./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Dekker.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_dbabe08b-5082-4388-a84a-c46ec6db13d4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbabe08b-5082-4388-a84a-c46ec6db13d4/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_dbabe08b-5082-4388-a84a-c46ec6db13d4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbabe08b-5082-4388-a84a-c46ec6db13d4/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Dekker.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbabe08b-5082-4388-a84a-c46ec6db13d4/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_dbabe08b-5082-4388-a84a-c46ec6db13d4/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 8791e8404b61fad2ee3b1ec99bcf7c832e8cc2222e41f2d067d453aff63c4fad --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:30:29,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:30:29,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbabe08b-5082-4388-a84a-c46ec6db13d4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 03:30:29,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:30:29,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:30:29,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:30:29,479 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:30:29,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:30:29,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:30:29,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:30:29,487 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:30:29,487 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:30:29,488 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:30:29,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:30:29,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:30:29,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:30:29,491 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:30:29,491 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:30:29,492 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:30:29,492 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:30:29,493 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:30:29,493 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:30:29,494 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:30:29,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:29,497 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:30:29,497 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:30:29,497 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:30:29,498 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:30:29,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:30:29,499 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:30:29,500 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_dbabe08b-5082-4388-a84a-c46ec6db13d4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbabe08b-5082-4388-a84a-c46ec6db13d4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8791e8404b61fad2ee3b1ec99bcf7c832e8cc2222e41f2d067d453aff63c4fad [2023-11-19 03:30:29,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:30:29,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:30:29,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:30:29,911 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:30:29,912 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:30:29,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbabe08b-5082-4388-a84a-c46ec6db13d4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Dekker.c [2023-11-19 03:30:32,984 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:30:33,345 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:30:33,346 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbabe08b-5082-4388-a84a-c46ec6db13d4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Dekker.c [2023-11-19 03:30:33,372 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbabe08b-5082-4388-a84a-c46ec6db13d4/bin/ukojak-verify-G8NBE6pJGL/data/68eaeda9e/95511aabe33040e98d5ffd72596327d1/FLAG70a6724a8 [2023-11-19 03:30:33,387 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbabe08b-5082-4388-a84a-c46ec6db13d4/bin/ukojak-verify-G8NBE6pJGL/data/68eaeda9e/95511aabe33040e98d5ffd72596327d1 [2023-11-19 03:30:33,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:30:33,399 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:30:33,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:33,401 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:30:33,406 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:30:33,407 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:33" (1/1) ... [2023-11-19 03:30:33,408 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ed1155b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:33, skipping insertion in model container [2023-11-19 03:30:33,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:33" (1/1) ... [2023-11-19 03:30:33,486 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:30:33,722 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_dbabe08b-5082-4388-a84a-c46ec6db13d4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Dekker.c[1248,1261] [2023-11-19 03:30:34,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:34,085 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:30:34,095 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_dbabe08b-5082-4388-a84a-c46ec6db13d4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Dekker.c[1248,1261] [2023-11-19 03:30:34,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:34,282 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:30:34,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:34 WrapperNode [2023-11-19 03:30:34,282 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:34,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:34,284 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:30:34,284 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:30:34,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:34" (1/1) ... [2023-11-19 03:30:34,348 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:34" (1/1) ... [2023-11-19 03:30:34,696 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2219 [2023-11-19 03:30:34,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:34,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:30:34,697 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:30:34,697 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:30:34,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:34" (1/1) ... [2023-11-19 03:30:34,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:34" (1/1) ... [2023-11-19 03:30:34,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:34" (1/1) ... [2023-11-19 03:30:34,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:34" (1/1) ... [2023-11-19 03:30:34,989 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:34" (1/1) ... [2023-11-19 03:30:35,015 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:34" (1/1) ... [2023-11-19 03:30:35,058 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:34" (1/1) ... [2023-11-19 03:30:35,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:34" (1/1) ... [2023-11-19 03:30:35,151 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:30:35,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:30:35,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:30:35,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:30:35,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:34" (1/1) ... [2023-11-19 03:30:35,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:35,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbabe08b-5082-4388-a84a-c46ec6db13d4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:30:35,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbabe08b-5082-4388-a84a-c46ec6db13d4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:30:35,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbabe08b-5082-4388-a84a-c46ec6db13d4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:30:35,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:30:35,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:30:35,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:30:35,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:30:35,530 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:30:35,532 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:30:37,540 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:30:40,951 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:30:40,952 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:30:40,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:40 BoogieIcfgContainer [2023-11-19 03:30:40,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:30:40,959 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:30:40,959 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:30:40,971 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:30:40,971 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:40" (1/1) ... [2023-11-19 03:30:40,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:30:41,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:41,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 03:30:41,054 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 03:30:41,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:30:41,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:41,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:43,149 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 03:30:53,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:31:03,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:31:03,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:03,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2023-11-19 03:31:03,774 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2023-11-19 03:31:03,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:31:03,775 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-11-19 03:31:03,783 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:31:03,802 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2023-11-19 03:31:03,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:31:03 ImpRootNode [2023-11-19 03:31:03,810 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:31:03,811 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:31:03,811 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:31:03,811 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:31:03,812 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:40" (3/4) ... [2023-11-19 03:31:03,814 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:31:03,858 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 284 nodes and edges [2023-11-19 03:31:03,864 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2023-11-19 03:31:03,870 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-19 03:31:03,878 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 03:31:04,245 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbabe08b-5082-4388-a84a-c46ec6db13d4/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:31:04,245 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbabe08b-5082-4388-a84a-c46ec6db13d4/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:31:04,246 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:31:04,246 INFO L158 Benchmark]: Toolchain (without parser) took 30848.55ms. Allocated memory was 190.8MB in the beginning and 694.2MB in the end (delta: 503.3MB). Free memory was 162.0MB in the beginning and 536.1MB in the end (delta: -374.1MB). Peak memory consumption was 129.3MB. Max. memory is 16.1GB. [2023-11-19 03:31:04,247 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 132.1MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:31:04,247 INFO L158 Benchmark]: CACSL2BoogieTranslator took 882.10ms. Allocated memory is still 190.8MB. Free memory was 161.1MB in the beginning and 119.3MB in the end (delta: 41.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 03:31:04,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 413.23ms. Allocated memory is still 190.8MB. Free memory was 119.3MB in the beginning and 132.9MB in the end (delta: -13.5MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2023-11-19 03:31:04,248 INFO L158 Benchmark]: Boogie Preprocessor took 454.24ms. Allocated memory is still 190.8MB. Free memory was 132.9MB in the beginning and 120.4MB in the end (delta: 12.5MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2023-11-19 03:31:04,249 INFO L158 Benchmark]: RCFGBuilder took 5805.15ms. Allocated memory was 190.8MB in the beginning and 694.2MB in the end (delta: 503.3MB). Free memory was 120.4MB in the beginning and 515.1MB in the end (delta: -394.8MB). Peak memory consumption was 223.3MB. Max. memory is 16.1GB. [2023-11-19 03:31:04,249 INFO L158 Benchmark]: CodeCheck took 22850.84ms. Allocated memory is still 694.2MB. Free memory was 515.1MB in the beginning and 571.8MB in the end (delta: -56.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:31:04,249 INFO L158 Benchmark]: Witness Printer took 435.16ms. Allocated memory is still 694.2MB. Free memory was 571.8MB in the beginning and 536.1MB in the end (delta: 35.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 03:31:04,251 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: 22.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 20.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 20.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 1 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: (((var_13 == 5) && (var_15 == 1)) && (state_9 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 132.1MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 882.10ms. Allocated memory is still 190.8MB. Free memory was 161.1MB in the beginning and 119.3MB in the end (delta: 41.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 413.23ms. Allocated memory is still 190.8MB. Free memory was 119.3MB in the beginning and 132.9MB in the end (delta: -13.5MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 454.24ms. Allocated memory is still 190.8MB. Free memory was 132.9MB in the beginning and 120.4MB in the end (delta: 12.5MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * RCFGBuilder took 5805.15ms. Allocated memory was 190.8MB in the beginning and 694.2MB in the end (delta: 503.3MB). Free memory was 120.4MB in the beginning and 515.1MB in the end (delta: -394.8MB). Peak memory consumption was 223.3MB. Max. memory is 16.1GB. * CodeCheck took 22850.84ms. Allocated memory is still 694.2MB. Free memory was 515.1MB in the beginning and 571.8MB in the end (delta: -56.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 435.16ms. Allocated memory is still 694.2MB. Free memory was 571.8MB in the beginning and 536.1MB in the end (delta: 35.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:31:04,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbabe08b-5082-4388-a84a-c46ec6db13d4/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 Result: TRUE