./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i --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_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/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_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/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_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/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 36ccf69d5a7fb19db9547688a228e583ee914ce0b845ee5e25d22de5b819d273 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:52,360 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:52,436 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:17:52,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:17:52,441 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:17:52,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:52,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:52,466 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:52,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:52,467 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:52,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:52,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:52,469 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:17:52,469 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:17:52,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:17:52,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:52,470 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:52,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:52,470 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:52,470 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:52,470 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:17:52,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:52,471 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:52,471 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:52,471 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:52,471 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:52,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:52,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:52,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:52,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:52,472 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:52,472 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:17:52,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:17:52,473 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_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/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 -> 36ccf69d5a7fb19db9547688a228e583ee914ce0b845ee5e25d22de5b819d273 [2024-11-13 20:17:52,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:52,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:52,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:52,791 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:52,792 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:52,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-13 20:17:54,764 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:55,252 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:55,253 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i [2024-11-13 20:17:55,281 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/bin/ukojak-verify-EEHR8qb7sm/data/53f73ebc5/0c1d5185474441a98406c4ad91105de1/FLAG713ce329c [2024-11-13 20:17:55,304 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/bin/ukojak-verify-EEHR8qb7sm/data/53f73ebc5/0c1d5185474441a98406c4ad91105de1 [2024-11-13 20:17:55,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:55,310 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:55,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:55,312 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:55,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:55,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:55" (1/1) ... [2024-11-13 20:17:55,319 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@746c2bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:55, skipping insertion in model container [2024-11-13 20:17:55,320 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:55" (1/1) ... [2024-11-13 20:17:55,369 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:56,338 WARN L1684 CHandler]: Possible shadowing of function y1 [2024-11-13 20:17:56,341 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_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i[63057,63070] [2024-11-13 20:17:56,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:56,353 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:56,398 WARN L1684 CHandler]: Possible shadowing of function y1 [2024-11-13 20:17:56,398 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_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i[63057,63070] [2024-11-13 20:17:56,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:56,590 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:56,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56 WrapperNode [2024-11-13 20:17:56,591 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:56,591 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:56,592 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:56,592 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:56,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,654 INFO L138 Inliner]: procedures = 557, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-11-13 20:17:56,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:56,654 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:56,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:56,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:56,661 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,663 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,666 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,668 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,669 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,670 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:56,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:56,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:56,671 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:56,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:56,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:56,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:56,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:56,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:56,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:56,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:56,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:17:56,854 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:56,856 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:56,917 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:56,917 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:56,954 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:56,954 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:17:56,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:56 BoogieIcfgContainer [2024-11-13 20:17:56,954 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:56,955 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:56,955 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:56,964 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:56,964 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:56" (1/1) ... [2024-11-13 20:17:56,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:57,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:57,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 20:17:57,016 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 20:17:57,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 20:17:57,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:57,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:57,096 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:57,144 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:57,157 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:17:57,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:17:57 ImpRootNode [2024-11-13 20:17:57,173 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:17:57,173 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:17:57,174 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:17:57,174 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:17:57,175 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:56" (3/4) ... [2024-11-13 20:17:57,177 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:17:57,178 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:17:57,181 INFO L158 Benchmark]: Toolchain (without parser) took 1869.12ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 85.3MB in the end (delta: 31.6MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2024-11-13 20:17:57,181 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:57,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1279.49ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 109.8MB in the end (delta: 6.9MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2024-11-13 20:17:57,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.59ms. Allocated memory is still 142.6MB. Free memory was 109.8MB in the beginning and 107.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:57,182 INFO L158 Benchmark]: Boogie Preprocessor took 15.90ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.4MB in the end (delta: 944.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:57,183 INFO L158 Benchmark]: RCFGBuilder took 283.58ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 96.3MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:57,183 INFO L158 Benchmark]: CodeCheck took 217.83ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 85.3MB in the end (delta: 10.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:57,184 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 142.6MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:57,190 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 - UnprovableResult [Line: 852]: 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 logf at line 850, overapproximation of someBinaryFLOATComparisonOperation at line 852, overapproximation of someBinaryFLOATComparisonOperation at line 849, overapproximation of someBinaryArithmeticFLOAToperation at line 848. Possible FailurePath: [L847] float x1 = __VERIFIER_nondet_float(); [L848] float x2 = x1 + 1e-5f; [L849] COND FALSE !(!(__builtin_isgreaterequal(x1, 0.0f))) [L850] float y1 = logf(x1); [L851] float y2 = logf(x2); [L852] COND TRUE !(__builtin_islessequal(y1, y2)) [L852] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1279.49ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 109.8MB in the end (delta: 6.9MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.59ms. Allocated memory is still 142.6MB. Free memory was 109.8MB in the beginning and 107.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.90ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.4MB in the end (delta: 944.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 283.58ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 96.3MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 217.83ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 85.3MB in the end (delta: 10.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 142.6MB. Free memory is still 85.3MB. 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 20:17:57,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/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_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/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_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/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 36ccf69d5a7fb19db9547688a228e583ee914ce0b845ee5e25d22de5b819d273 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:59,970 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:18:00,090 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:18:00,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:18:00,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:18:00,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:18:00,145 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:18:00,145 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:18:00,145 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:18:00,145 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:18:00,145 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:18:00,146 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:18:00,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:18:00,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:18:00,146 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:18:00,146 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:18:00,146 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:18:00,146 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:18:00,146 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:18:00,146 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:18:00,147 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:18:00,147 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:18:00,147 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:18:00,147 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:18:00,147 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:18:00,147 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:18:00,147 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:00,147 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:18:00,148 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:18:00,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:18:00,148 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:18:00,148 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:18:00,148 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:18:00,148 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:18:00,148 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:00,148 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:18:00,148 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_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/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 -> 36ccf69d5a7fb19db9547688a228e583ee914ce0b845ee5e25d22de5b819d273 [2024-11-13 20:18:00,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:18:00,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:18:00,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:18:00,488 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:18:00,488 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:18:00,490 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-13 20:18:02,426 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:18:02,888 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:18:02,891 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i [2024-11-13 20:18:02,919 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/bin/ukojak-verify-EEHR8qb7sm/data/87e4c7711/f5a7d82e7fcc41209d565f539f456831/FLAG8c3a68ac1 [2024-11-13 20:18:02,947 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/bin/ukojak-verify-EEHR8qb7sm/data/87e4c7711/f5a7d82e7fcc41209d565f539f456831 [2024-11-13 20:18:02,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:18:02,951 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:18:02,954 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:18:02,954 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:18:02,959 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:18:02,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:18:02" (1/1) ... [2024-11-13 20:18:02,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a45dfcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:02, skipping insertion in model container [2024-11-13 20:18:02,963 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:18:02" (1/1) ... [2024-11-13 20:18:03,012 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:18:03,910 WARN L1684 CHandler]: Possible shadowing of function y1 [2024-11-13 20:18:03,915 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_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i[63057,63070] [2024-11-13 20:18:03,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:18:03,939 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:18:04,002 WARN L1684 CHandler]: Possible shadowing of function y1 [2024-11-13 20:18:04,003 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_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i[63057,63070] [2024-11-13 20:18:04,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:18:04,192 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:18:04,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:04 WrapperNode [2024-11-13 20:18:04,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:18:04,193 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:18:04,193 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:18:04,194 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:18:04,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:04" (1/1) ... [2024-11-13 20:18:04,223 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:04" (1/1) ... [2024-11-13 20:18:04,243 INFO L138 Inliner]: procedures = 558, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2024-11-13 20:18:04,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:18:04,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:18:04,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:18:04,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:18:04,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:04" (1/1) ... [2024-11-13 20:18:04,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:04" (1/1) ... [2024-11-13 20:18:04,253 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:04" (1/1) ... [2024-11-13 20:18:04,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:04" (1/1) ... [2024-11-13 20:18:04,261 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:04" (1/1) ... [2024-11-13 20:18:04,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:04" (1/1) ... [2024-11-13 20:18:04,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:04" (1/1) ... [2024-11-13 20:18:04,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:04" (1/1) ... [2024-11-13 20:18:04,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:18:04,273 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:18:04,273 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:18:04,273 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:18:04,277 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:04" (1/1) ... [2024-11-13 20:18:04,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:18:04,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:18:04,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:18:04,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:18:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:18:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:18:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:18:04,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:18:04,439 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:18:04,441 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:18:04,557 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 20:18:04,557 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:18:04,614 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:18:04,614 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:18:04,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:04 BoogieIcfgContainer [2024-11-13 20:18:04,615 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:18:04,615 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:18:04,615 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:18:04,629 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:18:04,629 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:04" (1/1) ... [2024-11-13 20:18:04,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:18:04,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:04,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 20:18:04,695 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 20:18:04,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 20:18:04,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:04,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:04,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:04,704 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:04,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda8a5f-de0b-4a2a-9e33-9c4f343f61e4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:18:04,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:18:04,853 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:18:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat