./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/log_4_safe.c-amalgamation.i --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_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/log_4_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3 --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 191893af89e745e65c72b504e763dfd908536e4c3bc0a58c22606428a6927de5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:08:05,017 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:08:05,109 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:08:05,116 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:08:05,116 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:08:05,148 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:08:05,151 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:08:05,152 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:08:05,152 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:08:05,153 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:08:05,153 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:08:05,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:08:05,155 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:08:05,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:08:05,155 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:08:05,155 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:08:05,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:08:05,156 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:08:05,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:08:05,157 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:08:05,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:08:05,158 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:08:05,158 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:08:05,158 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:08:05,158 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:08:05,159 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:08:05,159 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:08:05,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:08:05,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:08:05,159 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:08:05,160 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:08:05,160 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:08:05,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:08:05,160 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_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3 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 -> 191893af89e745e65c72b504e763dfd908536e4c3bc0a58c22606428a6927de5 [2024-11-25 02:08:05,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:08:05,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:08:05,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:08:05,648 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:08:05,649 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:08:05,650 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/neural-networks/log_4_safe.c-amalgamation.i [2024-11-25 02:08:08,665 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/data/6eba4c022/3c2cd96886e3430085f03209ac367342/FLAG38969ae4a [2024-11-25 02:08:09,064 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:08:09,065 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/sv-benchmarks/c/neural-networks/log_4_safe.c-amalgamation.i [2024-11-25 02:08:09,093 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/data/6eba4c022/3c2cd96886e3430085f03209ac367342/FLAG38969ae4a [2024-11-25 02:08:09,114 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/data/6eba4c022/3c2cd96886e3430085f03209ac367342 [2024-11-25 02:08:09,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:08:09,119 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:08:09,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:08:09,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:08:09,126 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:08:09,127 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:08:09" (1/1) ... [2024-11-25 02:08:09,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d069181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:09, skipping insertion in model container [2024-11-25 02:08:09,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:08:09" (1/1) ... [2024-11-25 02:08:09,198 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:08:10,163 WARN L1675 CHandler]: Possible shadowing of function y1 [2024-11-25 02:08:10,168 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/sv-benchmarks/c/neural-networks/log_4_safe.c-amalgamation.i[63189,63202] [2024-11-25 02:08:10,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:08:10,179 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:08:10,233 WARN L1675 CHandler]: Possible shadowing of function y1 [2024-11-25 02:08:10,234 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_f5acc568-00a7-4368-ae13-651860e7f5a5/sv-benchmarks/c/neural-networks/log_4_safe.c-amalgamation.i[63189,63202] [2024-11-25 02:08:10,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:08:10,392 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:08:10,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:10 WrapperNode [2024-11-25 02:08:10,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:08:10,394 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:08:10,394 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:08:10,394 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:08:10,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:10" (1/1) ... [2024-11-25 02:08:10,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:10" (1/1) ... [2024-11-25 02:08:10,440 INFO L138 Inliner]: procedures = 557, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2024-11-25 02:08:10,440 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:08:10,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:08:10,441 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:08:10,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:08:10,448 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:10" (1/1) ... [2024-11-25 02:08:10,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:10" (1/1) ... [2024-11-25 02:08:10,451 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:10" (1/1) ... [2024-11-25 02:08:10,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:10" (1/1) ... [2024-11-25 02:08:10,456 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:10" (1/1) ... [2024-11-25 02:08:10,456 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:10" (1/1) ... [2024-11-25 02:08:10,458 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:10" (1/1) ... [2024-11-25 02:08:10,460 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:10" (1/1) ... [2024-11-25 02:08:10,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:10" (1/1) ... [2024-11-25 02:08:10,462 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:08:10,463 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:08:10,463 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:08:10,463 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:08:10,464 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:10" (1/1) ... [2024-11-25 02:08:10,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:08:10,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:08:10,500 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:08:10,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:08:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:08:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:08:10,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:08:10,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:08:10,639 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:08:10,641 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:08:10,744 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 02:08:10,744 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:08:10,796 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:08:10,796 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:08:10,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:08:10 BoogieIcfgContainer [2024-11-25 02:08:10,797 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:08:10,798 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:08:10,798 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:08:10,812 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:08:10,812 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:08:10" (1/1) ... [2024-11-25 02:08:10,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:08:10,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:08:10,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-25 02:08:10,889 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-25 02:08:10,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:08:10,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:08:10,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:08:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:08:10,995 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:08:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:08:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:08:11,052 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:08:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:08:11,081 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:08:11,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:08:11 ImpRootNode [2024-11-25 02:08:11,106 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:08:11,108 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:08:11,108 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:08:11,108 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:08:11,110 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:08:10" (3/4) ... [2024-11-25 02:08:11,113 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:08:11,114 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:08:11,115 INFO L158 Benchmark]: Toolchain (without parser) took 1996.26ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 82.6MB in the end (delta: 16.1MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-11-25 02:08:11,116 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:08:11,116 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1272.95ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 40.3MB in the end (delta: 58.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-25 02:08:11,116 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.57ms. Allocated memory is still 142.6MB. Free memory was 40.3MB in the beginning and 37.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:08:11,117 INFO L158 Benchmark]: Boogie Preprocessor took 21.23ms. Allocated memory is still 142.6MB. Free memory was 37.9MB in the beginning and 36.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:08:11,117 INFO L158 Benchmark]: RCFGBuilder took 334.21ms. Allocated memory is still 142.6MB. Free memory was 36.8MB in the beginning and 94.3MB in the end (delta: -57.4MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-11-25 02:08:11,118 INFO L158 Benchmark]: CodeCheck took 308.78ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 82.6MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:08:11,118 INFO L158 Benchmark]: Witness Printer took 6.32ms. Allocated memory is still 142.6MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:08:11,121 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 855]: 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 849, overapproximation of someBinaryFLOATComparisonOperation at line 855, overapproximation of someBinaryArithmeticFLOAToperation at line 848. Possible FailurePath: [L847] float x1 = __VERIFIER_nondet_float(); [L848] float x2 = x1 + 1e-2f; [L849] EXPR __builtin_isgreaterequal(x1, 0.0f) && !__builtin_isinf_sign (x1) [L849] EXPR __builtin_isgreaterequal(x1, 0.0f) && !__builtin_isinf_sign (x1) [L849] COND FALSE !(!(__builtin_isgreaterequal(x1, 0.0f) && !__builtin_isinf_sign (x1))) [L850] float y1 = logf(x1); [L851] float y2 = logf(x2); [L852] float derivative = (y2 - y1) / 1e-2f; [L853] float d2 = 1.0f / x2; [L854] float diff = derivative - d2; [L855] COND TRUE !(__builtin_isgreaterequal(diff, -1e-3f)) [L855] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1272.95ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 40.3MB in the end (delta: 58.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.57ms. Allocated memory is still 142.6MB. Free memory was 40.3MB in the beginning and 37.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.23ms. Allocated memory is still 142.6MB. Free memory was 37.9MB in the beginning and 36.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 334.21ms. Allocated memory is still 142.6MB. Free memory was 36.8MB in the beginning and 94.3MB in the end (delta: -57.4MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * CodeCheck took 308.78ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 82.6MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 6.32ms. Allocated memory is still 142.6MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:08:11,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/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_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/log_4_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3 --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 191893af89e745e65c72b504e763dfd908536e4c3bc0a58c22606428a6927de5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:08:13,957 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:08:14,058 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 02:08:14,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:08:14,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:08:14,134 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:08:14,135 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:08:14,135 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:08:14,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:08:14,135 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:08:14,136 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:08:14,136 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:08:14,136 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:08:14,136 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:08:14,136 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:08:14,136 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:08:14,137 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:08:14,137 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:08:14,137 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:08:14,140 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:08:14,140 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:08:14,140 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:08:14,141 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:08:14,141 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:08:14,141 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:08:14,141 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:08:14,141 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:08:14,141 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:08:14,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:08:14,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:08:14,141 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:08:14,141 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:08:14,141 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:08:14,142 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:08:14,142 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:08:14,142 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:08:14,142 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_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3 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 -> 191893af89e745e65c72b504e763dfd908536e4c3bc0a58c22606428a6927de5 [2024-11-25 02:08:14,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:08:14,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:08:14,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:08:14,476 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:08:14,477 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:08:14,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/neural-networks/log_4_safe.c-amalgamation.i [2024-11-25 02:08:17,369 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/data/94381330d/f855903c653d48748b2dc3fcedefd35a/FLAG20536bc4b [2024-11-25 02:08:17,785 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:08:17,786 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/sv-benchmarks/c/neural-networks/log_4_safe.c-amalgamation.i [2024-11-25 02:08:17,806 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/data/94381330d/f855903c653d48748b2dc3fcedefd35a/FLAG20536bc4b [2024-11-25 02:08:17,957 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/data/94381330d/f855903c653d48748b2dc3fcedefd35a [2024-11-25 02:08:17,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:08:17,962 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:08:17,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:08:17,964 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:08:17,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:08:17,971 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:08:17" (1/1) ... [2024-11-25 02:08:17,972 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d2a78e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:17, skipping insertion in model container [2024-11-25 02:08:17,972 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:08:17" (1/1) ... [2024-11-25 02:08:18,020 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:08:18,969 WARN L1675 CHandler]: Possible shadowing of function y1 [2024-11-25 02:08:18,976 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_f5acc568-00a7-4368-ae13-651860e7f5a5/sv-benchmarks/c/neural-networks/log_4_safe.c-amalgamation.i[63189,63202] [2024-11-25 02:08:18,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:08:18,998 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:08:19,085 WARN L1675 CHandler]: Possible shadowing of function y1 [2024-11-25 02:08:19,086 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_f5acc568-00a7-4368-ae13-651860e7f5a5/sv-benchmarks/c/neural-networks/log_4_safe.c-amalgamation.i[63189,63202] [2024-11-25 02:08:19,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:08:19,367 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:08:19,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:19 WrapperNode [2024-11-25 02:08:19,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:08:19,371 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:08:19,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:08:19,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:08:19,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:19" (1/1) ... [2024-11-25 02:08:19,427 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:19" (1/1) ... [2024-11-25 02:08:19,468 INFO L138 Inliner]: procedures = 558, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2024-11-25 02:08:19,471 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:08:19,472 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:08:19,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:08:19,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:08:19,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:19" (1/1) ... [2024-11-25 02:08:19,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:19" (1/1) ... [2024-11-25 02:08:19,485 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:19" (1/1) ... [2024-11-25 02:08:19,485 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:19" (1/1) ... [2024-11-25 02:08:19,500 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:19" (1/1) ... [2024-11-25 02:08:19,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:19" (1/1) ... [2024-11-25 02:08:19,512 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:19" (1/1) ... [2024-11-25 02:08:19,514 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:19" (1/1) ... [2024-11-25 02:08:19,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:19" (1/1) ... [2024-11-25 02:08:19,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:08:19,529 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:08:19,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:08:19,530 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:08:19,531 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:08:19" (1/1) ... [2024-11-25 02:08:19,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:08:19,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:08:19,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:08:19,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:08:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:08:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:08:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:08:19,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:08:19,779 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:08:19,782 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:08:30,025 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-25 02:08:30,025 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:08:30,133 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:08:30,133 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:08:30,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:08:30 BoogieIcfgContainer [2024-11-25 02:08:30,134 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:08:30,135 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:08:30,135 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:08:30,145 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:08:30,145 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:08:30" (1/1) ... [2024-11-25 02:08:30,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:08:30,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:08:30,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-25 02:08:30,207 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-25 02:08:30,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:08:30,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:08:30,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:08:30,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:08:30,212 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:08:30,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5acc568-00a7-4368-ae13-651860e7f5a5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:08:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:08:31,436 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:08:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat