./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b --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 2164f122c5c32edee2ede3aaa086ed34ce5834fc0fb4a31a890516c48b14c747 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:22:43,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:22:43,082 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 23:22:43,086 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:22:43,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:22:43,107 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:22:43,108 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:22:43,109 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:22:43,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:22:43,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:22:43,109 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:22:43,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:22:43,110 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:22:43,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:22:43,110 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:22:43,110 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:22:43,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:22:43,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:22:43,111 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:22:43,111 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:22:43,111 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:22:43,111 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:22:43,111 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:22:43,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:22:43,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:22:43,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:22:43,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:22:43,112 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:22:43,112 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:22:43,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:22:43,112 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b 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 -> 2164f122c5c32edee2ede3aaa086ed34ce5834fc0fb4a31a890516c48b14c747 [2024-12-05 23:22:43,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:22:43,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:22:43,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:22:43,364 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:22:43,364 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:22:43,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2024-12-05 23:22:45,990 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/data/d9a1f0bbd/7fb52f8724ba418f951804392670b32b/FLAG581859091 [2024-12-05 23:22:46,333 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:22:46,334 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2024-12-05 23:22:46,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/data/d9a1f0bbd/7fb52f8724ba418f951804392670b32b/FLAG581859091 [2024-12-05 23:22:46,592 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/data/d9a1f0bbd/7fb52f8724ba418f951804392670b32b [2024-12-05 23:22:46,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:22:46,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:22:46,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:22:46,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:22:46,602 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:22:46,602 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:22:46" (1/1) ... [2024-12-05 23:22:46,603 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc11462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:46, skipping insertion in model container [2024-12-05 23:22:46,603 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:22:46" (1/1) ... [2024-12-05 23:22:46,646 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:22:46,801 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_6372f898-ec10-44e2-b6c9-7427aa3a62e5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c[1260,1273] [2024-12-05 23:22:47,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:22:47,138 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:22:47,146 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_6372f898-ec10-44e2-b6c9-7427aa3a62e5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c[1260,1273] [2024-12-05 23:22:47,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:22:47,375 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:22:47,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:47 WrapperNode [2024-12-05 23:22:47,375 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:22:47,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:22:47,377 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:22:47,377 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:22:47,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:47" (1/1) ... [2024-12-05 23:22:47,430 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:47" (1/1) ... [2024-12-05 23:22:47,872 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4506 [2024-12-05 23:22:47,873 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:22:47,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:22:47,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:22:47,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:22:47,880 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:47" (1/1) ... [2024-12-05 23:22:47,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:47" (1/1) ... [2024-12-05 23:22:47,948 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:47" (1/1) ... [2024-12-05 23:22:47,949 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:47" (1/1) ... [2024-12-05 23:22:48,108 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:47" (1/1) ... [2024-12-05 23:22:48,147 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:47" (1/1) ... [2024-12-05 23:22:48,191 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:47" (1/1) ... [2024-12-05 23:22:48,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:47" (1/1) ... [2024-12-05 23:22:48,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:47" (1/1) ... [2024-12-05 23:22:48,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:22:48,356 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:22:48,356 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:22:48,356 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:22:48,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:47" (1/1) ... [2024-12-05 23:22:48,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:22:48,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:22:48,396 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:22:48,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:22:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:22:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:22:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:22:48,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:22:48,877 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:22:48,879 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:22:53,795 INFO L? ?]: Removed 2675 outVars from TransFormulas that were not future-live. [2024-12-05 23:22:53,795 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:23:00,169 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:23:00,170 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:23:00,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:23:00 BoogieIcfgContainer [2024-12-05 23:23:00,170 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:23:00,171 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:23:00,171 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:23:00,182 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:23:00,183 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:23:00" (1/1) ... [2024-12-05 23:23:00,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:23:00,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:23:00,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:23:00,228 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:23:00,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:23:00,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:23:00,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:23:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:23:00,635 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:23:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:23:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:23:01,269 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:23:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:23:01,719 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:23:01,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:23:01 ImpRootNode [2024-12-05 23:23:01,757 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:23:01,758 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:23:01,758 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:23:01,758 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:23:01,759 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:23:00" (3/4) ... [2024-12-05 23:23:01,762 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:23:01,763 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:23:01,764 INFO L158 Benchmark]: Toolchain (without parser) took 15167.60ms. Allocated memory was 117.4MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 90.1MB in the beginning and 826.8MB in the end (delta: -736.6MB). Peak memory consumption was 271.3MB. Max. memory is 16.1GB. [2024-12-05 23:23:01,764 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:23:01,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 778.26ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 90.1MB in the beginning and 147.2MB in the end (delta: -57.1MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2024-12-05 23:23:01,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 496.48ms. Allocated memory was 201.3MB in the beginning and 209.7MB in the end (delta: 8.4MB). Free memory was 147.1MB in the beginning and 97.6MB in the end (delta: 49.5MB). Peak memory consumption was 164.5MB. Max. memory is 16.1GB. [2024-12-05 23:23:01,766 INFO L158 Benchmark]: Boogie Preprocessor took 480.35ms. Allocated memory was 209.7MB in the beginning and 629.1MB in the end (delta: 419.4MB). Free memory was 97.6MB in the beginning and 493.5MB in the end (delta: -396.0MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2024-12-05 23:23:01,767 INFO L158 Benchmark]: RCFGBuilder took 11814.50ms. Allocated memory was 629.1MB in the beginning and 1.1GB in the end (delta: 494.9MB). Free memory was 493.5MB in the beginning and 351.3MB in the end (delta: 142.2MB). Peak memory consumption was 643.4MB. Max. memory is 16.1GB. [2024-12-05 23:23:01,767 INFO L158 Benchmark]: CodeCheck took 1586.24ms. Allocated memory is still 1.1GB. Free memory was 351.3MB in the beginning and 826.8MB in the end (delta: -475.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:23:01,768 INFO L158 Benchmark]: Witness Printer took 4.74ms. Allocated memory is still 1.1GB. Free memory was 826.8MB in the beginning and 826.8MB in the end (delta: 58.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:23:01,771 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: 1.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s 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, ConComCheckerStatistics: 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 bitwiseOr at line 203, overapproximation of bitwiseAnd at line 183, overapproximation of bitwiseAnd at line 118. 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_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 16); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (16 - 1); [L32] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 2); [L33] const SORT_9 msb_SORT_9 = (SORT_9)1 << (2 - 1); [L35] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 3); [L36] const SORT_14 msb_SORT_14 = (SORT_14)1 << (3 - 1); [L38] const SORT_41 mask_SORT_41 = (SORT_41)-1 >> (sizeof(SORT_41) * 8 - 12); [L39] const SORT_41 msb_SORT_41 = (SORT_41)1 << (12 - 1); [L41] const SORT_97 mask_SORT_97 = (SORT_97)-1 >> (sizeof(SORT_97) * 8 - 17); [L42] const SORT_97 msb_SORT_97 = (SORT_97)1 << (17 - 1); [L44] const SORT_98 mask_SORT_98 = (SORT_98)-1 >> (sizeof(SORT_98) * 8 - 5); [L45] const SORT_98 msb_SORT_98 = (SORT_98)1 << (5 - 1); [L47] const SORT_101 mask_SORT_101 = (SORT_101)-1 >> (sizeof(SORT_101) * 8 - 9); [L48] const SORT_101 msb_SORT_101 = (SORT_101)1 << (9 - 1); [L50] const SORT_103 mask_SORT_103 = (SORT_103)-1 >> (sizeof(SORT_103) * 8 - 10); [L51] const SORT_103 msb_SORT_103 = (SORT_103)1 << (10 - 1); [L53] const SORT_106 mask_SORT_106 = (SORT_106)-1 >> (sizeof(SORT_106) * 8 - 11); [L54] const SORT_106 msb_SORT_106 = (SORT_106)1 << (11 - 1); [L56] const SORT_111 mask_SORT_111 = (SORT_111)-1 >> (sizeof(SORT_111) * 8 - 13); [L57] const SORT_111 msb_SORT_111 = (SORT_111)1 << (13 - 1); [L59] const SORT_114 mask_SORT_114 = (SORT_114)-1 >> (sizeof(SORT_114) * 8 - 14); [L60] const SORT_114 msb_SORT_114 = (SORT_114)1 << (14 - 1); [L62] const SORT_117 mask_SORT_117 = (SORT_117)-1 >> (sizeof(SORT_117) * 8 - 15); [L63] const SORT_117 msb_SORT_117 = (SORT_117)1 << (15 - 1); [L65] const SORT_150 mask_SORT_150 = (SORT_150)-1 >> (sizeof(SORT_150) * 8 - 7); [L66] const SORT_150 msb_SORT_150 = (SORT_150)1 << (7 - 1); [L68] const SORT_366 mask_SORT_366 = (SORT_366)-1 >> (sizeof(SORT_366) * 8 - 4); [L69] const SORT_366 msb_SORT_366 = (SORT_366)1 << (4 - 1); [L71] const SORT_369 mask_SORT_369 = (SORT_369)-1 >> (sizeof(SORT_369) * 8 - 6); [L72] const SORT_369 msb_SORT_369 = (SORT_369)1 << (6 - 1); [L74] const SORT_372 mask_SORT_372 = (SORT_372)-1 >> (sizeof(SORT_372) * 8 - 8); [L75] const SORT_372 msb_SORT_372 = (SORT_372)1 << (8 - 1); [L77] const SORT_3 var_6 = 0; [L78] const SORT_14 var_15 = 0; [L79] const SORT_9 var_19 = 0; [L80] const SORT_1 var_30 = 1; [L81] const SORT_1 var_36 = 0; [L82] const SORT_41 var_42 = 0; [L83] const SORT_14 var_56 = 2; [L84] const SORT_14 var_60 = 1; [L85] const SORT_14 var_65 = 4; [L86] const SORT_14 var_67 = 5; [L87] const SORT_14 var_71 = 3; [L88] const SORT_98 var_99 = 0; [L89] const SORT_150 var_152 = 5; [L90] const SORT_150 var_156 = 4; [L91] const SORT_150 var_160 = 3; [L92] const SORT_150 var_164 = 2; [L93] const SORT_150 var_168 = 1; [L94] const SORT_150 var_172 = 0; [L95] const SORT_41 var_195 = 2; [L96] const SORT_3 var_217 = 65535; [L98] SORT_1 input_2; [L99] SORT_3 input_4; [L100] SORT_3 input_5; [L101] SORT_3 input_207; [L102] SORT_3 input_208; [L103] SORT_3 input_209; [L104] SORT_3 input_216; [L105] SORT_3 input_224; [L106] SORT_3 input_225; [L107] SORT_3 input_226; [L108] SORT_3 input_229; [L109] SORT_3 input_247; [L110] SORT_3 input_248; [L111] SORT_3 input_249; [L112] SORT_3 input_252; [L113] SORT_3 input_254; [L114] SORT_9 input_268; [L115] SORT_9 input_269; [L116] SORT_9 input_270; [L118] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L118] SORT_3 state_7 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_14 [L119] SORT_14 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_14; [L120] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L120] SORT_3 state_21 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L121] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L121] SORT_3 state_23 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L122] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L122] SORT_3 state_34 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L123] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L124] SORT_3 state_39 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L125] EXPR __VERIFIER_nondet_ushort() & mask_SORT_41 [L125] SORT_41 state_43 = __VERIFIER_nondet_ushort() & mask_SORT_41; [L126] EXPR __VERIFIER_nondet_ushort() & mask_SORT_41 [L126] SORT_41 state_45 = __VERIFIER_nondet_ushort() & mask_SORT_41; [L127] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L127] SORT_3 state_47 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L128] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L128] SORT_3 state_49 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L129] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L129] SORT_3 state_51 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L130] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L130] SORT_3 state_53 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L132] SORT_3 init_8_arg_1 = var_6; [L133] state_7 = init_8_arg_1 [L134] SORT_14 init_17_arg_1 = var_15; [L135] state_16 = init_17_arg_1 [L136] SORT_3 init_22_arg_1 = var_6; [L137] state_21 = init_22_arg_1 [L138] SORT_3 init_24_arg_1 = var_6; [L139] state_23 = init_24_arg_1 [L140] SORT_3 init_35_arg_1 = var_6; [L141] state_34 = init_35_arg_1 [L142] SORT_1 init_38_arg_1 = var_36; [L143] state_37 = init_38_arg_1 [L144] SORT_3 init_40_arg_1 = var_6; [L145] state_39 = init_40_arg_1 [L146] SORT_41 init_44_arg_1 = var_42; [L147] state_43 = init_44_arg_1 [L148] SORT_41 init_46_arg_1 = var_42; [L149] state_45 = init_46_arg_1 [L150] SORT_3 init_48_arg_1 = var_6; [L151] state_47 = init_48_arg_1 [L152] SORT_3 init_50_arg_1 = var_6; [L153] state_49 = init_50_arg_1 [L154] SORT_3 init_52_arg_1 = var_6; [L155] state_51 = init_52_arg_1 [L156] SORT_3 init_54_arg_1 = var_6; [L157] state_53 = init_54_arg_1 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L160] input_2 = __VERIFIER_nondet_uchar() [L161] input_4 = __VERIFIER_nondet_ushort() [L162] input_5 = __VERIFIER_nondet_ushort() [L163] input_207 = __VERIFIER_nondet_ushort() [L164] input_208 = __VERIFIER_nondet_ushort() [L165] input_209 = __VERIFIER_nondet_ushort() [L166] input_216 = __VERIFIER_nondet_ushort() [L167] input_224 = __VERIFIER_nondet_ushort() [L168] input_225 = __VERIFIER_nondet_ushort() [L169] input_226 = __VERIFIER_nondet_ushort() [L170] input_229 = __VERIFIER_nondet_ushort() [L171] input_247 = __VERIFIER_nondet_ushort() [L172] input_248 = __VERIFIER_nondet_ushort() [L173] input_249 = __VERIFIER_nondet_ushort() [L174] input_252 = __VERIFIER_nondet_ushort() [L175] input_254 = __VERIFIER_nondet_ushort() [L176] input_268 = __VERIFIER_nondet_uchar() [L177] input_269 = __VERIFIER_nondet_uchar() [L178] input_270 = __VERIFIER_nondet_uchar() [L181] SORT_3 var_10_arg_0 = state_7; [L182] SORT_9 var_10 = var_10_arg_0 >> 3; [L183] EXPR var_10 & mask_SORT_9 [L183] var_10 = var_10 & mask_SORT_9 [L184] SORT_3 var_11_arg_0 = state_7; [L185] SORT_9 var_11 = var_11_arg_0 >> 5; [L186] EXPR var_11 & mask_SORT_9 [L186] var_11 = var_11 & mask_SORT_9 [L187] SORT_9 var_12_arg_0 = var_10; [L188] SORT_9 var_12_arg_1 = var_11; [L189] SORT_1 var_12 = var_12_arg_0 == var_12_arg_1; [L190] SORT_1 var_13_arg_0 = var_12; [L191] SORT_1 var_13 = ~var_13_arg_0; [L192] SORT_14 var_18_arg_0 = state_16; [L193] SORT_9 var_18 = var_18_arg_0 >> 1; [L194] EXPR var_18 & mask_SORT_9 [L194] var_18 = var_18 & mask_SORT_9 [L195] SORT_9 var_20_arg_0 = var_18; [L196] SORT_9 var_20_arg_1 = var_19; [L197] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L198] SORT_3 var_25_arg_0 = state_21; [L199] SORT_3 var_25_arg_1 = state_23; [L200] SORT_1 var_25 = var_25_arg_0 == var_25_arg_1; [L201] SORT_1 var_26_arg_0 = var_20; [L202] SORT_1 var_26_arg_1 = var_25; [L203] EXPR var_26_arg_0 | var_26_arg_1 [L203] SORT_1 var_26 = var_26_arg_0 | var_26_arg_1; [L204] SORT_1 var_27_arg_0 = var_13; [L205] SORT_1 var_27_arg_1 = var_26; [L206] EXPR var_27_arg_0 | var_27_arg_1 [L206] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L207] SORT_1 var_31_arg_0 = var_27; [L208] SORT_1 var_31 = ~var_31_arg_0; [L209] SORT_1 var_32_arg_0 = var_30; [L210] SORT_1 var_32_arg_1 = var_31; [L211] EXPR var_32_arg_0 & var_32_arg_1 [L211] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L212] EXPR var_32 & mask_SORT_1 [L212] var_32 = var_32 & mask_SORT_1 [L213] SORT_1 bad_33_arg_0 = var_32; [L214] CALL __VERIFIER_assert(!(bad_33_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 0.33ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 778.26ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 90.1MB in the beginning and 147.2MB in the end (delta: -57.1MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 496.48ms. Allocated memory was 201.3MB in the beginning and 209.7MB in the end (delta: 8.4MB). Free memory was 147.1MB in the beginning and 97.6MB in the end (delta: 49.5MB). Peak memory consumption was 164.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 480.35ms. Allocated memory was 209.7MB in the beginning and 629.1MB in the end (delta: 419.4MB). Free memory was 97.6MB in the beginning and 493.5MB in the end (delta: -396.0MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. * RCFGBuilder took 11814.50ms. Allocated memory was 629.1MB in the beginning and 1.1GB in the end (delta: 494.9MB). Free memory was 493.5MB in the beginning and 351.3MB in the end (delta: 142.2MB). Peak memory consumption was 643.4MB. Max. memory is 16.1GB. * CodeCheck took 1586.24ms. Allocated memory is still 1.1GB. Free memory was 351.3MB in the beginning and 826.8MB in the end (delta: -475.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.74ms. Allocated memory is still 1.1GB. Free memory was 826.8MB in the beginning and 826.8MB in the end (delta: 58.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:23:01,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b --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 2164f122c5c32edee2ede3aaa086ed34ce5834fc0fb4a31a890516c48b14c747 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:23:03,944 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:23:04,016 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 23:23:04,042 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:23:04,043 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:23:04,043 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:23:04,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:23:04,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:23:04,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:23:04,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:23:04,044 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:23:04,044 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:23:04,044 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:23:04,044 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:23:04,044 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:23:04,044 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:23:04,044 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:23:04,044 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:23:04,044 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:23:04,044 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:23:04,044 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:23:04,045 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:23:04,045 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:23:04,045 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:23:04,045 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:23:04,045 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:23:04,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:23:04,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:23:04,045 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:23:04,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:23:04,045 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:23:04,045 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:23:04,046 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:23:04,046 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b 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 -> 2164f122c5c32edee2ede3aaa086ed34ce5834fc0fb4a31a890516c48b14c747 [2024-12-05 23:23:04,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:23:04,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:23:04,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:23:04,314 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:23:04,314 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:23:04,316 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2024-12-05 23:23:07,324 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/data/1c4fbe7e9/3ed33da67cb149a0b9715c5fb3e8f009/FLAG3305bf19b [2024-12-05 23:23:07,605 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:23:07,606 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2024-12-05 23:23:07,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/data/1c4fbe7e9/3ed33da67cb149a0b9715c5fb3e8f009/FLAG3305bf19b [2024-12-05 23:23:07,877 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/data/1c4fbe7e9/3ed33da67cb149a0b9715c5fb3e8f009 [2024-12-05 23:23:07,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:23:07,880 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:23:07,881 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:23:07,881 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:23:07,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:23:07,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:23:07" (1/1) ... [2024-12-05 23:23:07,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71061a78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:07, skipping insertion in model container [2024-12-05 23:23:07,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:23:07" (1/1) ... [2024-12-05 23:23:07,928 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:23:08,085 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_6372f898-ec10-44e2-b6c9-7427aa3a62e5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c[1260,1273] [2024-12-05 23:23:08,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:23:08,370 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:23:08,381 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_6372f898-ec10-44e2-b6c9-7427aa3a62e5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c[1260,1273] [2024-12-05 23:23:08,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:23:08,522 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:23:08,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:08 WrapperNode [2024-12-05 23:23:08,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:23:08,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:23:08,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:23:08,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:23:08,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:08" (1/1) ... [2024-12-05 23:23:08,557 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:08" (1/1) ... [2024-12-05 23:23:08,640 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1824 [2024-12-05 23:23:08,641 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:23:08,641 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:23:08,641 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:23:08,641 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:23:08,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:08" (1/1) ... [2024-12-05 23:23:08,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:08" (1/1) ... [2024-12-05 23:23:08,663 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:08" (1/1) ... [2024-12-05 23:23:08,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:08" (1/1) ... [2024-12-05 23:23:08,699 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:08" (1/1) ... [2024-12-05 23:23:08,703 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:08" (1/1) ... [2024-12-05 23:23:08,707 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:08" (1/1) ... [2024-12-05 23:23:08,714 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:08" (1/1) ... [2024-12-05 23:23:08,721 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:08" (1/1) ... [2024-12-05 23:23:08,735 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:23:08,736 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:23:08,736 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:23:08,736 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:23:08,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:23:08" (1/1) ... [2024-12-05 23:23:08,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:23:08,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:23:08,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:23:08,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:23:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:23:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:23:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:23:08,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:23:09,153 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:23:09,154 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:23:11,248 INFO L? ?]: Removed 83 outVars from TransFormulas that were not future-live. [2024-12-05 23:23:11,248 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:23:11,297 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:23:11,298 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:23:11,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:23:11 BoogieIcfgContainer [2024-12-05 23:23:11,298 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:23:11,299 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:23:11,299 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:23:11,306 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:23:11,307 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:23:11" (1/1) ... [2024-12-05 23:23:11,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:23:11,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:23:11,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:23:11,352 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:23:11,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:23:11,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:23:11,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:23:11,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:23:11,357 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:23:11,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:23:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:23:11,926 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:23:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:23:12,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-05 23:23:12,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:23:12,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:23:12,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:23:12,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:23:12,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 23:23:12,385 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 23:23:12,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:23:12,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:23:12,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:23:12,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:23:12,388 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:23:12,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:23:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:23:13,294 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:23:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:23:13,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 23:23:13,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:23:14,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:23:14,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-05 23:23:14,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:23:14,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2024-12-05 23:23:14,577 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2024-12-05 23:23:14,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 23:23:14,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:23:14,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:23:14,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:23:14,580 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:23:14,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6372f898-ec10-44e2-b6c9-7427aa3a62e5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 23:23:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:23:15,665 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:23:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:23:15,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-12-05 23:23:16,000 INFO L279 TraceCheckSpWp]: Computing forward predicates...