2024-11-13 21:10:24,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:24" (1/1) ... [2024-11-13 21:10:24,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:24" (1/1) ... [2024-11-13 21:10:24,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:24" (1/1) ... [2024-11-13 21:10:24,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:24" (1/1) ... [2024-11-13 21:10:24,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:24" (1/1) ... [2024-11-13 21:10:24,297 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:24" (1/1) ... [2024-11-13 21:10:24,299 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:10:24,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:10:24,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:10:24,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:10:24,301 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:24" (1/1) ... [2024-11-13 21:10:24,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:10:24,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:10:24,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:10:24,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:10:24,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:10:24,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:10:24,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:10:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:10:24,440 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:10:24,447 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:10:24,610 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-13 21:10:24,610 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:10:24,674 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:10:24,675 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:10:24,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:10:24 BoogieIcfgContainer [2024-11-13 21:10:24,675 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:10:24,676 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:10:24,676 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:10:24,691 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:10:24,692 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:10:24" (1/1) ... [2024-11-13 21:10:24,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:10:24,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:10:24,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 21:10:24,765 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 21:10:24,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:10:24,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:10:24,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:10:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:24,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:10:24,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:10:24,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-13 21:10:24,950 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-13 21:10:24,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:10:24,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:10:24,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:10:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:10:24,989 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:10:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:10:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:10:25,074 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:10:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:10:25,099 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 21:10:25,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:10:25 ImpRootNode [2024-11-13 21:10:25,123 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:10:25,124 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:10:25,124 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:10:25,124 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:10:25,125 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:10:24" (3/4) ... [2024-11-13 21:10:25,127 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:10:25,128 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:10:25,129 INFO L158 Benchmark]: Toolchain (without parser) took 1141.05ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 52.7MB in the end (delta: 40.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 21:10:25,129 INFO L158 Benchmark]: CDTParser took 1.49ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:10:25,130 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.88ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 82.0MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:10:25,130 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.54ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:10:25,131 INFO L158 Benchmark]: Boogie Preprocessor took 19.07ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.9MB in the end (delta: 687.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:10:25,131 INFO L158 Benchmark]: RCFGBuilder took 375.59ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 68.6MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:10:25,132 INFO L158 Benchmark]: CodeCheck took 447.09ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 53.0MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:10:25,132 INFO L158 Benchmark]: Witness Printer took 4.47ms. Allocated memory is still 117.4MB. Free memory was 53.0MB in the beginning and 52.7MB in the end (delta: 274.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:10:25,135 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 7 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 30 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, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 12]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 49, overapproximation of someBinaryFLOATComparisonOperation at line 22, overapproximation of someBinaryArithmeticFLOAToperation at line 21, overapproximation of someBinaryArithmeticFLOAToperation at line 32. Possible FailurePath: [L14] float pi = 3.14159 ; [L20] float x = __VERIFIER_nondet_float() ; [L21] float octant = pi/3 ; [L22] CALL assume_abort_if_not(x > 0 && x < octant) [L10] COND FALSE !(!cond) [L22] RET assume_abort_if_not(x > 0 && x < octant) [L23] float oddExp = x ; [L24] float evenExp = 1.0 ; [L25] float term = x ; [L26] unsigned int count = 2 ; [L27] int multFactor = 0 ; [L28] int temp ; VAL [count=2, pi=314159/100000] [L30] COND TRUE 1 [L32] term = term * (x/count) [L33] multFactor = (count>>1 % 2 == 0) ? 1 : -1 [L35] evenExp = evenExp + multFactor*term [L37] count++ [L39] term = term * (x/count) [L41] oddExp = oddExp + multFactor*term [L43] count++ [L45] temp = __VERIFIER_nondet_int() [L46] COND TRUE temp == 0 VAL [count=4, pi=314159/100000] [L49] CALL __VERIFIER_assert( oddExp >= evenExp ) [L12] COND TRUE !(cond) VAL [pi=314159/100000] [L12] reach_error() VAL [pi=314159/100000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.49ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.88ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 82.0MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.54ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.07ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.9MB in the end (delta: 687.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 375.59ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 68.6MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 447.09ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 53.0MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.47ms. Allocated memory is still 117.4MB. Free memory was 53.0MB in the beginning and 52.7MB in the end (delta: 274.4kB). 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 21:10:25,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/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_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/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_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/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 1b47128f3a13b8a14fa5679442cf3dce52b78403c71ab556b465499f91ebd451 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:10:27,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:10:27,981 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:10:28,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:10:28,055 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:10:28,056 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:10:28,057 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:10:28,057 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:10:28,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:10:28,058 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:10:28,058 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:10:28,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:10:28,058 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:10:28,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:10:28,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:10:28,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:10:28,060 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:10:28,060 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:10:28,060 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:10:28,061 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:10:28,061 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:10:28,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:10:28,061 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:10:28,061 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:10:28,061 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:10:28,061 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:10:28,061 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:10:28,061 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:10:28,062 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:10:28,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:10:28,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:10:28,062 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:10:28,062 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:10:28,062 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:10:28,062 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:10:28,062 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:10:28,062 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_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/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 -> 1b47128f3a13b8a14fa5679442cf3dce52b78403c71ab556b465499f91ebd451 [2024-11-13 21:10:28,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:10:28,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:10:28,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:10:28,361 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:10:28,362 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:10:28,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c Unable to find full path for "g++" [2024-11-13 21:10:30,341 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:10:30,597 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:10:30,607 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c [2024-11-13 21:10:30,618 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/data/137435dd4/5cf2706f0d044e5f92e17831488d3c8d/FLAG18feda4bf [2024-11-13 21:10:30,931 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/data/137435dd4/5cf2706f0d044e5f92e17831488d3c8d [2024-11-13 21:10:30,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:10:30,934 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:10:30,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:10:30,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:10:30,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:10:30,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:10:30" (1/1) ... [2024-11-13 21:10:30,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d6693a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:30, skipping insertion in model container [2024-11-13 21:10:30,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:10:30" (1/1) ... [2024-11-13 21:10:30,954 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:10:31,100 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_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c[474,487] [2024-11-13 21:10:31,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:10:31,136 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:10:31,144 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_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c[474,487] [2024-11-13 21:10:31,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:10:31,167 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:10:31,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:31 WrapperNode [2024-11-13 21:10:31,168 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:10:31,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:10:31,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:10:31,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:10:31,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:31" (1/1) ... [2024-11-13 21:10:31,183 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:31" (1/1) ... [2024-11-13 21:10:31,197 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-13 21:10:31,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:10:31,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:10:31,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:10:31,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:10:31,209 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:31" (1/1) ... [2024-11-13 21:10:31,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:31" (1/1) ... [2024-11-13 21:10:31,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:31" (1/1) ... [2024-11-13 21:10:31,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:31" (1/1) ... [2024-11-13 21:10:31,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:31" (1/1) ... [2024-11-13 21:10:31,229 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:31" (1/1) ... [2024-11-13 21:10:31,234 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:31" (1/1) ... [2024-11-13 21:10:31,235 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:31" (1/1) ... [2024-11-13 21:10:31,237 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:10:31,238 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:10:31,238 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:10:31,238 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:10:31,242 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:10:31" (1/1) ... [2024-11-13 21:10:31,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:10:31,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:10:31,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:10:31,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:10:31,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:10:31,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:10:31,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:10:31,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:10:31,392 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:10:31,394 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:10:41,727 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-13 21:10:41,727 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:10:41,801 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:10:41,802 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:10:41,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:10:41 BoogieIcfgContainer [2024-11-13 21:10:41,802 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:10:41,803 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:10:41,804 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:10:41,817 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:10:41,818 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:10:41" (1/1) ... [2024-11-13 21:10:41,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:10:41,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:10:41,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 21:10:41,881 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 21:10:41,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:10:41,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:10:41,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:10:41,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:10:41,886 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:10:41,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:10:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:42,049 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:10:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:42,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:10:42,118 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:10:42,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:10:42,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:10:42,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:10:42,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-13 21:10:42,268 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-13 21:10:42,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:10:42,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:10:42,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:10:42,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:10:42,271 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:10:42,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd82a6be-e1cb-49d2-ae67-d8198cae68bf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:10:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:10:44,332 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:10:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat