./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-87.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c105423-5b1d-46e0-87d4-41dd35a152bf/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c105423-5b1d-46e0-87d4-41dd35a152bf/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_5c105423-5b1d-46e0-87d4-41dd35a152bf/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c105423-5b1d-46e0-87d4-41dd35a152bf/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-87.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c105423-5b1d-46e0-87d4-41dd35a152bf/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c105423-5b1d-46e0-87d4-41dd35a152bf/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 32bit --witnessprinter.graph.data.programhash 35d5d98b2de2e0b78fe3c9610b248d897f0c998920a2ad434c7b6ace2f6d7db4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:43:23,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:43:23,698 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c105423-5b1d-46e0-87d4-41dd35a152bf/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:43:23,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:43:23,705 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:43:23,732 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:43:23,733 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:43:23,733 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:43:23,734 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:43:23,735 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:43:23,736 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:43:23,736 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:43:23,737 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:43:23,737 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:43:23,738 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:43:23,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:43:23,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:43:23,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:43:23,740 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:43:23,740 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:43:23,749 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:43:23,749 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:43:23,750 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:43:23,750 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:43:23,750 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:43:23,751 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:43:23,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:43:23,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:43:23,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:43:23,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:43:23,753 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:43:23,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:43:23,754 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:43:23,754 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_5c105423-5b1d-46e0-87d4-41dd35a152bf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c105423-5b1d-46e0-87d4-41dd35a152bf/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35d5d98b2de2e0b78fe3c9610b248d897f0c998920a2ad434c7b6ace2f6d7db4 [2023-11-19 03:43:24,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:43:24,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:43:24,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:43:24,141 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:43:24,142 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:43:24,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c105423-5b1d-46e0-87d4-41dd35a152bf/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-87.i [2023-11-19 03:43:27,680 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:43:27,961 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:43:27,962 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c105423-5b1d-46e0-87d4-41dd35a152bf/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-87.i [2023-11-19 03:43:27,972 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c105423-5b1d-46e0-87d4-41dd35a152bf/bin/ukojak-verify-G8NBE6pJGL/data/7fbc76f82/47ff21537f094eef8f48522db7c2d0bd/FLAG5071f334c [2023-11-19 03:43:27,989 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c105423-5b1d-46e0-87d4-41dd35a152bf/bin/ukojak-verify-G8NBE6pJGL/data/7fbc76f82/47ff21537f094eef8f48522db7c2d0bd [2023-11-19 03:43:27,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:43:27,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:43:27,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:43:27,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:43:28,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:43:28,004 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:27" (1/1) ... [2023-11-19 03:43:28,005 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4001af83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:28, skipping insertion in model container [2023-11-19 03:43:28,005 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:27" (1/1) ... [2023-11-19 03:43:28,040 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:43:28,233 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_5c105423-5b1d-46e0-87d4-41dd35a152bf/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-87.i[916,929] [2023-11-19 03:43:28,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:43:28,308 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:43:28,323 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_5c105423-5b1d-46e0-87d4-41dd35a152bf/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-87.i[916,929] [2023-11-19 03:43:28,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:43:28,392 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:43:28,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:28 WrapperNode [2023-11-19 03:43:28,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:43:28,394 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:43:28,395 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:43:28,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:43:28,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:28" (1/1) ... [2023-11-19 03:43:28,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:28" (1/1) ... [2023-11-19 03:43:28,468 INFO L138 Inliner]: procedures = 26, calls = 145, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 353 [2023-11-19 03:43:28,468 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:43:28,469 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:43:28,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:43:28,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:43:28,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:28" (1/1) ... [2023-11-19 03:43:28,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:28" (1/1) ... [2023-11-19 03:43:28,490 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:28" (1/1) ... [2023-11-19 03:43:28,491 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:28" (1/1) ... [2023-11-19 03:43:28,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:28" (1/1) ... [2023-11-19 03:43:28,531 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:28" (1/1) ... [2023-11-19 03:43:28,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:28" (1/1) ... [2023-11-19 03:43:28,538 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:28" (1/1) ... [2023-11-19 03:43:28,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:43:28,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:43:28,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:43:28,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:43:28,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:28" (1/1) ... [2023-11-19 03:43:28,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:43:28,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c105423-5b1d-46e0-87d4-41dd35a152bf/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:43:28,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c105423-5b1d-46e0-87d4-41dd35a152bf/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:43:28,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c105423-5b1d-46e0-87d4-41dd35a152bf/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:43:28,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:43:28,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:43:28,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:43:28,640 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:43:28,641 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:43:28,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:43:28,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:43:28,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:43:28,769 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:43:28,772 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:43:29,329 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:43:30,354 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:43:30,354 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:43:30,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:30 BoogieIcfgContainer [2023-11-19 03:43:30,360 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:43:30,361 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:43:30,361 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:43:30,372 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:43:30,372 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:30" (1/1) ... [2023-11-19 03:43:30,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:43:30,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:30,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 37 states and 51 transitions. [2023-11-19 03:43:30,454 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2023-11-19 03:43:30,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:43:30,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:30,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:31,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 91 conjunts are in the unsatisfiable core [2023-11-19 03:43:31,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:43:32,084 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:43:32,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 13 [2023-11-19 03:43:32,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 03:43:32,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-19 03:43:32,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-19 03:43:32,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-19 03:43:32,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-19 03:43:32,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-19 03:43:37,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 66 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 325 treesize of output 286 [2023-11-19 03:43:42,985 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 91 proven. 19 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 03:43:45,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:45,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 65 states and 119 transitions. [2023-11-19 03:43:45,323 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 119 transitions. [2023-11-19 03:43:45,327 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:43:45,327 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-11-19 03:43:45,336 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:43:45,369 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:43:45,372 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:43:45,373 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:43:45,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:43:45 ImpRootNode [2023-11-19 03:43:45,373 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:43:45,374 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:43:45,374 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:43:45,375 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:43:45,375 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:30" (3/4) ... [2023-11-19 03:43:45,377 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:43:45,382 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-19 03:43:45,395 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2023-11-19 03:43:45,397 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-19 03:43:45,398 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 03:43:45,400 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 03:43:45,595 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c105423-5b1d-46e0-87d4-41dd35a152bf/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:43:45,595 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c105423-5b1d-46e0-87d4-41dd35a152bf/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:43:45,596 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:43:45,597 INFO L158 Benchmark]: Toolchain (without parser) took 17602.23ms. Allocated memory was 192.9MB in the beginning and 564.1MB in the end (delta: 371.2MB). Free memory was 148.9MB in the beginning and 372.9MB in the end (delta: -223.9MB). Peak memory consumption was 150.4MB. Max. memory is 16.1GB. [2023-11-19 03:43:45,597 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 121.6MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:43:45,598 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.21ms. Allocated memory is still 192.9MB. Free memory was 148.9MB in the beginning and 133.5MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:43:45,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.39ms. Allocated memory is still 192.9MB. Free memory was 133.5MB in the beginning and 130.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:43:45,599 INFO L158 Benchmark]: Boogie Preprocessor took 75.50ms. Allocated memory is still 192.9MB. Free memory was 130.3MB in the beginning and 127.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:43:45,599 INFO L158 Benchmark]: RCFGBuilder took 1814.17ms. Allocated memory is still 192.9MB. Free memory was 127.3MB in the beginning and 111.1MB in the end (delta: 16.2MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2023-11-19 03:43:45,600 INFO L158 Benchmark]: CodeCheck took 15012.88ms. Allocated memory was 192.9MB in the beginning and 564.1MB in the end (delta: 371.2MB). Free memory was 111.1MB in the beginning and 383.2MB in the end (delta: -272.1MB). Peak memory consumption was 99.0MB. Max. memory is 16.1GB. [2023-11-19 03:43:45,600 INFO L158 Benchmark]: Witness Printer took 221.62ms. Allocated memory is still 564.1MB. Free memory was 383.2MB in the beginning and 372.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:43:45,603 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 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 62 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 76 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 173 IncrementalHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 48 mSDtfsCounter, 173 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 476 GetRequests, 458 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 11.1s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 868 SizeOfPredicates, 16 NumberOfNonLiveVariables, 289 ConjunctsInSsa, 91 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 163/182 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: 19]: 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: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 121.6MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.21ms. Allocated memory is still 192.9MB. Free memory was 148.9MB in the beginning and 133.5MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.39ms. Allocated memory is still 192.9MB. Free memory was 133.5MB in the beginning and 130.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.50ms. Allocated memory is still 192.9MB. Free memory was 130.3MB in the beginning and 127.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1814.17ms. Allocated memory is still 192.9MB. Free memory was 127.3MB in the beginning and 111.1MB in the end (delta: 16.2MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * CodeCheck took 15012.88ms. Allocated memory was 192.9MB in the beginning and 564.1MB in the end (delta: 371.2MB). Free memory was 111.1MB in the beginning and 383.2MB in the end (delta: -272.1MB). Peak memory consumption was 99.0MB. Max. memory is 16.1GB. * Witness Printer took 221.62ms. Allocated memory is still 564.1MB. Free memory was 383.2MB in the beginning and 372.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:43:45,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c105423-5b1d-46e0-87d4-41dd35a152bf/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