./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk --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 64bit --witnessprinter.graph.data.programhash 54eceae7382bc15f3f6868c637e60b7eb166af5d1c4b040a6f157b03b87c995c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:16:09,152 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:16:09,262 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 23:16:09,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:16:09,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:16:09,306 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:16:09,307 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:16:09,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:16:09,308 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:16:09,309 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:16:09,310 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:16:09,310 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:16:09,311 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:16:09,312 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:16:09,315 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:16:09,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:16:09,316 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:16:09,317 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:16:09,317 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:16:09,318 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:16:09,318 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:16:09,320 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:16:09,320 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:16:09,321 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:16:09,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:16:09,322 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:16:09,322 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:16:09,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:16:09,323 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:16:09,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:16:09,323 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54eceae7382bc15f3f6868c637e60b7eb166af5d1c4b040a6f157b03b87c995c [2024-11-08 23:16:09,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:16:09,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:16:09,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:16:09,703 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:16:09,705 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:16:09,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c Unable to find full path for "g++" [2024-11-08 23:16:11,844 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:16:12,071 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:16:12,071 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c [2024-11-08 23:16:12,081 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/data/c987f9dd9/d55839a65cd14242a73a87bf03ece7d8/FLAG6c8891e12 [2024-11-08 23:16:12,097 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/data/c987f9dd9/d55839a65cd14242a73a87bf03ece7d8 [2024-11-08 23:16:12,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:16:12,101 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:16:12,103 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:16:12,103 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:16:12,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:16:12,110 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:16:12" (1/1) ... [2024-11-08 23:16:12,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61bba269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:12, skipping insertion in model container [2024-11-08 23:16:12,111 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:16:12" (1/1) ... [2024-11-08 23:16:12,143 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:16:12,339 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_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c[1263,1276] [2024-11-08 23:16:12,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:16:12,443 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:16:12,454 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_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c[1263,1276] [2024-11-08 23:16:12,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:16:12,521 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:16:12,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:12 WrapperNode [2024-11-08 23:16:12,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:16:12,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:16:12,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:16:12,523 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:16:12,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:12" (1/1) ... [2024-11-08 23:16:12,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:12" (1/1) ... [2024-11-08 23:16:12,605 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 279 [2024-11-08 23:16:12,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:16:12,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:16:12,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:16:12,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:16:12,616 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:12" (1/1) ... [2024-11-08 23:16:12,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:12" (1/1) ... [2024-11-08 23:16:12,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:12" (1/1) ... [2024-11-08 23:16:12,623 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:12" (1/1) ... [2024-11-08 23:16:12,646 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:12" (1/1) ... [2024-11-08 23:16:12,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:12" (1/1) ... [2024-11-08 23:16:12,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:12" (1/1) ... [2024-11-08 23:16:12,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:12" (1/1) ... [2024-11-08 23:16:12,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:16:12,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:16:12,688 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:16:12,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:16:12,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:12" (1/1) ... [2024-11-08 23:16:12,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:16:12,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:16:12,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:16:12,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:16:12,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:16:12,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:16:12,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:16:12,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:16:12,975 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:16:12,977 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:16:13,582 INFO L? ?]: Removed 176 outVars from TransFormulas that were not future-live. [2024-11-08 23:16:13,583 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:16:13,953 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:16:13,953 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:16:13,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:16:13 BoogieIcfgContainer [2024-11-08 23:16:13,954 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:16:13,955 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:16:13,955 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:16:13,967 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:16:13,967 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:16:13" (1/1) ... [2024-11-08 23:16:13,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:16:14,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:14,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:16:14,050 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:16:14,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:16:14,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:14,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:16:14,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:16:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:16:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:16:14,390 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:16:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:16:14,480 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:16:14,508 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 23:16:14,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:16:14 ImpRootNode [2024-11-08 23:16:14,516 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:16:14,517 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:16:14,519 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:16:14,519 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:16:14,520 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:16:13" (3/4) ... [2024-11-08 23:16:14,522 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:16:14,524 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:16:14,526 INFO L158 Benchmark]: Toolchain (without parser) took 2424.04ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 103.2MB in the beginning and 91.9MB in the end (delta: 11.2MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2024-11-08 23:16:14,527 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 107.0MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:16:14,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.20ms. Allocated memory is still 138.4MB. Free memory was 102.5MB in the beginning and 85.0MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:16:14,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.66ms. Allocated memory is still 138.4MB. Free memory was 85.0MB in the beginning and 79.4MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 23:16:14,531 INFO L158 Benchmark]: Boogie Preprocessor took 81.29ms. Allocated memory is still 138.4MB. Free memory was 79.4MB in the beginning and 76.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:16:14,532 INFO L158 Benchmark]: RCFGBuilder took 1266.23ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 76.7MB in the beginning and 116.1MB in the end (delta: -39.4MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2024-11-08 23:16:14,533 INFO L158 Benchmark]: CodeCheck took 561.48ms. Allocated memory is still 172.0MB. Free memory was 116.1MB in the beginning and 91.9MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 23:16:14,533 INFO L158 Benchmark]: Witness Printer took 7.57ms. Allocated memory is still 172.0MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:16:14,539 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 4 NumberOfCodeBlocks, 4 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: 21]: 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 bitwiseAnd at line 65. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 8); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (8 - 1); [L32] const SORT_16 mask_SORT_16 = (SORT_16)-1 >> (sizeof(SORT_16) * 8 - 2); [L33] const SORT_16 msb_SORT_16 = (SORT_16)1 << (2 - 1); [L35] const SORT_44 mask_SORT_44 = (SORT_44)-1 >> (sizeof(SORT_44) * 8 - 32); [L36] const SORT_44 msb_SORT_44 = (SORT_44)1 << (32 - 1); [L38] const SORT_4 var_5 = 0; [L39] const SORT_4 var_8 = 255; [L40] const SORT_1 var_12 = 1; [L41] const SORT_16 var_17 = 0; [L42] const SORT_4 var_21 = 1; [L43] const SORT_4 var_23 = 63; [L44] const SORT_4 var_29 = 7; [L45] const SORT_16 var_35 = 2; [L46] const SORT_16 var_38 = 1; [L47] const SORT_44 var_45 = 0; [L48] const SORT_44 var_46 = 1; [L49] const SORT_44 var_52 = 2; [L51] SORT_1 input_2; [L52] SORT_1 input_3; [L54] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L54] SORT_4 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L55] EXPR __VERIFIER_nondet_uchar() & mask_SORT_16 [L55] SORT_16 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_16; [L57] SORT_4 init_7_arg_1 = var_5; [L58] state_6 = init_7_arg_1 [L59] SORT_16 init_19_arg_1 = var_17; [L60] state_18 = init_19_arg_1 VAL [mask_SORT_16=3, mask_SORT_1=1, mask_SORT_4=255, state_18=0, state_6=0, var_12=1, var_17=0, var_21=1, var_23=63, var_29=7, var_35=2, var_38=1, var_45=0, var_46=1, var_52=2, var_5=0, var_8=255] [L63] input_2 = __VERIFIER_nondet_uchar() [L64] input_3 = __VERIFIER_nondet_uchar() [L65] EXPR input_3 & mask_SORT_1 [L65] input_3 = input_3 & mask_SORT_1 [L68] SORT_4 var_9_arg_0 = state_6; [L69] SORT_4 var_9_arg_1 = var_8; [L70] SORT_1 var_9 = var_9_arg_0 != var_9_arg_1; [L71] SORT_1 var_13_arg_0 = var_9; [L72] SORT_1 var_13 = ~var_13_arg_0; [L73] SORT_1 var_14_arg_0 = var_12; [L74] SORT_1 var_14_arg_1 = var_13; [L75] EXPR var_14_arg_0 & var_14_arg_1 [L75] SORT_1 var_14 = var_14_arg_0 & var_14_arg_1; [L76] EXPR var_14 & mask_SORT_1 [L76] var_14 = var_14 & mask_SORT_1 [L77] SORT_1 bad_15_arg_0 = var_14; [L78] CALL __VERIFIER_assert(!(bad_15_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 107.0MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 419.20ms. Allocated memory is still 138.4MB. Free memory was 102.5MB in the beginning and 85.0MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.66ms. Allocated memory is still 138.4MB. Free memory was 85.0MB in the beginning and 79.4MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.29ms. Allocated memory is still 138.4MB. Free memory was 79.4MB in the beginning and 76.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1266.23ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 76.7MB in the beginning and 116.1MB in the end (delta: -39.4MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. * CodeCheck took 561.48ms. Allocated memory is still 172.0MB. Free memory was 116.1MB in the beginning and 91.9MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 7.57ms. Allocated memory is still 172.0MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:16:14,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk --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 64bit --witnessprinter.graph.data.programhash 54eceae7382bc15f3f6868c637e60b7eb166af5d1c4b040a6f157b03b87c995c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:16:17,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:16:17,136 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 23:16:17,183 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:16:17,184 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:16:17,184 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:16:17,185 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:16:17,186 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:16:17,186 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:16:17,187 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:16:17,187 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:16:17,188 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:16:17,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:16:17,188 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:16:17,188 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:16:17,189 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:16:17,192 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:16:17,193 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:16:17,193 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:16:17,193 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:16:17,194 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:16:17,197 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:16:17,198 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:16:17,198 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:17,198 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:16:17,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:16:17,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:16:17,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:16:17,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:16:17,200 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:16:17,200 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:16:17,200 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:17,200 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:16:17,201 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54eceae7382bc15f3f6868c637e60b7eb166af5d1c4b040a6f157b03b87c995c [2024-11-08 23:16:17,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:16:17,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:16:17,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:16:17,641 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:16:17,642 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:16:17,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c Unable to find full path for "g++" [2024-11-08 23:16:19,736 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:16:20,025 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:16:20,026 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c [2024-11-08 23:16:20,043 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/data/050151e6b/786be37d16a247e2aa69db97683d6c73/FLAG8706bc3a8 [2024-11-08 23:16:20,065 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/data/050151e6b/786be37d16a247e2aa69db97683d6c73 [2024-11-08 23:16:20,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:16:20,073 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:16:20,075 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:16:20,075 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:16:20,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:16:20,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:16:20" (1/1) ... [2024-11-08 23:16:20,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b234f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:20, skipping insertion in model container [2024-11-08 23:16:20,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:16:20" (1/1) ... [2024-11-08 23:16:20,128 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:16:20,375 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_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c[1263,1276] [2024-11-08 23:16:20,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:16:20,494 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:16:20,510 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_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_traffic_light_example.c[1263,1276] [2024-11-08 23:16:20,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:16:20,609 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:16:20,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:20 WrapperNode [2024-11-08 23:16:20,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:16:20,611 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:16:20,611 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:16:20,611 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:16:20,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:20" (1/1) ... [2024-11-08 23:16:20,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:20" (1/1) ... [2024-11-08 23:16:20,685 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 191 [2024-11-08 23:16:20,686 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:16:20,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:16:20,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:16:20,691 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:16:20,700 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:20" (1/1) ... [2024-11-08 23:16:20,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:20" (1/1) ... [2024-11-08 23:16:20,706 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:20" (1/1) ... [2024-11-08 23:16:20,707 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:20" (1/1) ... [2024-11-08 23:16:20,718 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:20" (1/1) ... [2024-11-08 23:16:20,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:20" (1/1) ... [2024-11-08 23:16:20,730 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:20" (1/1) ... [2024-11-08 23:16:20,736 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:20" (1/1) ... [2024-11-08 23:16:20,739 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:16:20,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:16:20,747 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:16:20,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:16:20,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:20" (1/1) ... [2024-11-08 23:16:20,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:16:20,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:16:20,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:16:20,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:16:20,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:16:20,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:16:20,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:16:20,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:16:20,947 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:16:20,950 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:16:21,338 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 23:16:21,339 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:16:21,382 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:16:21,382 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:16:21,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:16:21 BoogieIcfgContainer [2024-11-08 23:16:21,383 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:16:21,384 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:16:21,385 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:16:21,395 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:16:21,395 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:16:21" (1/1) ... [2024-11-08 23:16:21,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:16:21,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:21,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:16:21,453 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:16:21,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:16:21,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:21,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:21,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:21,458 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:21,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:16:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:21,612 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:21,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:16:21,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:21,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:21,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:16:21,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:21,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 23:16:21,980 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 23:16:21,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:16:21,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:21,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:21,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:21,986 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:21,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:16:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:22,164 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:22,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 23:16:22,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:23,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:23,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:24,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:24,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2024-11-08 23:16:24,165 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2024-11-08 23:16:24,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:16:24,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:24,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:24,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:24,170 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:24,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:16:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:24,396 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:24,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 23:16:24,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:27,398 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:16:27,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 23:16:29,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:29,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 19 states and 41 transitions. [2024-11-08 23:16:29,740 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 41 transitions. [2024-11-08 23:16:29,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:16:29,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:29,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:29,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:29,745 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:29,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:16:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:29,956 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:30,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 23:16:30,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:32,270 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:16:32,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 23:16:32,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:32,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 20 states and 44 transitions. [2024-11-08 23:16:32,602 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 44 transitions. [2024-11-08 23:16:32,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:16:32,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:32,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:32,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:32,610 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:32,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:16:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:32,895 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:32,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 23:16:32,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:35,051 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:16:35,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 23:16:36,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:36,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 9 states and 14 transitions. [2024-11-08 23:16:36,375 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 14 transitions. [2024-11-08 23:16:36,375 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:16:36,375 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-08 23:16:36,384 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 23:16:37,088 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-11-08 23:16:37,089 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (and (= (_ bv63 8) |ULTIMATE.start_main_~var_23~0#1|) (= (bvadd (_ bv1 8) |ULTIMATE.start_main_~var_8~0#1|) (_ bv0 8)) (not (= ((_ zero_extend 24) |ULTIMATE.start_main_~state_6~0#1|) (_ bv255 32))) (= (_ bv7 8) |ULTIMATE.start_main_~var_29~0#1|) (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|) (= (_ bv1 8) |ULTIMATE.start_main_~var_12~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~var_5~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~var_21~0#1|)) [2024-11-08 23:16:37,089 INFO L75 FloydHoareUtils]: For program point L21-1(line 21) no Hoare annotation was computed. [2024-11-08 23:16:37,089 INFO L77 FloydHoareUtils]: At program point L21-3(line 21) the Hoare annotation is: (and (= (_ bv63 8) |ULTIMATE.start_main_~var_23~0#1|) (= (bvadd (_ bv1 8) |ULTIMATE.start_main_~var_8~0#1|) (_ bv0 8)) (not (= ((_ zero_extend 24) |ULTIMATE.start_main_~state_6~0#1|) (_ bv255 32))) (= (_ bv7 8) |ULTIMATE.start_main_~var_29~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~var_12~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~var_5~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~var_21~0#1|)) [2024-11-08 23:16:37,089 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:16:37,089 INFO L77 FloydHoareUtils]: At program point L61-2(lines 61 202) the Hoare annotation is: (and (= (_ bv63 8) |ULTIMATE.start_main_~var_23~0#1|) (= (bvadd (_ bv1 8) |ULTIMATE.start_main_~var_8~0#1|) (_ bv0 8)) (not (= ((_ zero_extend 24) |ULTIMATE.start_main_~state_6~0#1|) (_ bv255 32))) (= (_ bv7 8) |ULTIMATE.start_main_~var_29~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~var_12~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~var_5~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~var_21~0#1|)) [2024-11-08 23:16:37,090 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2024-11-08 23:16:37,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:16:37 ImpRootNode [2024-11-08 23:16:37,104 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:16:37,104 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:16:37,105 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:16:37,105 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:16:37,106 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:16:21" (3/4) ... [2024-11-08 23:16:37,109 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:16:37,122 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-08 23:16:37,124 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 23:16:37,125 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 23:16:37,125 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:16:37,161 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:80) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:61) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:1) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GeneratedWitnessEdge.getSourceCode(GeneratedWitnessEdge.java:156) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLCorrectnessWitnessGenerator.lambda$2(GraphMLCorrectnessWitnessGenerator.java:91) at edu.uci.ics.jung.io.GraphMLWriter.writeEdgeData(GraphMLWriter.java:237) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.UltimateGraphMLWriter.save(UltimateGraphMLWriter.java:106) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLCorrectnessWitnessGenerator.makeGraphMLString(GraphMLCorrectnessWitnessGenerator.java:111) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateProofWitness(WitnessPrinter.java:168) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:143) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:130) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 23:16:37,164 INFO L158 Benchmark]: Toolchain (without parser) took 17093.29ms. Allocated memory was 77.6MB in the beginning and 434.1MB in the end (delta: 356.5MB). Free memory was 53.9MB in the beginning and 247.2MB in the end (delta: -193.4MB). Peak memory consumption was 163.1MB. Max. memory is 16.1GB. [2024-11-08 23:16:37,164 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 77.6MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:16:37,165 INFO L158 Benchmark]: CACSL2BoogieTranslator took 535.53ms. Allocated memory is still 77.6MB. Free memory was 53.6MB in the beginning and 36.3MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:16:37,165 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.80ms. Allocated memory is still 77.6MB. Free memory was 36.3MB in the beginning and 55.2MB in the end (delta: -18.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:16:37,166 INFO L158 Benchmark]: Boogie Preprocessor took 52.29ms. Allocated memory is still 77.6MB. Free memory was 55.2MB in the beginning and 53.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:16:37,166 INFO L158 Benchmark]: RCFGBuilder took 640.41ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 53.4MB in the beginning and 73.1MB in the end (delta: -19.7MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2024-11-08 23:16:37,167 INFO L158 Benchmark]: CodeCheck took 15719.34ms. Allocated memory was 104.9MB in the beginning and 434.1MB in the end (delta: 329.3MB). Free memory was 73.1MB in the beginning and 251.4MB in the end (delta: -178.3MB). Peak memory consumption was 150.9MB. Max. memory is 16.1GB. [2024-11-08 23:16:37,167 INFO L158 Benchmark]: Witness Printer took 58.68ms. Allocated memory is still 434.1MB. Free memory was 251.4MB in the beginning and 247.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:16:37,170 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 60 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 381 IncrementalHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 60 mSolverCounterUnsat, 5 mSDtfsCounter, 381 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 498 GetRequests, 417 SyntacticMatches, 15 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1664 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 8.8s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 39 ConstructedInterpolants, 4 QuantifiedInterpolants, 812 SizeOfPredicates, 50 NumberOfNonLiveVariables, 335 ConjunctsInSsa, 139 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 6/31 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 - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: ((((((((63 == var_23) && (((1 + var_8) % 256) == 0)) && (state_6 != 255)) && (7 == var_29)) && (1 == var_12)) && (1 == mask_SORT_1)) && (0 == var_5)) && (1 == var_21)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 77.6MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 535.53ms. Allocated memory is still 77.6MB. Free memory was 53.6MB in the beginning and 36.3MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.80ms. Allocated memory is still 77.6MB. Free memory was 36.3MB in the beginning and 55.2MB in the end (delta: -18.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.29ms. Allocated memory is still 77.6MB. Free memory was 55.2MB in the beginning and 53.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 640.41ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 53.4MB in the beginning and 73.1MB in the end (delta: -19.7MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * CodeCheck took 15719.34ms. Allocated memory was 104.9MB in the beginning and 434.1MB in the end (delta: 329.3MB). Free memory was 73.1MB in the beginning and 251.4MB in the end (delta: -178.3MB). Peak memory consumption was 150.9MB. Max. memory is 16.1GB. * Witness Printer took 58.68ms. Allocated memory is still 434.1MB. Free memory was 251.4MB in the beginning and 247.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:80) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:16:37,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e9df51-b514-4bb2-b7d6-da7c5eeafa07/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null