./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.noninitstate.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.noninitstate.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL --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 cb35da9c160c8cc3a4e8eb0847ad52031566203029d285a75392d741632a8daa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:13:25,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:13:25,942 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 03:13:25,947 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:13:25,948 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:13:25,978 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:13:25,979 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:13:25,980 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:13:25,981 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:13:25,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:13:25,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:13:25,987 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:13:25,988 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:13:25,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:13:25,990 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:13:25,990 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:13:25,990 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:13:25,991 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:13:25,991 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:13:25,992 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:13:25,992 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:13:25,993 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:13:25,994 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:13:25,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:25,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:13:25,995 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:13:25,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:13:25,997 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:13:25,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:13:25,998 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:13:25,999 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_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb35da9c160c8cc3a4e8eb0847ad52031566203029d285a75392d741632a8daa [2023-11-19 03:13:26,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:13:26,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:13:26,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:13:26,339 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:13:26,340 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:13:26,341 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.noninitstate.c [2023-11-19 03:13:29,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:13:29,620 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:13:29,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.noninitstate.c [2023-11-19 03:13:29,630 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/data/19ac0e896/c0b47812946441279ef476456834ccaa/FLAGcc0dd04ef [2023-11-19 03:13:29,645 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/data/19ac0e896/c0b47812946441279ef476456834ccaa [2023-11-19 03:13:29,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:13:29,649 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:13:29,650 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:29,651 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:13:29,658 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:13:29,659 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:29" (1/1) ... [2023-11-19 03:13:29,660 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e1fd3ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:29, skipping insertion in model container [2023-11-19 03:13:29,660 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:29" (1/1) ... [2023-11-19 03:13:29,696 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:13:29,848 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_2a6059b3-aa87-490d-ba90-a60d578bb972/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.noninitstate.c[1262,1275] [2023-11-19 03:13:29,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:29,899 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:13:29,920 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_2a6059b3-aa87-490d-ba90-a60d578bb972/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.noninitstate.c[1262,1275] [2023-11-19 03:13:29,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:29,954 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:13:29,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:29 WrapperNode [2023-11-19 03:13:29,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:29,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:29,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:13:29,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:13:29,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:29" (1/1) ... [2023-11-19 03:13:29,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:29" (1/1) ... [2023-11-19 03:13:30,036 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 174 [2023-11-19 03:13:30,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:30,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:13:30,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:13:30,038 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:13:30,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:29" (1/1) ... [2023-11-19 03:13:30,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:29" (1/1) ... [2023-11-19 03:13:30,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:29" (1/1) ... [2023-11-19 03:13:30,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:29" (1/1) ... [2023-11-19 03:13:30,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:29" (1/1) ... [2023-11-19 03:13:30,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:29" (1/1) ... [2023-11-19 03:13:30,072 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:29" (1/1) ... [2023-11-19 03:13:30,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:29" (1/1) ... [2023-11-19 03:13:30,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:13:30,081 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:13:30,082 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:13:30,082 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:13:30,083 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:29" (1/1) ... [2023-11-19 03:13:30,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:30,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:13:30,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:13:30,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:13:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:13:30,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:13:30,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:13:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:13:30,279 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:13:30,282 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:13:30,779 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:13:31,135 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:13:31,136 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:13:31,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:31 BoogieIcfgContainer [2023-11-19 03:13:31,141 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:13:31,142 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:13:31,143 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:13:31,155 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:13:31,155 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:31" (1/1) ... [2023-11-19 03:13:31,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:13:31,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:31,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 03:13:31,238 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 03:13:31,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:13:31,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:31,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:13:31,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:13:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:13:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:13:31,649 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:13:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:13:31,684 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:13:31,718 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 03:13:31,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:13:31 ImpRootNode [2023-11-19 03:13:31,723 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:13:31,723 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:13:31,723 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:13:31,730 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:13:31,730 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:31" (3/4) ... [2023-11-19 03:13:31,732 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:13:31,733 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:13:31,734 INFO L158 Benchmark]: Toolchain (without parser) took 2084.93ms. Allocated memory was 121.6MB in the beginning and 169.9MB in the end (delta: 48.2MB). Free memory was 77.0MB in the beginning and 79.5MB in the end (delta: -2.5MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2023-11-19 03:13:31,735 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 121.6MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:13:31,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.44ms. Allocated memory is still 121.6MB. Free memory was 77.0MB in the beginning and 65.2MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:13:31,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.10ms. Allocated memory is still 121.6MB. Free memory was 65.2MB in the beginning and 60.6MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:13:31,737 INFO L158 Benchmark]: Boogie Preprocessor took 43.25ms. Allocated memory is still 121.6MB. Free memory was 60.6MB in the beginning and 58.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:13:31,738 INFO L158 Benchmark]: RCFGBuilder took 1059.71ms. Allocated memory was 121.6MB in the beginning and 169.9MB in the end (delta: 48.2MB). Free memory was 58.5MB in the beginning and 102.5MB in the end (delta: -44.0MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2023-11-19 03:13:31,739 INFO L158 Benchmark]: CodeCheck took 580.48ms. Allocated memory is still 169.9MB. Free memory was 102.5MB in the beginning and 80.4MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 03:13:31,740 INFO L158 Benchmark]: Witness Printer took 9.97ms. Allocated memory is still 169.9MB. Free memory was 80.4MB in the beginning and 79.5MB in the end (delta: 924.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:13:31,752 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 22]: 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 44. Possible FailurePath: [L27] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L28] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L30] const SORT_1 var_10 = 1; [L31] const SORT_1 var_13 = 0; [L33] SORT_1 input_2; [L35] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L35] SORT_1 state_3 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L36] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L36] SORT_1 state_4 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L37] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L37] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L39] SORT_1 init_12_arg_1 = var_10; [L40] state_11 = init_12_arg_1 VAL [init_12_arg_1=1, mask_SORT_1=1, msb_SORT_1=1, state_11=1, state_3=1, state_4=1, var_10=1, var_13=0] [L43] input_2 = __VERIFIER_nondet_uchar() [L44] EXPR input_2 & mask_SORT_1 [L44] input_2 = input_2 & mask_SORT_1 [L46] SORT_1 var_9_arg_0 = state_3; [L47] SORT_1 var_9_arg_1 = state_4; [L48] SORT_1 var_9 = var_9_arg_0 == var_9_arg_1; [L49] SORT_1 var_15_arg_0 = state_11; [L50] SORT_1 var_15_arg_1 = ~var_9; [L51] EXPR var_15_arg_1 & mask_SORT_1 [L51] var_15_arg_1 = var_15_arg_1 & mask_SORT_1 [L52] SORT_1 var_15 = !var_15_arg_0 || var_15_arg_1; [L53] SORT_1 constr_16_arg_0 = var_15; [L54] CALL assume_abort_if_not(constr_16_arg_0) [L23] COND FALSE !(!cond) [L54] RET assume_abort_if_not(constr_16_arg_0) [L56] SORT_1 bad_17_arg_0 = var_9; [L57] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L22] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L22] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 121.6MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.44ms. Allocated memory is still 121.6MB. Free memory was 77.0MB in the beginning and 65.2MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.10ms. Allocated memory is still 121.6MB. Free memory was 65.2MB in the beginning and 60.6MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.25ms. Allocated memory is still 121.6MB. Free memory was 60.6MB in the beginning and 58.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1059.71ms. Allocated memory was 121.6MB in the beginning and 169.9MB in the end (delta: 48.2MB). Free memory was 58.5MB in the beginning and 102.5MB in the end (delta: -44.0MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * CodeCheck took 580.48ms. Allocated memory is still 169.9MB. Free memory was 102.5MB in the beginning and 80.4MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 9.97ms. Allocated memory is still 169.9MB. Free memory was 80.4MB in the beginning and 79.5MB in the end (delta: 924.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:13:31,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/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_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.noninitstate.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL --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 cb35da9c160c8cc3a4e8eb0847ad52031566203029d285a75392d741632a8daa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:13:34,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:13:34,640 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-19 03:13:34,697 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:13:34,698 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:13:34,699 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:13:34,700 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:13:34,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:13:34,702 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:13:34,707 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:13:34,707 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:13:34,708 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:13:34,708 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:13:34,710 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:13:34,710 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:13:34,711 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:13:34,711 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:13:34,712 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:13:34,712 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:13:34,714 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:13:34,714 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:13:34,715 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:13:34,716 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:13:34,716 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:13:34,717 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:13:34,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:34,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:13:34,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:13:34,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:13:34,719 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:13:34,720 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:13:34,721 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:13:34,721 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:13:34,721 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:13:34,722 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_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb35da9c160c8cc3a4e8eb0847ad52031566203029d285a75392d741632a8daa [2023-11-19 03:13:35,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:13:35,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:13:35,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:13:35,151 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:13:35,151 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:13:35,153 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.noninitstate.c [2023-11-19 03:13:38,384 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:13:38,650 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:13:38,651 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.noninitstate.c [2023-11-19 03:13:38,658 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/data/71246eae6/af1abca3e2c243bf8665d3a1db0b913a/FLAG27ff6d070 [2023-11-19 03:13:38,670 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/data/71246eae6/af1abca3e2c243bf8665d3a1db0b913a [2023-11-19 03:13:38,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:13:38,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:13:38,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:38,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:13:38,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:13:38,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:38" (1/1) ... [2023-11-19 03:13:38,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58118015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:38, skipping insertion in model container [2023-11-19 03:13:38,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:38" (1/1) ... [2023-11-19 03:13:38,708 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:13:38,865 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_2a6059b3-aa87-490d-ba90-a60d578bb972/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.noninitstate.c[1262,1275] [2023-11-19 03:13:38,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:38,928 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:13:38,944 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_2a6059b3-aa87-490d-ba90-a60d578bb972/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.noninitstate.c[1262,1275] [2023-11-19 03:13:38,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:38,997 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:13:38,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:38 WrapperNode [2023-11-19 03:13:38,998 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:38,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:38,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:13:38,999 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:13:39,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:38" (1/1) ... [2023-11-19 03:13:39,019 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:38" (1/1) ... [2023-11-19 03:13:39,042 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2023-11-19 03:13:39,048 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:39,048 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:13:39,049 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:13:39,049 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:13:39,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:38" (1/1) ... [2023-11-19 03:13:39,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:38" (1/1) ... [2023-11-19 03:13:39,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:38" (1/1) ... [2023-11-19 03:13:39,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:38" (1/1) ... [2023-11-19 03:13:39,081 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:38" (1/1) ... [2023-11-19 03:13:39,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:38" (1/1) ... [2023-11-19 03:13:39,108 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:38" (1/1) ... [2023-11-19 03:13:39,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:38" (1/1) ... [2023-11-19 03:13:39,112 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:13:39,113 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:13:39,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:13:39,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:13:39,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:38" (1/1) ... [2023-11-19 03:13:39,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:39,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:13:39,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:13:39,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:13:39,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:13:39,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:13:39,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:13:39,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:13:39,293 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:13:39,308 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:13:39,585 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:13:39,634 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:13:39,634 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:13:39,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:39 BoogieIcfgContainer [2023-11-19 03:13:39,648 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:13:39,649 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:13:39,650 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:13:39,661 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:13:39,662 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:39" (1/1) ... [2023-11-19 03:13:39,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:13:39,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:39,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 03:13:39,734 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 03:13:39,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:13:39,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:39,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:13:39,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:13:39,741 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:13:39,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:13:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:39,885 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:13:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:39,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 03:13:39,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:40,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:40,275 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:13:40,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:13:40,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:40,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-19 03:13:40,343 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-19 03:13:40,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:13:40,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:40,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:13:40,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:13:40,348 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:13:40,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:13:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:13:40,472 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:13:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:13:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:13:40,592 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:13:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:13:40,658 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:13:40,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:13:40,670 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:13:40,713 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 03:13:40,718 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 03:13:40,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:13:40 ImpRootNode [2023-11-19 03:13:40,724 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:13:40,725 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:13:40,725 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:13:40,725 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:13:40,726 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:39" (3/4) ... [2023-11-19 03:13:40,727 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:13:40,739 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 03:13:40,743 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 03:13:40,816 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:13:40,816 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:13:40,817 INFO L158 Benchmark]: Toolchain (without parser) took 2143.03ms. Allocated memory is still 100.7MB. Free memory was 76.5MB in the beginning and 74.0MB in the end (delta: 2.5MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2023-11-19 03:13:40,817 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 73.4MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:13:40,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.58ms. Allocated memory is still 100.7MB. Free memory was 76.5MB in the beginning and 64.9MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:13:40,818 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.74ms. Allocated memory is still 100.7MB. Free memory was 64.9MB in the beginning and 63.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:13:40,818 INFO L158 Benchmark]: Boogie Preprocessor took 64.33ms. Allocated memory is still 100.7MB. Free memory was 63.2MB in the beginning and 61.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:13:40,819 INFO L158 Benchmark]: RCFGBuilder took 534.57ms. Allocated memory is still 100.7MB. Free memory was 61.8MB in the beginning and 71.1MB in the end (delta: -9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:13:40,819 INFO L158 Benchmark]: CodeCheck took 1074.93ms. Allocated memory is still 100.7MB. Free memory was 71.1MB in the beginning and 76.7MB in the end (delta: -5.7MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2023-11-19 03:13:40,820 INFO L158 Benchmark]: Witness Printer took 91.57ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 74.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:13:40,822 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: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 13 NumberOfNonLiveVariables, 34 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - CounterExampleResult [Line: 22]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L27] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L28] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L30] const SORT_1 var_10 = 1; [L31] const SORT_1 var_13 = 0; [L33] SORT_1 input_2; [L35] SORT_1 state_3 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L36] SORT_1 state_4 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L37] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L39] SORT_1 init_12_arg_1 = var_10; [L40] state_11 = init_12_arg_1 VAL [init_12_arg_1=1, mask_SORT_1=1, msb_SORT_1=1, state_11=1, state_3=0, state_4=1, var_10=1, var_13=0] [L43] input_2 = __VERIFIER_nondet_uchar() [L44] input_2 = input_2 & mask_SORT_1 [L46] SORT_1 var_9_arg_0 = state_3; [L47] SORT_1 var_9_arg_1 = state_4; [L48] SORT_1 var_9 = var_9_arg_0 == var_9_arg_1; [L49] SORT_1 var_15_arg_0 = state_11; [L50] SORT_1 var_15_arg_1 = ~var_9; [L51] var_15_arg_1 = var_15_arg_1 & mask_SORT_1 [L52] SORT_1 var_15 = !var_15_arg_0 || var_15_arg_1; [L53] SORT_1 constr_16_arg_0 = var_15; [L54] CALL assume_abort_if_not(constr_16_arg_0) [L23] COND FALSE !(!cond) [L54] RET assume_abort_if_not(constr_16_arg_0) [L56] SORT_1 bad_17_arg_0 = var_9; [L57] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L22] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L57] RET __VERIFIER_assert(!(bad_17_arg_0)) [L59] SORT_1 var_5_arg_0 = ~input_2; [L60] var_5_arg_0 = var_5_arg_0 & mask_SORT_1 [L61] SORT_1 var_5_arg_1 = ~state_3; [L62] var_5_arg_1 = var_5_arg_1 & mask_SORT_1 [L63] SORT_1 var_5_arg_2 = state_3; [L64] SORT_1 var_5 = var_5_arg_0 ? var_5_arg_1 : var_5_arg_2; [L65] var_5 = var_5 & mask_SORT_1 [L66] SORT_1 next_7_arg_1 = var_5; [L67] SORT_1 var_6_arg_0 = input_2; [L68] SORT_1 var_6_arg_1 = ~state_4; [L69] var_6_arg_1 = var_6_arg_1 & mask_SORT_1 [L70] SORT_1 var_6_arg_2 = state_4; [L71] SORT_1 var_6 = var_6_arg_0 ? var_6_arg_1 : var_6_arg_2; [L72] var_6 = var_6 & mask_SORT_1 [L73] SORT_1 next_8_arg_1 = var_6; [L74] SORT_1 next_14_arg_1 = var_13; [L76] state_3 = next_7_arg_1 [L77] state_4 = next_8_arg_1 [L78] state_11 = next_14_arg_1 VAL [bad_17_arg_0=0, constr_16_arg_0=1, init_12_arg_1=1, input_2=1, mask_SORT_1=1, msb_SORT_1=1, next_14_arg_1=0, next_7_arg_1=0, next_8_arg_1=0, state_11=0, state_3=0, state_4=0, var_10=1, var_13=0, var_15=1, var_15_arg_0=1, var_15_arg_1=1, var_5=0, var_5_arg_0=0, var_5_arg_1=1, var_5_arg_2=0, var_6=0, var_6_arg_0=1, var_6_arg_1=0, var_6_arg_2=1, var_9=0, var_9_arg_0=0, var_9_arg_1=1] [L43] input_2 = __VERIFIER_nondet_uchar() [L44] input_2 = input_2 & mask_SORT_1 [L46] SORT_1 var_9_arg_0 = state_3; [L47] SORT_1 var_9_arg_1 = state_4; [L48] SORT_1 var_9 = var_9_arg_0 == var_9_arg_1; [L49] SORT_1 var_15_arg_0 = state_11; [L50] SORT_1 var_15_arg_1 = ~var_9; [L51] var_15_arg_1 = var_15_arg_1 & mask_SORT_1 [L52] SORT_1 var_15 = !var_15_arg_0 || var_15_arg_1; [L53] SORT_1 constr_16_arg_0 = var_15; [L54] CALL assume_abort_if_not(constr_16_arg_0) [L23] COND FALSE !(!cond) [L54] RET assume_abort_if_not(constr_16_arg_0) [L56] SORT_1 bad_17_arg_0 = var_9; [L57] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L22] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L22] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 73.4MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.58ms. Allocated memory is still 100.7MB. Free memory was 76.5MB in the beginning and 64.9MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.74ms. Allocated memory is still 100.7MB. Free memory was 64.9MB in the beginning and 63.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.33ms. Allocated memory is still 100.7MB. Free memory was 63.2MB in the beginning and 61.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 534.57ms. Allocated memory is still 100.7MB. Free memory was 61.8MB in the beginning and 71.1MB in the end (delta: -9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1074.93ms. Allocated memory is still 100.7MB. Free memory was 71.1MB in the beginning and 76.7MB in the end (delta: -5.7MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * Witness Printer took 91.57ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 74.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 03:13:40,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a6059b3-aa87-490d-ba90-a60d578bb972/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE