./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9 --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 96058a095f9d265f7ac6ab6bbcbacfbf0dd6452c382f47776ac7601de251f0e4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:24:25,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:24:25,856 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 21:24:25,861 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:24:25,861 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:24:25,882 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:24:25,883 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:24:25,884 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:24:25,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:24:25,885 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:24:25,886 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:24:25,886 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:24:25,887 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:24:25,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:24:25,888 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:24:25,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:24:25,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:24:25,890 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:24:25,890 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:24:25,891 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:24:25,891 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:24:25,892 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:24:25,892 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:24:25,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:24:25,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:24:25,894 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:24:25,894 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:24:25,895 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:24:25,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:24:25,895 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:24:25,895 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_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96058a095f9d265f7ac6ab6bbcbacfbf0dd6452c382f47776ac7601de251f0e4 [2023-12-02 21:24:26,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:24:26,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:24:26,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:24:26,143 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:24:26,143 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:24:26,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c [2023-12-02 21:24:28,844 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:24:29,121 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:24:29,121 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c [2023-12-02 21:24:29,139 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/data/e01a7a006/6960b68bcdd74c6e827c140f03ca80c3/FLAG40b413996 [2023-12-02 21:24:29,154 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/data/e01a7a006/6960b68bcdd74c6e827c140f03ca80c3 [2023-12-02 21:24:29,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:24:29,157 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:24:29,158 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:24:29,158 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:24:29,162 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:24:29,163 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:24:29" (1/1) ... [2023-12-02 21:24:29,176 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d8153d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:29, skipping insertion in model container [2023-12-02 21:24:29,176 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:24:29" (1/1) ... [2023-12-02 21:24:29,241 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:24:29,395 WARN L240 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_2c52d215-43f2-4fbc-afa8-849037f8fec6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c[1258,1271] [2023-12-02 21:24:29,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:24:29,697 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:24:29,707 WARN L240 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_2c52d215-43f2-4fbc-afa8-849037f8fec6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c[1258,1271] [2023-12-02 21:24:29,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:24:29,878 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:24:29,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:29 WrapperNode [2023-12-02 21:24:29,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:24:29,880 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:24:29,880 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:24:29,880 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:24:29,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:29" (1/1) ... [2023-12-02 21:24:29,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:29" (1/1) ... [2023-12-02 21:24:30,268 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3644 [2023-12-02 21:24:30,269 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:24:30,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:24:30,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:24:30,270 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:24:30,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:29" (1/1) ... [2023-12-02 21:24:30,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:29" (1/1) ... [2023-12-02 21:24:30,334 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:29" (1/1) ... [2023-12-02 21:24:30,334 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:29" (1/1) ... [2023-12-02 21:24:30,432 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:29" (1/1) ... [2023-12-02 21:24:30,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:29" (1/1) ... [2023-12-02 21:24:30,501 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:29" (1/1) ... [2023-12-02 21:24:30,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:29" (1/1) ... [2023-12-02 21:24:30,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:24:30,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:24:30,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:24:30,633 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:24:30,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:29" (1/1) ... [2023-12-02 21:24:30,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:24:30,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:24:30,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:24:30,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:24:30,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:24:30,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:24:30,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:24:30,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:24:31,049 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:24:31,051 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:24:33,331 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:24:37,998 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:24:37,998 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:24:38,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:24:38 BoogieIcfgContainer [2023-12-02 21:24:38,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:24:38,001 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:24:38,001 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:24:38,008 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:24:38,008 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:24:38" (1/1) ... [2023-12-02 21:24:38,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:24:38,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:38,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 21:24:38,061 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 21:24:38,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:24:38,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:38,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:24:38,507 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:24:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:24:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:24:38,901 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:24:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:24:39,350 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:24:39,382 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-02 21:24:39,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:24:39 ImpRootNode [2023-12-02 21:24:39,390 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:24:39,390 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:24:39,390 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:24:39,391 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:24:39,391 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:24:38" (3/4) ... [2023-12-02 21:24:39,394 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:24:39,395 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:24:39,396 INFO L158 Benchmark]: Toolchain (without parser) took 10238.76ms. Allocated memory was 130.0MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 69.0MB in the beginning and 1.1GB in the end (delta: -982.8MB). Peak memory consumption was 197.4MB. Max. memory is 16.1GB. [2023-12-02 21:24:39,397 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory was 47.2MB in the beginning and 47.0MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:24:39,397 INFO L158 Benchmark]: CACSL2BoogieTranslator took 720.77ms. Allocated memory is still 130.0MB. Free memory was 68.7MB in the beginning and 69.7MB in the end (delta: -1.0MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2023-12-02 21:24:39,398 INFO L158 Benchmark]: Boogie Procedure Inliner took 389.11ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 69.7MB in the beginning and 87.4MB in the end (delta: -17.7MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2023-12-02 21:24:39,399 INFO L158 Benchmark]: Boogie Preprocessor took 362.75ms. Allocated memory is still 178.3MB. Free memory was 87.4MB in the beginning and 81.8MB in the end (delta: 5.6MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2023-12-02 21:24:39,400 INFO L158 Benchmark]: RCFGBuilder took 7366.99ms. Allocated memory was 178.3MB in the beginning and 654.3MB in the end (delta: 476.1MB). Free memory was 81.8MB in the beginning and 186.4MB in the end (delta: -104.7MB). Peak memory consumption was 396.4MB. Max. memory is 16.1GB. [2023-12-02 21:24:39,401 INFO L158 Benchmark]: CodeCheck took 1389.04ms. Allocated memory was 654.3MB in the beginning and 1.3GB in the end (delta: 654.3MB). Free memory was 186.4MB in the beginning and 1.1GB in the end (delta: -865.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:24:39,401 INFO L158 Benchmark]: Witness Printer took 4.73ms. Allocated memory is still 1.3GB. Free memory is still 1.1GB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:24:39,405 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: 1.3s, 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, 0.1s 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 133. 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 - 4); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (4 - 1); [L32] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 5); [L33] const SORT_7 msb_SORT_7 = (SORT_7)1 << (5 - 1); [L35] const SORT_22 mask_SORT_22 = (SORT_22)-1 >> (sizeof(SORT_22) * 8 - 32); [L36] const SORT_22 msb_SORT_22 = (SORT_22)1 << (32 - 1); [L38] const SORT_7 var_8 = 0; [L39] const SORT_7 var_11 = 16; [L40] const SORT_1 var_15 = 1; [L41] const SORT_1 var_19 = 0; [L42] const SORT_22 var_23 = 0; [L43] const SORT_22 var_24 = 15; [L44] const SORT_22 var_74 = 14; [L45] const SORT_22 var_92 = 13; [L46] const SORT_22 var_110 = 12; [L47] const SORT_22 var_128 = 11; [L48] const SORT_22 var_146 = 10; [L49] const SORT_22 var_164 = 9; [L50] const SORT_22 var_182 = 8; [L51] const SORT_22 var_200 = 7; [L52] const SORT_22 var_218 = 6; [L53] const SORT_22 var_236 = 5; [L54] const SORT_22 var_254 = 4; [L55] const SORT_22 var_272 = 3; [L56] const SORT_22 var_290 = 2; [L57] const SORT_22 var_308 = 1; [L58] const SORT_22 var_350 = 16; [L59] const SORT_4 var_356 = 0; [L61] SORT_1 input_2; [L62] SORT_1 input_3; [L63] SORT_4 input_5; [L64] SORT_1 input_6; [L65] SORT_1 input_345; [L66] SORT_4 input_347; [L67] SORT_1 input_386; [L68] SORT_4 input_388; [L69] SORT_1 input_404; [L70] SORT_4 input_408; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_7 [L72] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L73] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L74] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L75] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L76] SORT_1 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L77] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L78] SORT_1 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L79] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L80] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L81] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L82] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L83] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L84] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L85] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L86] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L87] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L88] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L89] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] SORT_7 init_10_arg_1 = var_8; [L92] state_9 = init_10_arg_1 [L93] SORT_1 init_21_arg_1 = var_19; [L94] state_20 = init_21_arg_1 [L95] SORT_1 init_26_arg_1 = var_19; [L96] state_25 = init_26_arg_1 [L97] SORT_1 init_28_arg_1 = var_19; [L98] state_27 = init_28_arg_1 [L99] SORT_1 init_31_arg_1 = var_19; [L100] state_30 = init_31_arg_1 [L101] SORT_1 init_33_arg_1 = var_19; [L102] state_32 = init_33_arg_1 [L103] SORT_1 init_37_arg_1 = var_19; [L104] state_36 = init_37_arg_1 [L105] SORT_1 init_39_arg_1 = var_19; [L106] state_38 = init_39_arg_1 [L107] SORT_1 init_42_arg_1 = var_19; [L108] state_41 = init_42_arg_1 [L109] SORT_1 init_44_arg_1 = var_19; [L110] state_43 = init_44_arg_1 [L111] SORT_1 init_49_arg_1 = var_19; [L112] state_48 = init_49_arg_1 [L113] SORT_1 init_51_arg_1 = var_19; [L114] state_50 = init_51_arg_1 [L115] SORT_1 init_54_arg_1 = var_19; [L116] state_53 = init_54_arg_1 [L117] SORT_1 init_56_arg_1 = var_19; [L118] state_55 = init_56_arg_1 [L119] SORT_1 init_60_arg_1 = var_19; [L120] state_59 = init_60_arg_1 [L121] SORT_1 init_62_arg_1 = var_19; [L122] state_61 = init_62_arg_1 [L123] SORT_1 init_65_arg_1 = var_19; [L124] state_64 = init_65_arg_1 [L125] SORT_1 init_67_arg_1 = var_19; [L126] state_66 = init_67_arg_1 VAL [init_10_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, mask_SORT_1=1, mask_SORT_22=4294967295, mask_SORT_4=15, mask_SORT_7=31, msb_SORT_1=1, msb_SORT_22=2147483648, msb_SORT_4=8, msb_SORT_7=16, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_36=0, state_38=0, state_41=0, state_43=0, state_48=0, state_50=0, state_53=0, state_55=0, state_59=0, state_61=0, state_64=0, state_66=0, state_9=0, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_8=0, var_92=13] [L129] input_2 = __VERIFIER_nondet_uchar() [L130] input_3 = __VERIFIER_nondet_uchar() [L131] input_5 = __VERIFIER_nondet_uchar() [L132] input_6 = __VERIFIER_nondet_uchar() [L133] EXPR input_6 & mask_SORT_1 [L133] input_6 = input_6 & mask_SORT_1 [L134] input_345 = __VERIFIER_nondet_uchar() [L135] input_347 = __VERIFIER_nondet_uchar() [L136] input_386 = __VERIFIER_nondet_uchar() [L137] input_388 = __VERIFIER_nondet_uchar() [L138] input_404 = __VERIFIER_nondet_uchar() [L139] input_408 = __VERIFIER_nondet_uchar() [L142] SORT_7 var_12_arg_0 = state_9; [L143] SORT_7 var_12_arg_1 = var_11; [L144] SORT_1 var_12 = var_12_arg_0 <= var_12_arg_1; [L145] SORT_1 var_16_arg_0 = var_12; [L146] SORT_1 var_16 = ~var_16_arg_0; [L147] SORT_1 var_17_arg_0 = var_15; [L148] SORT_1 var_17_arg_1 = var_16; [L149] EXPR var_17_arg_0 & var_17_arg_1 [L149] SORT_1 var_17 = var_17_arg_0 & var_17_arg_1; [L150] EXPR var_17 & mask_SORT_1 [L150] var_17 = var_17 & mask_SORT_1 [L151] SORT_1 bad_18_arg_0 = var_17; [L152] CALL __VERIFIER_assert(!(bad_18_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory was 47.2MB in the beginning and 47.0MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 720.77ms. Allocated memory is still 130.0MB. Free memory was 68.7MB in the beginning and 69.7MB in the end (delta: -1.0MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 389.11ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 69.7MB in the beginning and 87.4MB in the end (delta: -17.7MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 362.75ms. Allocated memory is still 178.3MB. Free memory was 87.4MB in the beginning and 81.8MB in the end (delta: 5.6MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. * RCFGBuilder took 7366.99ms. Allocated memory was 178.3MB in the beginning and 654.3MB in the end (delta: 476.1MB). Free memory was 81.8MB in the beginning and 186.4MB in the end (delta: -104.7MB). Peak memory consumption was 396.4MB. Max. memory is 16.1GB. * CodeCheck took 1389.04ms. Allocated memory was 654.3MB in the beginning and 1.3GB in the end (delta: 654.3MB). Free memory was 186.4MB in the beginning and 1.1GB in the end (delta: -865.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.73ms. Allocated memory is still 1.3GB. Free memory is still 1.1GB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 21:24:39,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/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_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9 --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 96058a095f9d265f7ac6ab6bbcbacfbf0dd6452c382f47776ac7601de251f0e4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:24:41,395 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:24:41,460 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 21:24:41,491 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:24:41,492 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:24:41,492 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:24:41,493 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:24:41,493 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:24:41,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:24:41,495 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:24:41,495 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:24:41,496 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:24:41,496 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:24:41,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:24:41,497 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:24:41,497 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:24:41,498 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:24:41,498 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:24:41,499 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:24:41,499 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:24:41,500 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:24:41,500 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:24:41,501 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:24:41,501 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:24:41,501 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:24:41,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:24:41,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:24:41,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:24:41,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:24:41,503 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:24:41,504 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:24:41,504 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:24:41,504 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:24:41,504 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:24:41,505 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96058a095f9d265f7ac6ab6bbcbacfbf0dd6452c382f47776ac7601de251f0e4 [2023-12-02 21:24:41,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:24:41,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:24:41,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:24:41,820 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:24:41,820 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:24:41,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c [2023-12-02 21:24:44,582 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:24:44,882 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:24:44,883 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c [2023-12-02 21:24:44,898 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/data/c9925a182/cf0a5c993384493fb58b54385d044287/FLAG4279e4980 [2023-12-02 21:24:44,910 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/data/c9925a182/cf0a5c993384493fb58b54385d044287 [2023-12-02 21:24:44,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:24:44,913 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:24:44,914 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:24:44,914 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:24:44,918 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:24:44,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:24:44" (1/1) ... [2023-12-02 21:24:44,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ed3b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:44, skipping insertion in model container [2023-12-02 21:24:44,920 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:24:44" (1/1) ... [2023-12-02 21:24:44,994 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:24:45,150 WARN L240 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_2c52d215-43f2-4fbc-afa8-849037f8fec6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c[1258,1271] [2023-12-02 21:24:45,391 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:24:45,401 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:24:45,410 WARN L240 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_2c52d215-43f2-4fbc-afa8-849037f8fec6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c[1258,1271] [2023-12-02 21:24:45,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:24:45,554 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:24:45,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:45 WrapperNode [2023-12-02 21:24:45,555 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:24:45,556 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:24:45,556 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:24:45,556 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:24:45,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:45" (1/1) ... [2023-12-02 21:24:45,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:45" (1/1) ... [2023-12-02 21:24:45,706 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1914 [2023-12-02 21:24:45,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:24:45,707 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:24:45,707 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:24:45,708 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:24:45,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:45" (1/1) ... [2023-12-02 21:24:45,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:45" (1/1) ... [2023-12-02 21:24:45,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:45" (1/1) ... [2023-12-02 21:24:45,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:45" (1/1) ... [2023-12-02 21:24:45,780 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:45" (1/1) ... [2023-12-02 21:24:45,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:45" (1/1) ... [2023-12-02 21:24:45,798 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:45" (1/1) ... [2023-12-02 21:24:45,811 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:45" (1/1) ... [2023-12-02 21:24:45,830 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:24:45,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:24:45,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:24:45,832 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:24:45,832 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:45" (1/1) ... [2023-12-02 21:24:45,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:24:45,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:24:45,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:24:45,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:24:45,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:24:45,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:24:45,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:24:45,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:24:46,255 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:24:46,258 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:24:48,561 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:24:48,699 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:24:48,699 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:24:48,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:24:48 BoogieIcfgContainer [2023-12-02 21:24:48,701 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:24:48,702 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:24:48,702 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:24:48,712 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:24:48,712 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:24:48" (1/1) ... [2023-12-02 21:24:48,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:24:48,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:48,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 21:24:48,773 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 21:24:48,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:24:48,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:48,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:24:48,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:24:48,812 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:24:48,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:24:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:49,395 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:24:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:49,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 21:24:49,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:24:49,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:49,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:24:50,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:50,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 21:24:50,034 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 21:24:50,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:24:50,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:50,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:24:50,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:24:50,036 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:24:50,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:24:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:51,529 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:24:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:52,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 1759 conjuncts, 129 conjunts are in the unsatisfiable core [2023-12-02 21:24:52,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:24:54,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:54,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 21:24:56,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:56,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2023-12-02 21:24:56,240 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2023-12-02 21:24:56,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:24:56,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:56,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:24:56,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:24:56,243 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:24:56,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c52d215-43f2-4fbc-afa8-849037f8fec6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 21:24:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:59,543 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:25:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:00,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 3426 conjuncts, 506 conjunts are in the unsatisfiable core [2023-12-02 21:25:00,972 INFO L285 TraceCheckSpWp]: Computing forward predicates...