./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cc6c31757d65ac3409144284524de01d782484107762f8e5c588ca3f4aed3437 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:17:30,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:17:30,353 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:17:30,364 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:17:30,364 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:17:30,387 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:17:30,388 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:17:30,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:17:30,389 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:17:30,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:17:30,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:17:30,389 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:17:30,389 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:17:30,389 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:17:30,389 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:17:30,389 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:17:30,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:17:30,390 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:17:30,390 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:17:30,390 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:17:30,390 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:17:30,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:17:30,390 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:17:30,390 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:17:30,390 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:17:30,390 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:17:30,391 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:17:30,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:17:30,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:17:30,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:17:30,391 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:17:30,391 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:17:30,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:17:30,391 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_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc6c31757d65ac3409144284524de01d782484107762f8e5c588ca3f4aed3437 [2024-11-13 22:17:30,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:17:30,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:17:30,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:17:30,723 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:17:30,723 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:17:30,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c Unable to find full path for "g++" [2024-11-13 22:17:32,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:17:32,827 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:17:32,828 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c [2024-11-13 22:17:32,847 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/data/d8af6a851/6d620dfd24e94743817d52bee3608da1/FLAG21b0ac191 [2024-11-13 22:17:32,905 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/data/d8af6a851/6d620dfd24e94743817d52bee3608da1 [2024-11-13 22:17:32,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:17:32,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:17:32,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:17:32,918 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:17:32,928 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:17:32,932 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:17:32" (1/1) ... [2024-11-13 22:17:32,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5140dea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:32, skipping insertion in model container [2024-11-13 22:17:32,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:17:32" (1/1) ... [2024-11-13 22:17:32,952 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:17:33,110 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_c123a243-1a40-4b2d-87fb-fb0b026ce255/sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c[538,551] [2024-11-13 22:17:33,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:17:33,143 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:17:33,156 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_c123a243-1a40-4b2d-87fb-fb0b026ce255/sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c[538,551] [2024-11-13 22:17:33,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:17:33,182 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:17:33,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:33 WrapperNode [2024-11-13 22:17:33,183 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:17:33,184 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:17:33,184 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:17:33,184 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:17:33,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:33" (1/1) ... [2024-11-13 22:17:33,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:33" (1/1) ... [2024-11-13 22:17:33,218 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2024-11-13 22:17:33,218 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:17:33,219 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:17:33,219 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:17:33,219 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:17:33,225 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:33" (1/1) ... [2024-11-13 22:17:33,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:33" (1/1) ... [2024-11-13 22:17:33,227 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:33" (1/1) ... [2024-11-13 22:17:33,227 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:33" (1/1) ... [2024-11-13 22:17:33,234 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:33" (1/1) ... [2024-11-13 22:17:33,240 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:33" (1/1) ... [2024-11-13 22:17:33,241 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:33" (1/1) ... [2024-11-13 22:17:33,242 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:33" (1/1) ... [2024-11-13 22:17:33,243 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:17:33,244 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:17:33,244 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:17:33,244 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:17:33,245 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:33" (1/1) ... [2024-11-13 22:17:33,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:17:33,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:17:33,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:17:33,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:17:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:17:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:17:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:17:33,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:17:33,410 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:17:33,413 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:17:33,528 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 22:17:33,528 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:17:33,570 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:17:33,570 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:17:33,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:17:33 BoogieIcfgContainer [2024-11-13 22:17:33,571 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:17:33,575 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:17:33,575 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:17:33,588 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:17:33,589 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:17:33" (1/1) ... [2024-11-13 22:17:33,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:17:33,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:33,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 22:17:33,679 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 22:17:33,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:17:33,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:33,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:33,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:17:33,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:33,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-13 22:17:33,910 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-13 22:17:33,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:17:33,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:33,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:17:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:17:33,950 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:17:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:17:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:17:34,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:17:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:17:34,067 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 22:17:34,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:17:34 ImpRootNode [2024-11-13 22:17:34,094 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:17:34,095 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:17:34,095 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:17:34,096 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:17:34,097 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:17:33" (3/4) ... [2024-11-13 22:17:34,101 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:17:34,102 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:17:34,103 INFO L158 Benchmark]: Toolchain (without parser) took 1188.18ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 82.2MB in the end (delta: 37.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 22:17:34,103 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:17:34,104 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.23ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 108.1MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:17:34,104 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.36ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 107.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:17:34,105 INFO L158 Benchmark]: Boogie Preprocessor took 24.36ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.2MB in the end (delta: 765.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:17:34,105 INFO L158 Benchmark]: RCFGBuilder took 327.15ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 96.0MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:17:34,106 INFO L158 Benchmark]: CodeCheck took 519.97ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 82.4MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:17:34,106 INFO L158 Benchmark]: Witness Printer took 6.55ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 82.2MB in the end (delta: 255.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:17:34,110 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: 0.5s, 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 14]: 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 37, overapproximation of someBinaryArithmeticFLOAToperation at line 29, overapproximation of someBinaryArithmeticFLOAToperation at line 24. Possible FailurePath: [L20] float x = __VERIFIER_nondet_float() ; [L21] float exp = 1.0 ; [L22] float term = 1.0 ; [L23] unsigned int count = 1 ; [L24] float result = 2*(1/(1-x)) ; [L25] int temp ; VAL [count=1] [L27] COND TRUE 1 [L29] term = term * (x/count) [L30] exp = exp + term [L31] count++ [L33] temp = __VERIFIER_nondet_int() [L34] COND TRUE temp ==0 VAL [count=2] [L37] CALL __VERIFIER_assert( result >= exp ) [L14] COND TRUE !(cond) [L14] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.23ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 108.1MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.36ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 107.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.36ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.2MB in the end (delta: 765.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 327.15ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 96.0MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 519.97ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 82.4MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 6.55ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 82.2MB in the end (delta: 255.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:17:34,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cc6c31757d65ac3409144284524de01d782484107762f8e5c588ca3f4aed3437 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:17:36,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:17:36,926 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:17:36,961 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:17:36,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:17:36,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:17:36,962 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:17:36,962 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:17:36,963 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:17:36,963 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:17:36,963 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:17:36,963 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:17:36,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:17:36,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:17:36,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:17:36,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:17:36,963 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:17:36,963 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:17:36,964 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:17:36,964 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:17:36,964 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:17:36,964 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:17:36,964 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:17:36,964 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:17:36,964 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:17:36,964 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:17:36,964 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:17:36,964 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:17:36,965 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:17:36,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:17:36,965 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:17:36,965 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:17:36,965 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:17:36,965 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:17:36,965 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:17:36,965 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:17:36,965 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_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc6c31757d65ac3409144284524de01d782484107762f8e5c588ca3f4aed3437 [2024-11-13 22:17:37,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:17:37,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:17:37,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:17:37,319 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:17:37,319 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:17:37,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c Unable to find full path for "g++" [2024-11-13 22:17:39,474 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:17:39,743 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:17:39,748 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c [2024-11-13 22:17:39,774 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/data/f26f11ab3/acbc82b869224b51bfcc791a3760f5b6/FLAG9485e5460 [2024-11-13 22:17:39,804 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/data/f26f11ab3/acbc82b869224b51bfcc791a3760f5b6 [2024-11-13 22:17:39,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:17:39,811 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:17:39,813 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:17:39,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:17:39,819 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:17:39,820 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:17:39" (1/1) ... [2024-11-13 22:17:39,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18da3c24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:39, skipping insertion in model container [2024-11-13 22:17:39,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:17:39" (1/1) ... [2024-11-13 22:17:39,838 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:17:40,041 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_c123a243-1a40-4b2d-87fb-fb0b026ce255/sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c[538,551] [2024-11-13 22:17:40,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:17:40,090 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:17:40,105 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_c123a243-1a40-4b2d-87fb-fb0b026ce255/sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c[538,551] [2024-11-13 22:17:40,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:17:40,134 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:17:40,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:40 WrapperNode [2024-11-13 22:17:40,135 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:17:40,136 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:17:40,136 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:17:40,136 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:17:40,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:40" (1/1) ... [2024-11-13 22:17:40,155 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:40" (1/1) ... [2024-11-13 22:17:40,173 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2024-11-13 22:17:40,173 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:17:40,174 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:17:40,174 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:17:40,174 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:17:40,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:40" (1/1) ... [2024-11-13 22:17:40,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:40" (1/1) ... [2024-11-13 22:17:40,185 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:40" (1/1) ... [2024-11-13 22:17:40,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:40" (1/1) ... [2024-11-13 22:17:40,194 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:40" (1/1) ... [2024-11-13 22:17:40,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:40" (1/1) ... [2024-11-13 22:17:40,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:40" (1/1) ... [2024-11-13 22:17:40,201 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:40" (1/1) ... [2024-11-13 22:17:40,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:17:40,204 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:17:40,204 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:17:40,204 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:17:40,206 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:17:40" (1/1) ... [2024-11-13 22:17:40,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:17:40,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:17:40,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:17:40,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:17:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:17:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:17:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:17:40,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:17:40,397 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:17:40,399 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:17:51,831 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 22:17:51,832 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:17:51,868 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:17:51,869 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:17:51,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:17:51 BoogieIcfgContainer [2024-11-13 22:17:51,869 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:17:51,870 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:17:51,871 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:17:51,886 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:17:51,886 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:17:51" (1/1) ... [2024-11-13 22:17:51,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:17:51,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:51,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 22:17:51,978 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 22:17:51,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:17:51,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:51,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:17:51,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:17:51,988 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:17:51,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:17:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:52,175 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:17:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:52,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:17:52,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:17:52,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:17:52,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:17:55,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 22:17:55,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:55,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-13 22:17:55,699 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-13 22:17:55,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:17:55,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:55,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:17:55,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:17:55,704 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:17:55,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c123a243-1a40-4b2d-87fb-fb0b026ce255/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:17:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:17:56,793 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:17:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat