./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/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_6ba280f8-055c-447c-85c1-3453b76a89ae/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/bin/ukojak-verify-ENZ3QT5qd3/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_6ba280f8-055c-447c-85c1-3453b76a89ae/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_6ba280f8-055c-447c-85c1-3453b76a89ae/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 36ccf69d5a7fb19db9547688a228e583ee914ce0b845ee5e25d22de5b819d273 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:58:31,981 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:58:32,072 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 01:58:32,082 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:58:32,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:58:32,113 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:58:32,113 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:58:32,114 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:58:32,114 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:58:32,114 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:58:32,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:58:32,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:58:32,114 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 01:58:32,114 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:58:32,116 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 01:58:32,116 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:58:32,116 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:58:32,117 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:58:32,118 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:58:32,118 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 01:58:32,118 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:58:32,118 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:58:32,118 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:58:32,119 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:58:32,119 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:58:32,119 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:58:32,119 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:58:32,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:32,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:58:32,120 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:58:32,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:58:32,120 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:58:32,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:58:32,121 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_6ba280f8-055c-447c-85c1-3453b76a89ae/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 -> 36ccf69d5a7fb19db9547688a228e583ee914ce0b845ee5e25d22de5b819d273 [2024-11-25 01:58:32,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:58:32,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:58:32,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:58:32,480 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:58:32,483 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:58:32,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i [2024-11-25 01:58:35,752 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/bin/ukojak-verify-ENZ3QT5qd3/data/6083dac5d/a733e0cb3c5b4a749927230825074d48/FLAG845869d76 [2024-11-25 01:58:36,119 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:58:36,120 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i [2024-11-25 01:58:36,153 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/bin/ukojak-verify-ENZ3QT5qd3/data/6083dac5d/a733e0cb3c5b4a749927230825074d48/FLAG845869d76 [2024-11-25 01:58:36,326 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/bin/ukojak-verify-ENZ3QT5qd3/data/6083dac5d/a733e0cb3c5b4a749927230825074d48 [2024-11-25 01:58:36,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:58:36,330 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:58:36,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:36,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:58:36,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:58:36,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:36" (1/1) ... [2024-11-25 01:58:36,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:36, skipping insertion in model container [2024-11-25 01:58:36,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:36" (1/1) ... [2024-11-25 01:58:36,392 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:58:37,053 WARN L1675 CHandler]: Possible shadowing of function y1 [2024-11-25 01:58:37,059 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_6ba280f8-055c-447c-85c1-3453b76a89ae/sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i[63057,63070] [2024-11-25 01:58:37,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:37,076 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:58:37,123 WARN L1675 CHandler]: Possible shadowing of function y1 [2024-11-25 01:58:37,123 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_6ba280f8-055c-447c-85c1-3453b76a89ae/sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i[63057,63070] [2024-11-25 01:58:37,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:37,277 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:58:37,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:37 WrapperNode [2024-11-25 01:58:37,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:37,279 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:37,279 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:58:37,279 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:58:37,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:37" (1/1) ... [2024-11-25 01:58:37,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:37" (1/1) ... [2024-11-25 01:58:37,323 INFO L138 Inliner]: procedures = 557, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-11-25 01:58:37,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:37,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:58:37,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:58:37,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:58:37,330 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:37" (1/1) ... [2024-11-25 01:58:37,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:37" (1/1) ... [2024-11-25 01:58:37,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:37" (1/1) ... [2024-11-25 01:58:37,333 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:37" (1/1) ... [2024-11-25 01:58:37,337 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:37" (1/1) ... [2024-11-25 01:58:37,337 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:37" (1/1) ... [2024-11-25 01:58:37,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:37" (1/1) ... [2024-11-25 01:58:37,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:37" (1/1) ... [2024-11-25 01:58:37,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:37" (1/1) ... [2024-11-25 01:58:37,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:58:37,343 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:58:37,343 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:58:37,343 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:58:37,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:37" (1/1) ... [2024-11-25 01:58:37,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:37,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:58:37,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:58:37,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:58:37,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:58:37,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:58:37,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:58:37,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 01:58:37,494 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:58:37,496 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:58:37,563 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-25 01:58:37,563 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:58:37,603 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:58:37,603 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 01:58:37,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:37 BoogieIcfgContainer [2024-11-25 01:58:37,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:58:37,605 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:58:37,605 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:58:37,615 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:58:37,615 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:37" (1/1) ... [2024-11-25 01:58:37,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:58:37,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:37,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-25 01:58:37,686 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-25 01:58:37,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 01:58:37,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:37,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:37,780 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:58:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:37,865 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:58:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:37,884 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 01:58:37,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 01:58:37 ImpRootNode [2024-11-25 01:58:37,909 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 01:58:37,911 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 01:58:37,912 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 01:58:37,912 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 01:58:37,913 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:37" (3/4) ... [2024-11-25 01:58:37,918 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 01:58:37,919 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 01:58:37,923 INFO L158 Benchmark]: Toolchain (without parser) took 1589.56ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 63.1MB in the end (delta: 26.8MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2024-11-25 01:58:37,923 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:37,924 INFO L158 Benchmark]: CACSL2BoogieTranslator took 946.31ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 87.4MB in the end (delta: 2.3MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. [2024-11-25 01:58:37,924 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.33ms. Allocated memory is still 117.4MB. Free memory was 87.4MB in the beginning and 84.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:37,924 INFO L158 Benchmark]: Boogie Preprocessor took 18.84ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 84.3MB in the end (delta: 596.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:37,925 INFO L158 Benchmark]: RCFGBuilder took 261.03ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 73.9MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:58:37,925 INFO L158 Benchmark]: CodeCheck took 304.66ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 63.1MB in the end (delta: 10.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 01:58:37,925 INFO L158 Benchmark]: Witness Printer took 8.08ms. Allocated memory is still 117.4MB. Free memory is still 63.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:37,930 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: 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 849, overapproximation of someBinaryFLOATComparisonOperation at line 852, 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 0.44ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 946.31ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 87.4MB in the end (delta: 2.3MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.33ms. Allocated memory is still 117.4MB. Free memory was 87.4MB in the beginning and 84.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.84ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 84.3MB in the end (delta: 596.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 261.03ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 73.9MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 304.66ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 63.1MB in the end (delta: 10.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 8.08ms. Allocated memory is still 117.4MB. Free memory is still 63.1MB. 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 01:58:37,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/bin/ukojak-verify-ENZ3QT5qd3/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_6ba280f8-055c-447c-85c1-3453b76a89ae/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/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_6ba280f8-055c-447c-85c1-3453b76a89ae/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/bin/ukojak-verify-ENZ3QT5qd3/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_6ba280f8-055c-447c-85c1-3453b76a89ae/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_6ba280f8-055c-447c-85c1-3453b76a89ae/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 36ccf69d5a7fb19db9547688a228e583ee914ce0b845ee5e25d22de5b819d273 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:58:40,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:58:40,920 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 01:58:40,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:58:40,964 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:58:40,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:58:40,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:58:40,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:58:40,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:58:40,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:58:40,967 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 01:58:40,968 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 01:58:40,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:58:40,968 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:58:40,968 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:58:40,968 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:58:40,968 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 01:58:40,969 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 01:58:40,969 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 01:58:40,969 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 01:58:40,969 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:58:40,970 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:58:40,970 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:58:40,970 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:58:40,970 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:58:40,970 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:58:40,970 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 01:58:40,971 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 01:58:40,971 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:58:40,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:40,971 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:58:40,972 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:58:40,972 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:58:40,973 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 01:58:40,973 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 01:58:40,973 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 01:58:40,973 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_6ba280f8-055c-447c-85c1-3453b76a89ae/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 -> 36ccf69d5a7fb19db9547688a228e583ee914ce0b845ee5e25d22de5b819d273 [2024-11-25 01:58:41,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:58:41,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:58:41,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:58:41,388 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:58:41,391 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:58:41,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i [2024-11-25 01:58:44,529 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/bin/ukojak-verify-ENZ3QT5qd3/data/4c12a9ca2/e491bea1e90b4f70b8c202ea536910bb/FLAG6506f7f94 [2024-11-25 01:58:44,877 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:58:44,888 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i [2024-11-25 01:58:44,912 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/bin/ukojak-verify-ENZ3QT5qd3/data/4c12a9ca2/e491bea1e90b4f70b8c202ea536910bb/FLAG6506f7f94 [2024-11-25 01:58:44,936 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/bin/ukojak-verify-ENZ3QT5qd3/data/4c12a9ca2/e491bea1e90b4f70b8c202ea536910bb [2024-11-25 01:58:44,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:58:44,941 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:58:44,942 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:44,943 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:58:44,948 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:58:44,949 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:44" (1/1) ... [2024-11-25 01:58:44,950 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fbcbccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:44, skipping insertion in model container [2024-11-25 01:58:44,950 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:44" (1/1) ... [2024-11-25 01:58:45,000 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:58:46,031 WARN L1675 CHandler]: Possible shadowing of function y1 [2024-11-25 01:58:46,035 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_6ba280f8-055c-447c-85c1-3453b76a89ae/sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i[63057,63070] [2024-11-25 01:58:46,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:46,051 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:58:46,105 WARN L1675 CHandler]: Possible shadowing of function y1 [2024-11-25 01:58:46,105 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/sv-benchmarks/c/neural-networks/log_2_safe.c-amalgamation.i[63057,63070] [2024-11-25 01:58:46,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:46,328 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:58:46,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:46 WrapperNode [2024-11-25 01:58:46,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:46,330 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:46,330 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:58:46,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:58:46,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:46" (1/1) ... [2024-11-25 01:58:46,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:46" (1/1) ... [2024-11-25 01:58:46,434 INFO L138 Inliner]: procedures = 558, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2024-11-25 01:58:46,434 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:46,435 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:58:46,435 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:58:46,435 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:58:46,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:46" (1/1) ... [2024-11-25 01:58:46,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:46" (1/1) ... [2024-11-25 01:58:46,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:46" (1/1) ... [2024-11-25 01:58:46,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:46" (1/1) ... [2024-11-25 01:58:46,457 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:46" (1/1) ... [2024-11-25 01:58:46,458 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:46" (1/1) ... [2024-11-25 01:58:46,460 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:46" (1/1) ... [2024-11-25 01:58:46,464 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:46" (1/1) ... [2024-11-25 01:58:46,465 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:46" (1/1) ... [2024-11-25 01:58:46,468 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:58:46,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:58:46,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:58:46,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:58:46,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:46" (1/1) ... [2024-11-25 01:58:46,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:46,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:58:46,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:58:46,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:58:46,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 01:58:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:58:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:58:46,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:58:46,687 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:58:46,689 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:58:46,887 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-25 01:58:46,887 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:58:46,964 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:58:46,964 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 01:58:46,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:46 BoogieIcfgContainer [2024-11-25 01:58:46,965 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:58:46,968 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:58:46,969 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:58:46,979 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:58:46,979 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:46" (1/1) ... [2024-11-25 01:58:46,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:58:47,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:47,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-25 01:58:47,048 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-25 01:58:47,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 01:58:47,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:47,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 01:58:47,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 01:58:47,055 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 01:58:47,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ba280f8-055c-447c-85c1-3453b76a89ae/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 01:58:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:47,211 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:58:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat