./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/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_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/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_77ebc847-5cc0-4695-89b5-c9ae441faa11/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 eabdf7e4bea5ef7f4041734b3a2f250c3105df8bde0bca39b57a9665da865e25 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:34:26,767 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:34:26,829 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 19:34:26,836 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:34:26,837 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:34:26,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:34:26,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:34:26,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:34:26,868 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:34:26,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:34:26,869 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:34:26,869 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:34:26,870 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:34:26,870 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:34:26,871 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:34:26,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:34:26,871 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:34:26,872 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:34:26,872 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:34:26,873 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:34:26,873 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:34:26,874 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:34:26,874 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:34:26,875 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:34:26,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:34:26,876 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:34:26,876 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:34:26,877 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:34:26,877 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:34:26,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:34:26,878 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_77ebc847-5cc0-4695-89b5-c9ae441faa11/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eabdf7e4bea5ef7f4041734b3a2f250c3105df8bde0bca39b57a9665da865e25 [2024-11-08 19:34:27,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:34:27,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:34:27,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:34:27,181 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:34:27,183 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:34:27,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-func-interl.c Unable to find full path for "g++" [2024-11-08 19:34:29,258 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:34:29,625 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:34:29,626 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-func-interl.c [2024-11-08 19:34:29,646 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/data/e8819795a/a58f1254ef0e4b5d8d71e81bb74ad099/FLAG75d66f8aa [2024-11-08 19:34:29,836 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/data/e8819795a/a58f1254ef0e4b5d8d71e81bb74ad099 [2024-11-08 19:34:29,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:34:29,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:34:29,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:34:29,842 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:34:29,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:34:29,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:34:29" (1/1) ... [2024-11-08 19:34:29,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f100698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:29, skipping insertion in model container [2024-11-08 19:34:29,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:34:29" (1/1) ... [2024-11-08 19:34:29,926 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:34:30,172 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_77ebc847-5cc0-4695-89b5-c9ae441faa11/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-func-interl.c[1175,1188] [2024-11-08 19:34:30,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:34:30,733 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:34:30,744 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_77ebc847-5cc0-4695-89b5-c9ae441faa11/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-func-interl.c[1175,1188] [2024-11-08 19:34:30,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:34:30,979 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:34:30,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:30 WrapperNode [2024-11-08 19:34:30,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:34:30,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:34:30,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:34:30,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:34:30,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:30" (1/1) ... [2024-11-08 19:34:31,072 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:30" (1/1) ... [2024-11-08 19:34:32,035 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6360 [2024-11-08 19:34:32,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:34:32,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:34:32,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:34:32,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:34:32,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:30" (1/1) ... [2024-11-08 19:34:32,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:30" (1/1) ... [2024-11-08 19:34:32,350 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:30" (1/1) ... [2024-11-08 19:34:32,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:30" (1/1) ... [2024-11-08 19:34:32,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:30" (1/1) ... [2024-11-08 19:34:32,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:30" (1/1) ... [2024-11-08 19:34:32,793 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:30" (1/1) ... [2024-11-08 19:34:32,826 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:30" (1/1) ... [2024-11-08 19:34:33,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:34:33,072 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:34:33,073 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:34:33,073 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:34:33,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:30" (1/1) ... [2024-11-08 19:34:33,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:34:33,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:34:33,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:34:33,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:34:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:34:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:34:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:34:33,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:34:33,607 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:34:33,610 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:34:41,710 INFO L? ?]: Removed 3510 outVars from TransFormulas that were not future-live. [2024-11-08 19:34:41,710 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:34:54,878 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:34:54,878 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:34:54,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:34:54 BoogieIcfgContainer [2024-11-08 19:34:54,879 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:34:54,880 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:34:54,880 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:34:54,891 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:34:54,892 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:34:54" (1/1) ... [2024-11-08 19:34:54,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:34:54,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:34:54,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 19:34:54,964 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 19:34:54,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 19:34:54,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:34:54,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:34:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:34:55,890 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:34:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:34:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:34:56,937 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:34:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:34:57,730 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:34:57,769 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-08 19:34:57,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:34:57 ImpRootNode [2024-11-08 19:34:57,786 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:34:57,787 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:34:57,789 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:34:57,789 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:34:57,790 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:34:54" (3/4) ... [2024-11-08 19:34:57,792 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:34:57,795 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:34:57,796 INFO L158 Benchmark]: Toolchain (without parser) took 27956.02ms. Allocated memory was 155.2MB in the beginning and 6.8GB in the end (delta: 6.7GB). Free memory was 110.2MB in the beginning and 6.3GB in the end (delta: -6.2GB). Peak memory consumption was 478.9MB. Max. memory is 16.1GB. [2024-11-08 19:34:57,797 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 123.7MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:34:57,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1138.55ms. Allocated memory is still 155.2MB. Free memory was 110.2MB in the beginning and 67.3MB in the end (delta: 42.8MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2024-11-08 19:34:57,799 INFO L158 Benchmark]: Boogie Procedure Inliner took 1054.70ms. Allocated memory was 155.2MB in the beginning and 234.9MB in the end (delta: 79.7MB). Free memory was 67.3MB in the beginning and 81.0MB in the end (delta: -13.6MB). Peak memory consumption was 110.8MB. Max. memory is 16.1GB. [2024-11-08 19:34:57,801 INFO L158 Benchmark]: Boogie Preprocessor took 1035.48ms. Allocated memory was 234.9MB in the beginning and 469.8MB in the end (delta: 234.9MB). Free memory was 81.0MB in the beginning and 276.1MB in the end (delta: -195.1MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2024-11-08 19:34:57,802 INFO L158 Benchmark]: RCFGBuilder took 21806.79ms. Allocated memory was 469.8MB in the beginning and 6.8GB in the end (delta: 6.3GB). Free memory was 276.1MB in the beginning and 6.2GB in the end (delta: -5.9GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-08 19:34:57,803 INFO L158 Benchmark]: CodeCheck took 2906.33ms. Allocated memory is still 6.8GB. Free memory was 6.2GB in the beginning and 6.3GB in the end (delta: -116.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:34:57,803 INFO L158 Benchmark]: Witness Printer took 8.77ms. Allocated memory is still 6.8GB. Free memory is still 6.3GB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:34:57,807 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: 2.8s, 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: 0.1s SsaConstructionTime, 0.3s 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 178. 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_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_24 = 0; [L40] const SORT_4 var_67 = 1; [L41] const SORT_4 var_68 = 0; [L42] const SORT_2 var_79 = 1; [L43] const SORT_3 var_81 = 0; [L44] const SORT_4 var_84 = 4; [L45] const SORT_2 var_88 = 0; [L46] const SORT_4 var_155 = 2; [L47] const SORT_2 var_158 = 2; [L48] const SORT_4 var_182 = 3; [L49] const SORT_2 var_185 = 3; [L51] SORT_1 input_80; [L52] SORT_1 input_90; [L53] SORT_1 input_92; [L54] SORT_1 input_99; [L55] SORT_1 input_101; [L56] SORT_1 input_108; [L57] SORT_1 input_110; [L58] SORT_1 input_117; [L59] SORT_1 input_209; [L60] SORT_1 input_213; [L61] SORT_1 input_216; [L62] SORT_1 input_217; [L63] SORT_1 input_218; [L64] SORT_1 input_219; [L65] SORT_1 input_220; [L66] SORT_1 input_221; [L67] SORT_1 input_231; [L68] SORT_1 input_237; [L69] SORT_1 input_243; [L70] SORT_1 input_249; [L71] SORT_1 input_264; [L72] SORT_1 input_282; [L73] SORT_1 input_300; [L74] SORT_1 input_318; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L76] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L77] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L78] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L79] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L80] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L81] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L82] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L83] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L84] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L85] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L86] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L87] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L88] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L89] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L90] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L91] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L92] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L93] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L94] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L95] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L96] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L97] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L98] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L99] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L100] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L101] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L102] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L103] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L104] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L105] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] SORT_2 init_7_arg_1 = var_5; [L108] state_6 = init_7_arg_1 [L109] SORT_2 init_9_arg_1 = var_5; [L110] state_8 = init_9_arg_1 [L111] SORT_2 init_11_arg_1 = var_5; [L112] state_10 = init_11_arg_1 [L113] SORT_2 init_13_arg_1 = var_5; [L114] state_12 = init_13_arg_1 [L115] SORT_2 init_15_arg_1 = var_5; [L116] state_14 = init_15_arg_1 [L117] SORT_2 init_17_arg_1 = var_5; [L118] state_16 = init_17_arg_1 [L119] SORT_2 init_19_arg_1 = var_5; [L120] state_18 = init_19_arg_1 [L121] SORT_2 init_21_arg_1 = var_5; [L122] state_20 = init_21_arg_1 [L123] SORT_2 init_23_arg_1 = var_5; [L124] state_22 = init_23_arg_1 [L125] SORT_1 init_26_arg_1 = var_24; [L126] state_25 = init_26_arg_1 [L127] SORT_1 init_28_arg_1 = var_24; [L128] state_27 = init_28_arg_1 [L129] SORT_1 init_30_arg_1 = var_24; [L130] state_29 = init_30_arg_1 [L131] SORT_1 init_32_arg_1 = var_24; [L132] state_31 = init_32_arg_1 [L133] SORT_1 init_34_arg_1 = var_24; [L134] state_33 = init_34_arg_1 [L135] SORT_1 init_36_arg_1 = var_24; [L136] state_35 = init_36_arg_1 [L137] SORT_1 init_38_arg_1 = var_24; [L138] state_37 = init_38_arg_1 [L139] SORT_1 init_40_arg_1 = var_24; [L140] state_39 = init_40_arg_1 [L141] SORT_1 init_42_arg_1 = var_24; [L142] state_41 = init_42_arg_1 [L143] SORT_1 init_44_arg_1 = var_24; [L144] state_43 = init_44_arg_1 [L145] SORT_1 init_46_arg_1 = var_24; [L146] state_45 = init_46_arg_1 [L147] SORT_1 init_48_arg_1 = var_24; [L148] state_47 = init_48_arg_1 [L149] SORT_1 init_50_arg_1 = var_24; [L150] state_49 = init_50_arg_1 [L151] SORT_1 init_52_arg_1 = var_24; [L152] state_51 = init_52_arg_1 [L153] SORT_1 init_54_arg_1 = var_24; [L154] state_53 = init_54_arg_1 [L155] SORT_1 init_56_arg_1 = var_24; [L156] state_55 = init_56_arg_1 [L157] SORT_1 init_58_arg_1 = var_24; [L158] state_57 = init_58_arg_1 [L159] SORT_1 init_60_arg_1 = var_24; [L160] state_59 = init_60_arg_1 [L161] SORT_1 init_62_arg_1 = var_24; [L162] state_61 = init_62_arg_1 [L163] SORT_1 init_64_arg_1 = var_24; [L164] state_63 = init_64_arg_1 [L165] SORT_1 init_66_arg_1 = var_24; [L166] state_65 = init_66_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L169] input_80 = __VERIFIER_nondet_uchar() [L170] input_90 = __VERIFIER_nondet_uchar() [L171] input_92 = __VERIFIER_nondet_uchar() [L172] input_99 = __VERIFIER_nondet_uchar() [L173] input_101 = __VERIFIER_nondet_uchar() [L174] input_108 = __VERIFIER_nondet_uchar() [L175] input_110 = __VERIFIER_nondet_uchar() [L176] input_117 = __VERIFIER_nondet_uchar() [L177] input_209 = __VERIFIER_nondet_uchar() [L178] EXPR input_209 & mask_SORT_1 [L178] input_209 = input_209 & mask_SORT_1 [L179] input_213 = __VERIFIER_nondet_uchar() [L180] EXPR input_213 & mask_SORT_1 [L180] input_213 = input_213 & mask_SORT_1 [L181] input_216 = __VERIFIER_nondet_uchar() [L182] EXPR input_216 & mask_SORT_1 [L182] input_216 = input_216 & mask_SORT_1 [L183] input_217 = __VERIFIER_nondet_uchar() [L184] EXPR input_217 & mask_SORT_1 [L184] input_217 = input_217 & mask_SORT_1 [L185] input_218 = __VERIFIER_nondet_uchar() [L186] EXPR input_218 & mask_SORT_1 [L186] input_218 = input_218 & mask_SORT_1 [L187] input_219 = __VERIFIER_nondet_uchar() [L188] EXPR input_219 & mask_SORT_1 [L188] input_219 = input_219 & mask_SORT_1 [L189] input_220 = __VERIFIER_nondet_uchar() [L190] EXPR input_220 & mask_SORT_1 [L190] input_220 = input_220 & mask_SORT_1 [L191] input_221 = __VERIFIER_nondet_uchar() [L192] EXPR input_221 & mask_SORT_1 [L192] input_221 = input_221 & mask_SORT_1 [L193] input_231 = __VERIFIER_nondet_uchar() [L194] EXPR input_231 & mask_SORT_1 [L194] input_231 = input_231 & mask_SORT_1 [L195] input_237 = __VERIFIER_nondet_uchar() [L196] EXPR input_237 & mask_SORT_1 [L196] input_237 = input_237 & mask_SORT_1 [L197] input_243 = __VERIFIER_nondet_uchar() [L198] EXPR input_243 & mask_SORT_1 [L198] input_243 = input_243 & mask_SORT_1 [L199] input_249 = __VERIFIER_nondet_uchar() [L200] EXPR input_249 & mask_SORT_1 [L200] input_249 = input_249 & mask_SORT_1 [L201] input_264 = __VERIFIER_nondet_uchar() [L202] input_282 = __VERIFIER_nondet_uchar() [L203] input_300 = __VERIFIER_nondet_uchar() [L204] input_318 = __VERIFIER_nondet_uchar() [L207] SORT_1 var_69_arg_0 = state_33; [L208] SORT_4 var_69_arg_1 = var_67; [L209] SORT_4 var_69_arg_2 = var_68; [L210] SORT_4 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L211] SORT_1 var_70_arg_0 = state_43; [L212] SORT_4 var_70_arg_1 = var_67; [L213] SORT_4 var_70_arg_2 = var_68; [L214] SORT_4 var_70 = var_70_arg_0 ? var_70_arg_1 : var_70_arg_2; [L215] SORT_4 var_71_arg_0 = var_69; [L216] SORT_4 var_71_arg_1 = var_70; [L217] SORT_4 var_71 = var_71_arg_0 + var_71_arg_1; [L218] SORT_1 var_72_arg_0 = state_53; [L219] SORT_4 var_72_arg_1 = var_67; [L220] SORT_4 var_72_arg_2 = var_68; [L221] SORT_4 var_72 = var_72_arg_0 ? var_72_arg_1 : var_72_arg_2; [L222] SORT_4 var_73_arg_0 = var_71; [L223] SORT_4 var_73_arg_1 = var_72; [L224] SORT_4 var_73 = var_73_arg_0 + var_73_arg_1; [L225] SORT_1 var_74_arg_0 = state_63; [L226] SORT_4 var_74_arg_1 = var_67; [L227] SORT_4 var_74_arg_2 = var_68; [L228] SORT_4 var_74 = var_74_arg_0 ? var_74_arg_1 : var_74_arg_2; [L229] SORT_4 var_75_arg_0 = var_73; [L230] SORT_4 var_75_arg_1 = var_74; [L231] SORT_4 var_75 = var_75_arg_0 + var_75_arg_1; [L232] EXPR var_75 & mask_SORT_4 [L232] var_75 = var_75 & mask_SORT_4 [L233] SORT_4 var_76_arg_0 = var_75; [L234] SORT_4 var_76_arg_1 = var_67; [L235] SORT_1 var_76 = var_76_arg_0 <= var_76_arg_1; [L236] SORT_1 var_77_arg_0 = ~state_65; [L237] EXPR var_77_arg_0 & mask_SORT_1 [L237] var_77_arg_0 = var_77_arg_0 & mask_SORT_1 [L238] SORT_1 var_77_arg_1 = ~var_76; [L239] EXPR var_77_arg_1 & mask_SORT_1 [L239] var_77_arg_1 = var_77_arg_1 & mask_SORT_1 [L240] EXPR var_77_arg_0 & var_77_arg_1 [L240] SORT_1 var_77 = var_77_arg_0 & var_77_arg_1; [L241] EXPR var_77 & mask_SORT_1 [L241] var_77 = var_77 & mask_SORT_1 [L242] SORT_1 bad_78_arg_0 = var_77; [L243] CALL __VERIFIER_assert(!(bad_78_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 0.35ms. Allocated memory is still 123.7MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1138.55ms. Allocated memory is still 155.2MB. Free memory was 110.2MB in the beginning and 67.3MB in the end (delta: 42.8MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1054.70ms. Allocated memory was 155.2MB in the beginning and 234.9MB in the end (delta: 79.7MB). Free memory was 67.3MB in the beginning and 81.0MB in the end (delta: -13.6MB). Peak memory consumption was 110.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1035.48ms. Allocated memory was 234.9MB in the beginning and 469.8MB in the end (delta: 234.9MB). Free memory was 81.0MB in the beginning and 276.1MB in the end (delta: -195.1MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * RCFGBuilder took 21806.79ms. Allocated memory was 469.8MB in the beginning and 6.8GB in the end (delta: 6.3GB). Free memory was 276.1MB in the beginning and 6.2GB in the end (delta: -5.9GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * CodeCheck took 2906.33ms. Allocated memory is still 6.8GB. Free memory was 6.2GB in the beginning and 6.3GB in the end (delta: -116.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.77ms. Allocated memory is still 6.8GB. Free memory is still 6.3GB. 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 19:34:57,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/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_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/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_77ebc847-5cc0-4695-89b5-c9ae441faa11/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 eabdf7e4bea5ef7f4041734b3a2f250c3105df8bde0bca39b57a9665da865e25 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:35:00,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:35:00,416 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 19:35:00,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:35:00,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:35:00,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:35:00,449 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:35:00,450 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:35:00,450 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:35:00,451 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:35:00,452 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:35:00,452 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:35:00,452 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:35:00,453 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:35:00,455 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:35:00,455 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:35:00,456 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:35:00,456 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:35:00,456 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:35:00,457 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:35:00,457 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:35:00,461 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:35:00,461 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:35:00,462 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:35:00,462 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:35:00,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:35:00,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:35:00,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:35:00,463 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:35:00,463 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:35:00,463 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:35:00,464 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:35:00,464 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:35:00,464 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_77ebc847-5cc0-4695-89b5-c9ae441faa11/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eabdf7e4bea5ef7f4041734b3a2f250c3105df8bde0bca39b57a9665da865e25 [2024-11-08 19:35:00,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:35:00,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:35:00,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:35:00,894 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:35:00,894 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:35:00,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-func-interl.c Unable to find full path for "g++" [2024-11-08 19:35:02,898 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:35:03,272 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:35:03,273 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-func-interl.c [2024-11-08 19:35:03,294 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/data/153e8c68f/697d50ea401d4e81b281acac2baf10f6/FLAG958e75b4f [2024-11-08 19:35:03,313 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/data/153e8c68f/697d50ea401d4e81b281acac2baf10f6 [2024-11-08 19:35:03,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:35:03,317 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:35:03,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:35:03,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:35:03,324 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:35:03,325 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:35:03" (1/1) ... [2024-11-08 19:35:03,326 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1543a34b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:03, skipping insertion in model container [2024-11-08 19:35:03,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:35:03" (1/1) ... [2024-11-08 19:35:03,412 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:35:03,648 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_77ebc847-5cc0-4695-89b5-c9ae441faa11/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-func-interl.c[1175,1188] [2024-11-08 19:35:04,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:35:04,061 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:35:04,090 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_77ebc847-5cc0-4695-89b5-c9ae441faa11/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-func-interl.c[1175,1188] [2024-11-08 19:35:04,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:35:04,262 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:35:04,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:04 WrapperNode [2024-11-08 19:35:04,263 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:35:04,264 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:35:04,265 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:35:04,265 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:35:04,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:04" (1/1) ... [2024-11-08 19:35:04,317 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:04" (1/1) ... [2024-11-08 19:35:04,451 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1908 [2024-11-08 19:35:04,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:35:04,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:35:04,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:35:04,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:35:04,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:04" (1/1) ... [2024-11-08 19:35:04,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:04" (1/1) ... [2024-11-08 19:35:04,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:04" (1/1) ... [2024-11-08 19:35:04,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:04" (1/1) ... [2024-11-08 19:35:04,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:04" (1/1) ... [2024-11-08 19:35:04,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:04" (1/1) ... [2024-11-08 19:35:04,530 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:04" (1/1) ... [2024-11-08 19:35:04,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:04" (1/1) ... [2024-11-08 19:35:04,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:35:04,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:35:04,555 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:35:04,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:35:04,556 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:35:04" (1/1) ... [2024-11-08 19:35:04,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:35:04,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:35:04,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:35:04,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:35:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:35:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 19:35:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:35:04,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:35:05,080 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:35:05,083 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:35:09,317 INFO L? ?]: Removed 97 outVars from TransFormulas that were not future-live. [2024-11-08 19:35:09,317 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:35:09,451 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:35:09,451 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:35:09,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:35:09 BoogieIcfgContainer [2024-11-08 19:35:09,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:35:09,453 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:35:09,453 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:35:09,463 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:35:09,464 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:35:09" (1/1) ... [2024-11-08 19:35:09,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:35:09,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:35:09,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 19:35:09,535 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 19:35:09,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 19:35:09,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:35:09,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:35:09,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:35:09,543 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:35:09,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:35:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:35:10,223 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:35:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:35:10,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 19:35:10,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:35:10,998 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 19:35:11,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 19:35:12,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:35:12,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 19:35:12,057 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 19:35:12,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:35:12,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:35:12,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:35:12,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:35:12,061 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:35:12,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77ebc847-5cc0-4695-89b5-c9ae441faa11/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 19:35:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:35:13,928 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:35:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:35:14,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-08 19:35:14,463 INFO L278 TraceCheckSpWp]: Computing forward predicates...