./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-floats-scientific-comp/loop3.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_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/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_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/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_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/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 bd7fa6dfe7a0889f513bad4c7cfc96eb426f92168ff26ce4409068874579f6bc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:06:05,196 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:06:05,251 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:06:05,255 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:06:05,256 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:06:05,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:06:05,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:06:05,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:06:05,275 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:06:05,275 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:06:05,275 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:06:05,276 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:06:05,276 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:06:05,276 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:06:05,276 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:06:05,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:06:05,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:06:05,276 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:06:05,276 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:06:05,276 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:06:05,276 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:06:05,276 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:06:05,277 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:06:05,277 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:06:05,277 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:06:05,277 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:06:05,277 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:06:05,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:06:05,277 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:06:05,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:06:05,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:06:05,278 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:06:05,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:06:05,278 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_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/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 -> bd7fa6dfe7a0889f513bad4c7cfc96eb426f92168ff26ce4409068874579f6bc [2024-12-06 04:06:05,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:06:05,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:06:05,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:06:05,489 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:06:05,490 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:06:05,491 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loop-floats-scientific-comp/loop3.c [2024-12-06 04:06:08,113 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/data/919e31de9/2cac6b6328c74fbf97cf05f8577562b9/FLAG9323984ed [2024-12-06 04:06:08,318 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:06:08,319 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/sv-benchmarks/c/loop-floats-scientific-comp/loop3.c [2024-12-06 04:06:08,326 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/data/919e31de9/2cac6b6328c74fbf97cf05f8577562b9/FLAG9323984ed [2024-12-06 04:06:08,690 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/data/919e31de9/2cac6b6328c74fbf97cf05f8577562b9 [2024-12-06 04:06:08,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:06:08,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:06:08,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:06:08,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:06:08,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:06:08,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:06:08" (1/1) ... [2024-12-06 04:06:08,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63af4cd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:08, skipping insertion in model container [2024-12-06 04:06:08,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:06:08" (1/1) ... [2024-12-06 04:06:08,710 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:06:08,812 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_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/sv-benchmarks/c/loop-floats-scientific-comp/loop3.c[472,485] [2024-12-06 04:06:08,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:06:08,841 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:06:08,852 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_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/sv-benchmarks/c/loop-floats-scientific-comp/loop3.c[472,485] [2024-12-06 04:06:08,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:06:08,866 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:06:08,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:08 WrapperNode [2024-12-06 04:06:08,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:06:08,867 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:06:08,867 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:06:08,867 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:06:08,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:08" (1/1) ... [2024-12-06 04:06:08,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:08" (1/1) ... [2024-12-06 04:06:08,886 INFO L138 Inliner]: procedures = 15, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-12-06 04:06:08,887 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:06:08,887 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:06:08,887 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:06:08,887 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:06:08,893 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:08" (1/1) ... [2024-12-06 04:06:08,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:08" (1/1) ... [2024-12-06 04:06:08,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:08" (1/1) ... [2024-12-06 04:06:08,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:08" (1/1) ... [2024-12-06 04:06:08,898 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:08" (1/1) ... [2024-12-06 04:06:08,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:08" (1/1) ... [2024-12-06 04:06:08,902 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:08" (1/1) ... [2024-12-06 04:06:08,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:08" (1/1) ... [2024-12-06 04:06:08,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:08" (1/1) ... [2024-12-06 04:06:08,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:06:08,905 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:06:08,905 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:06:08,905 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:06:08,906 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:08" (1/1) ... [2024-12-06 04:06:08,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:06:08,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:06:08,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:06:08,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:06:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:06:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:06:08,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:06:08,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:06:09,006 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:06:09,008 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:06:09,093 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-12-06 04:06:09,093 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:06:09,133 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:06:09,133 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 04:06:09,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:06:09 BoogieIcfgContainer [2024-12-06 04:06:09,133 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:06:09,134 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:06:09,134 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:06:09,141 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:06:09,141 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:06:09" (1/1) ... [2024-12-06 04:06:09,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:06:09,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:06:09,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 04:06:09,183 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 04:06:09,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 04:06:09,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:06:09,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:06:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:06:09,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:06:09,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:06:09,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-12-06 04:06:09,297 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-12-06 04:06:09,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:06:09,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:06:09,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:06:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:06:09,331 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:06:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:06:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:06:09,392 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:06:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:06:09,416 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 04:06:09,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:06:09 ImpRootNode [2024-12-06 04:06:09,430 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:06:09,430 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:06:09,430 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:06:09,431 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:06:09,431 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:06:09" (3/4) ... [2024-12-06 04:06:09,432 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 04:06:09,433 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:06:09,434 INFO L158 Benchmark]: Toolchain (without parser) took 740.43ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 74.3MB in the end (delta: 43.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 04:06:09,434 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:06:09,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 172.24ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 106.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:06:09,434 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.72ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:06:09,435 INFO L158 Benchmark]: Boogie Preprocessor took 17.54ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.9MB in the end (delta: 801.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:06:09,435 INFO L158 Benchmark]: RCFGBuilder took 228.05ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 91.1MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:06:09,435 INFO L158 Benchmark]: CodeCheck took 296.08ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 74.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:06:09,435 INFO L158 Benchmark]: Witness Printer took 2.58ms. Allocated memory is still 142.6MB. Free memory was 74.6MB in the beginning and 74.3MB in the end (delta: 268.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:06:09,437 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: 0.3s, 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: 13]: 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 24, overapproximation of someBinaryFLOATComparisonOperation at line 51, overapproximation of to_real at line 22, overapproximation of someBinaryArithmeticFLOAToperation at line 34, overapproximation of someBinaryArithmeticFLOAToperation at line 23. Possible FailurePath: [L15] float pi = 3.14159 ; [L21] float x = __VERIFIER_nondet_float() ; [L22] float octant1 = 0 ; [L23] float octant2 = pi/8 ; [L24] CALL assume_abort_if_not(x > octant1 && x < octant2) [L11] COND FALSE !(!cond) [L24] RET assume_abort_if_not(x > octant1 && x < octant2) [L25] float oddExp = x ; [L26] float evenExp = 1.0 ; [L27] float term = x ; [L28] unsigned int count = 2 ; [L29] int multFactor = 0 ; [L30] int temp ; VAL [count=2, pi=314159/100000] [L34] term = term * (x/count) [L35] multFactor = (count>>1 % 2 == 0) ? 1 : -1 [L37] evenExp = evenExp + multFactor*term [L39] count++ [L41] term = term * (x/count) [L43] oddExp = oddExp + multFactor*term [L45] count++ [L47] temp = __VERIFIER_nondet_int() [L48] COND TRUE temp == 0 VAL [count=4, pi=314159/100000] [L51] CALL __VERIFIER_assert( evenExp >= oddExp ) [L13] COND TRUE !(cond) VAL [pi=314159/100000] [L13] reach_error() VAL [pi=314159/100000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 172.24ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 106.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.72ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.54ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.9MB in the end (delta: 801.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 228.05ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 91.1MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 296.08ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 74.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 2.58ms. Allocated memory is still 142.6MB. Free memory was 74.6MB in the beginning and 74.3MB in the end (delta: 268.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 04:06:09,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/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_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/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_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/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_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/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 bd7fa6dfe7a0889f513bad4c7cfc96eb426f92168ff26ce4409068874579f6bc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:06:11,368 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:06:11,446 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 04:06:11,472 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:06:11,473 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:06:11,473 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:06:11,473 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:06:11,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:06:11,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:06:11,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:06:11,474 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:06:11,474 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:06:11,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:06:11,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:06:11,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:06:11,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:06:11,474 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:06:11,474 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:06:11,474 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:06:11,474 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:06:11,474 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:06:11,474 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:06:11,475 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:06:11,475 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:06:11,475 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:06:11,475 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:06:11,475 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:06:11,475 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:06:11,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:06:11,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:06:11,475 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:06:11,475 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:06:11,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:06:11,476 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:06:11,476 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:06:11,476 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:06:11,476 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_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/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 -> bd7fa6dfe7a0889f513bad4c7cfc96eb426f92168ff26ce4409068874579f6bc [2024-12-06 04:06:11,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:06:11,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:06:11,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:06:11,722 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:06:11,723 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:06:11,724 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loop-floats-scientific-comp/loop3.c [2024-12-06 04:06:14,405 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/data/f1b81f750/48a5ec8a2a8a422d94fa1b1c83ba2f70/FLAGc1271a120 [2024-12-06 04:06:14,571 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:06:14,572 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/sv-benchmarks/c/loop-floats-scientific-comp/loop3.c [2024-12-06 04:06:14,579 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/data/f1b81f750/48a5ec8a2a8a422d94fa1b1c83ba2f70/FLAGc1271a120 [2024-12-06 04:06:14,593 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/data/f1b81f750/48a5ec8a2a8a422d94fa1b1c83ba2f70 [2024-12-06 04:06:14,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:06:14,597 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:06:14,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:06:14,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:06:14,602 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:06:14,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:06:14" (1/1) ... [2024-12-06 04:06:14,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d9f4298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:14, skipping insertion in model container [2024-12-06 04:06:14,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:06:14" (1/1) ... [2024-12-06 04:06:14,617 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:06:14,744 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_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/sv-benchmarks/c/loop-floats-scientific-comp/loop3.c[472,485] [2024-12-06 04:06:14,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:06:14,774 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:06:14,784 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_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/sv-benchmarks/c/loop-floats-scientific-comp/loop3.c[472,485] [2024-12-06 04:06:14,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:06:14,804 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:06:14,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:14 WrapperNode [2024-12-06 04:06:14,805 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:06:14,805 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:06:14,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:06:14,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:06:14,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:14" (1/1) ... [2024-12-06 04:06:14,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:14" (1/1) ... [2024-12-06 04:06:14,834 INFO L138 Inliner]: procedures = 16, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-12-06 04:06:14,834 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:06:14,835 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:06:14,835 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:06:14,835 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:06:14,842 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:14" (1/1) ... [2024-12-06 04:06:14,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:14" (1/1) ... [2024-12-06 04:06:14,845 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:14" (1/1) ... [2024-12-06 04:06:14,845 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:14" (1/1) ... [2024-12-06 04:06:14,851 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:14" (1/1) ... [2024-12-06 04:06:14,851 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:14" (1/1) ... [2024-12-06 04:06:14,854 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:14" (1/1) ... [2024-12-06 04:06:14,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:14" (1/1) ... [2024-12-06 04:06:14,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:14" (1/1) ... [2024-12-06 04:06:14,859 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:06:14,860 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:06:14,860 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:06:14,860 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:06:14,861 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:06:14" (1/1) ... [2024-12-06 04:06:14,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:06:14,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:06:14,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:06:14,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:06:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:06:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:06:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:06:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:06:14,965 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:06:14,967 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:06:25,194 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-12-06 04:06:25,194 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:06:25,249 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:06:25,250 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 04:06:25,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:06:25 BoogieIcfgContainer [2024-12-06 04:06:25,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:06:25,250 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:06:25,251 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:06:25,258 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:06:25,262 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:06:25" (1/1) ... [2024-12-06 04:06:25,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:06:25,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:06:25,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 04:06:25,300 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 04:06:25,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 04:06:25,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:06:25,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:06:25,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:06:25,304 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:06:25,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:06:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:06:25,405 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:06:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:06:25,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 04:06:25,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:06:25,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:06:25,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:06:25,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:06:25,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-12-06 04:06:25,532 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-12-06 04:06:25,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:06:25,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:06:25,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:06:25,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:06:25,534 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:06:25,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:06:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:06:27,196 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:06:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:06:37,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 04:06:37,528 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 04:06:37,531 INFO L158 Benchmark]: Toolchain (without parser) took 22934.22ms. Allocated memory is still 92.3MB. Free memory was 69.2MB in the beginning and 56.3MB in the end (delta: 12.9MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-12-06 04:06:37,531 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:06:37,532 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.88ms. Allocated memory is still 92.3MB. Free memory was 69.0MB in the beginning and 57.0MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:06:37,532 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.98ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 55.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:06:37,532 INFO L158 Benchmark]: Boogie Preprocessor took 24.53ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 54.6MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:06:37,533 INFO L158 Benchmark]: RCFGBuilder took 10389.78ms. Allocated memory is still 92.3MB. Free memory was 54.6MB in the beginning and 39.5MB in the end (delta: 15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:06:37,533 INFO L158 Benchmark]: CodeCheck took 12279.78ms. Allocated memory is still 92.3MB. Free memory was 39.4MB in the beginning and 56.3MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:06:37,535 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.88ms. Allocated memory is still 92.3MB. Free memory was 69.0MB in the beginning and 57.0MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.98ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 55.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.53ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 54.6MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 10389.78ms. Allocated memory is still 92.3MB. Free memory was 54.6MB in the beginning and 39.5MB in the end (delta: 15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 12279.78ms. Allocated memory is still 92.3MB. Free memory was 39.4MB in the beginning and 56.3MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 04:06:37,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4717b92-6f33-4c8a-bf0c-0ccb1c5ed3eb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown