./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/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_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/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_dfcb5844-ff48-4ed4-957a-f69fc189881a/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_dfcb5844-ff48-4ed4-957a-f69fc189881a/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 1b47128f3a13b8a14fa5679442cf3dce52b78403c71ab556b465499f91ebd451 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:17:55,220 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:17:55,277 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:17:55,282 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:17:55,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:17:55,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:17:55,303 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:17:55,304 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:17:55,304 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:17:55,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:17:55,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:17:55,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:17:55,304 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:17:55,305 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:17:55,305 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:17:55,305 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:17:55,305 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:17:55,305 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:17:55,305 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:17:55,305 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:17:55,305 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:17:55,305 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:17:55,305 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:17:55,305 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:17:55,305 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:17:55,306 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:17:55,306 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:17:55,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:17:55,306 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:17:55,306 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:17:55,306 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:17:55,306 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:17:55,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:17:55,306 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_dfcb5844-ff48-4ed4-957a-f69fc189881a/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 -> 1b47128f3a13b8a14fa5679442cf3dce52b78403c71ab556b465499f91ebd451 [2024-12-05 22:17:55,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:17:55,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:17:55,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:17:55,546 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:17:55,547 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:17:55,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c [2024-12-05 22:17:58,147 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/data/29c7b3f34/ec97399494d042428efe9013bf258875/FLAG17bebe578 [2024-12-05 22:17:58,364 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:17:58,364 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c [2024-12-05 22:17:58,371 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/data/29c7b3f34/ec97399494d042428efe9013bf258875/FLAG17bebe578 [2024-12-05 22:17:58,727 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/data/29c7b3f34/ec97399494d042428efe9013bf258875 [2024-12-05 22:17:58,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:17:58,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:17:58,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:17:58,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:17:58,736 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:17:58,736 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:17:58" (1/1) ... [2024-12-05 22:17:58,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec5912d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:58, skipping insertion in model container [2024-12-05 22:17:58,737 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:17:58" (1/1) ... [2024-12-05 22:17:58,749 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:17:58,865 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_dfcb5844-ff48-4ed4-957a-f69fc189881a/sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c[474,487] [2024-12-05 22:17:58,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:17:58,888 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:17:58,895 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_dfcb5844-ff48-4ed4-957a-f69fc189881a/sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c[474,487] [2024-12-05 22:17:58,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:17:58,912 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:17:58,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:58 WrapperNode [2024-12-05 22:17:58,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:17:58,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:17:58,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:17:58,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:17:58,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:58" (1/1) ... [2024-12-05 22:17:58,922 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:58" (1/1) ... [2024-12-05 22:17:58,933 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-12-05 22:17:58,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:17:58,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:17:58,934 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:17:58,934 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:17:58,939 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:58" (1/1) ... [2024-12-05 22:17:58,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:58" (1/1) ... [2024-12-05 22:17:58,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:58" (1/1) ... [2024-12-05 22:17:58,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:58" (1/1) ... [2024-12-05 22:17:58,943 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:58" (1/1) ... [2024-12-05 22:17:58,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:58" (1/1) ... [2024-12-05 22:17:58,946 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:58" (1/1) ... [2024-12-05 22:17:58,948 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:58" (1/1) ... [2024-12-05 22:17:58,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:58" (1/1) ... [2024-12-05 22:17:58,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:17:58,950 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:17:58,950 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:17:58,950 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:17:58,951 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:58" (1/1) ... [2024-12-05 22:17:58,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:17:58,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:17:58,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:17:58,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:17:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:17:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:17:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:17:58,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:17:59,046 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:17:59,047 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:17:59,123 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-12-05 22:17:59,123 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:17:59,157 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:17:59,157 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:17:59,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:17:59 BoogieIcfgContainer [2024-12-05 22:17:59,158 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:17:59,159 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:17:59,159 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:17:59,165 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:17:59,165 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:17:59" (1/1) ... [2024-12-05 22:17:59,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:17:59,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:59,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-05 22:17:59,207 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-05 22:17:59,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:17:59,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:59,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:59,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:17:59,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:59,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-12-05 22:17:59,312 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-12-05 22:17:59,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:17:59,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:59,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:17:59,340 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:17:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:17:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:17:59,394 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:17:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:17:59,417 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-05 22:17:59,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:17:59 ImpRootNode [2024-12-05 22:17:59,435 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:17:59,435 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:17:59,436 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:17:59,436 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:17:59,436 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:17:59" (3/4) ... [2024-12-05 22:17:59,438 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:17:59,439 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:17:59,440 INFO L158 Benchmark]: Toolchain (without parser) took 709.40ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 76.4MB in the end (delta: 41.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 22:17:59,440 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:17:59,441 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.50ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 106.1MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:17:59,441 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.15ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:17:59,442 INFO L158 Benchmark]: Boogie Preprocessor took 15.61ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 104.2MB in the end (delta: 640.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:17:59,442 INFO L158 Benchmark]: RCFGBuilder took 207.75ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 92.0MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:17:59,442 INFO L158 Benchmark]: CodeCheck took 276.27ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 76.6MB in the end (delta: 15.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:17:59,443 INFO L158 Benchmark]: Witness Printer took 3.65ms. Allocated memory is still 142.6MB. Free memory was 76.6MB in the beginning and 76.4MB in the end (delta: 194.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:17:59,445 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: 0.2s, 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, ConComCheckerStatistics: 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] [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 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 181.50ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 106.1MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.15ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.61ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 104.2MB in the end (delta: 640.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 207.75ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 92.0MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 276.27ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 76.6MB in the end (delta: 15.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.65ms. Allocated memory is still 142.6MB. Free memory was 76.6MB in the beginning and 76.4MB in the end (delta: 194.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:17:59,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/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_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/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_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/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_dfcb5844-ff48-4ed4-957a-f69fc189881a/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_dfcb5844-ff48-4ed4-957a-f69fc189881a/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 1b47128f3a13b8a14fa5679442cf3dce52b78403c71ab556b465499f91ebd451 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:18:01,342 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:18:01,415 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 22:18:01,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:18:01,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:18:01,443 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:18:01,443 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:18:01,443 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:18:01,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:18:01,444 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:18:01,444 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:18:01,444 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:18:01,444 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:18:01,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:18:01,444 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:18:01,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:18:01,444 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:18:01,444 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:18:01,444 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:18:01,444 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:18:01,444 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:18:01,445 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:18:01,445 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:18:01,445 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:18:01,445 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:18:01,445 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:18:01,445 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:18:01,445 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:18:01,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:18:01,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:18:01,445 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:18:01,445 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:18:01,446 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:18:01,446 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:18:01,446 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:18:01,446 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:18:01,446 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_dfcb5844-ff48-4ed4-957a-f69fc189881a/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 -> 1b47128f3a13b8a14fa5679442cf3dce52b78403c71ab556b465499f91ebd451 [2024-12-05 22:18:01,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:18:01,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:18:01,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:18:01,688 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:18:01,688 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:18:01,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c [2024-12-05 22:18:04,331 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/data/7e932b70d/98f2c49d5ae84d7785ad33f8f9c65817/FLAG5a6525bbc [2024-12-05 22:18:04,530 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:18:04,530 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c [2024-12-05 22:18:04,537 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/data/7e932b70d/98f2c49d5ae84d7785ad33f8f9c65817/FLAG5a6525bbc [2024-12-05 22:18:04,892 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/data/7e932b70d/98f2c49d5ae84d7785ad33f8f9c65817 [2024-12-05 22:18:04,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:18:04,895 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:18:04,895 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:18:04,895 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:18:04,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:18:04,899 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:18:04" (1/1) ... [2024-12-05 22:18:04,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@674f4b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:04, skipping insertion in model container [2024-12-05 22:18:04,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:18:04" (1/1) ... [2024-12-05 22:18:04,910 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:18:05,020 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_dfcb5844-ff48-4ed4-957a-f69fc189881a/sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c[474,487] [2024-12-05 22:18:05,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:18:05,052 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:18:05,063 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_dfcb5844-ff48-4ed4-957a-f69fc189881a/sv-benchmarks/c/loop-floats-scientific-comp/loop2-1.c[474,487] [2024-12-05 22:18:05,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:18:05,083 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:18:05,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:05 WrapperNode [2024-12-05 22:18:05,084 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:18:05,084 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:18:05,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:18:05,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:18:05,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:05" (1/1) ... [2024-12-05 22:18:05,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:05" (1/1) ... [2024-12-05 22:18:05,109 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-12-05 22:18:05,110 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:18:05,110 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:18:05,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:18:05,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:18:05,115 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:05" (1/1) ... [2024-12-05 22:18:05,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:05" (1/1) ... [2024-12-05 22:18:05,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:05" (1/1) ... [2024-12-05 22:18:05,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:05" (1/1) ... [2024-12-05 22:18:05,123 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:05" (1/1) ... [2024-12-05 22:18:05,123 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:05" (1/1) ... [2024-12-05 22:18:05,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:05" (1/1) ... [2024-12-05 22:18:05,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:05" (1/1) ... [2024-12-05 22:18:05,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:05" (1/1) ... [2024-12-05 22:18:05,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:18:05,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:18:05,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:18:05,130 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:18:05,131 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:05" (1/1) ... [2024-12-05 22:18:05,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:18:05,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:18:05,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:18:05,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:18:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:18:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:18:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:18:05,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:18:05,230 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:18:05,231 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:18:15,464 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-05 22:18:15,464 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:18:15,501 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:18:15,501 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:18:15,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:18:15 BoogieIcfgContainer [2024-12-05 22:18:15,502 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:18:15,502 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:18:15,503 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:18:15,512 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:18:15,512 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:18:15" (1/1) ... [2024-12-05 22:18:15,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:18:15,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:18:15,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-05 22:18:15,564 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-05 22:18:15,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:18:15,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:18:15,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:18:15,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:18:15,569 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:18:15,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:18:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:15,686 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:18:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:15,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-05 22:18:15,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:18:15,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:18:15,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:18:15,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:18:15,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-12-05 22:18:15,881 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-12-05 22:18:15,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:18:15,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:18:15,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:18:15,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:18:15,883 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:18:15,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfcb5844-ff48-4ed4-957a-f69fc189881a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:18:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:18:17,571 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:18:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat