./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-5.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_00557f5d-63a2-44a7-a925-6e14871b48ff/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00557f5d-63a2-44a7-a925-6e14871b48ff/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_00557f5d-63a2-44a7-a925-6e14871b48ff/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00557f5d-63a2-44a7-a925-6e14871b48ff/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00557f5d-63a2-44a7-a925-6e14871b48ff/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_00557f5d-63a2-44a7-a925-6e14871b48ff/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 ef6497bb448d9a320776973de65f322a5dd7ce0e422c6531ce8baf2751ae72d5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:07:12,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:07:12,453 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00557f5d-63a2-44a7-a925-6e14871b48ff/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:07:12,459 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:07:12,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:07:12,484 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:07:12,485 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:07:12,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:07:12,487 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:07:12,487 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:07:12,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:07:12,489 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:07:12,490 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:07:12,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:07:12,491 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:07:12,492 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:07:12,492 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:07:12,493 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:07:12,494 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:07:12,494 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:07:12,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:07:12,496 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:07:12,497 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:07:12,497 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:07:12,498 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:07:12,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:07:12,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:12,500 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:07:12,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:07:12,502 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:07:12,502 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:07:12,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:07:12,503 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:07:12,504 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_00557f5d-63a2-44a7-a925-6e14871b48ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00557f5d-63a2-44a7-a925-6e14871b48ff/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef6497bb448d9a320776973de65f322a5dd7ce0e422c6531ce8baf2751ae72d5 [2023-11-19 03:07:12,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:07:12,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:07:12,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:07:12,834 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:07:12,855 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:07:12,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00557f5d-63a2-44a7-a925-6e14871b48ff/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-5.i [2023-11-19 03:07:16,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:07:16,442 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:07:16,443 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00557f5d-63a2-44a7-a925-6e14871b48ff/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-5.i [2023-11-19 03:07:16,452 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00557f5d-63a2-44a7-a925-6e14871b48ff/bin/ukojak-verify-G8NBE6pJGL/data/572ff4be2/b385197ccf104bdab7f21d711a9ea7ec/FLAG80e134430 [2023-11-19 03:07:16,467 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00557f5d-63a2-44a7-a925-6e14871b48ff/bin/ukojak-verify-G8NBE6pJGL/data/572ff4be2/b385197ccf104bdab7f21d711a9ea7ec [2023-11-19 03:07:16,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:07:16,472 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:07:16,474 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:16,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:07:16,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:07:16,481 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:16" (1/1) ... [2023-11-19 03:07:16,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bccb7c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:16, skipping insertion in model container [2023-11-19 03:07:16,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:16" (1/1) ... [2023-11-19 03:07:16,513 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:07:16,732 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_00557f5d-63a2-44a7-a925-6e14871b48ff/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-5.i[915,928] [2023-11-19 03:07:16,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:16,836 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:07:16,850 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_00557f5d-63a2-44a7-a925-6e14871b48ff/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-5.i[915,928] [2023-11-19 03:07:16,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:16,974 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:07:16,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:16 WrapperNode [2023-11-19 03:07:16,975 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:16,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:16,976 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:07:16,977 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:07:16,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:16" (1/1) ... [2023-11-19 03:07:17,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:16" (1/1) ... [2023-11-19 03:07:17,099 INFO L138 Inliner]: procedures = 26, calls = 154, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 361 [2023-11-19 03:07:17,099 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:17,100 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:07:17,100 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:07:17,101 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:07:17,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:16" (1/1) ... [2023-11-19 03:07:17,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:16" (1/1) ... [2023-11-19 03:07:17,122 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:16" (1/1) ... [2023-11-19 03:07:17,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:16" (1/1) ... [2023-11-19 03:07:17,153 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:16" (1/1) ... [2023-11-19 03:07:17,171 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:16" (1/1) ... [2023-11-19 03:07:17,177 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:16" (1/1) ... [2023-11-19 03:07:17,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:16" (1/1) ... [2023-11-19 03:07:17,207 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:07:17,208 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:07:17,208 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:07:17,209 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:07:17,210 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:16" (1/1) ... [2023-11-19 03:07:17,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:17,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00557f5d-63a2-44a7-a925-6e14871b48ff/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:07:17,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00557f5d-63a2-44a7-a925-6e14871b48ff/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:07:17,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00557f5d-63a2-44a7-a925-6e14871b48ff/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:07:17,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:07:17,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:07:17,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:07:17,360 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:07:17,361 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:07:17,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:07:17,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:07:17,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:07:17,545 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:07:17,549 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:07:18,342 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:07:19,586 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:07:19,587 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:07:19,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:19 BoogieIcfgContainer [2023-11-19 03:07:19,609 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:07:19,610 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:07:19,610 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:07:19,624 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:07:19,625 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:19" (1/1) ... [2023-11-19 03:07:19,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:07:19,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:19,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 49 states and 69 transitions. [2023-11-19 03:07:19,742 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2023-11-19 03:07:19,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 03:07:19,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:19,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:21,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 122 conjunts are in the unsatisfiable core [2023-11-19 03:07:21,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:21,569 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:07:21,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 33 [2023-11-19 03:07:21,895 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:07:21,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 33 [2023-11-19 03:07:22,174 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:07:22,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 33 [2023-11-19 03:07:22,511 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:07:22,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 33 [2023-11-19 03:07:22,774 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:07:22,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 33 [2023-11-19 03:07:23,175 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:07:23,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 45 [2023-11-19 03:07:23,656 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:07:23,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 45 [2023-11-19 03:07:24,291 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:07:24,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 58 treesize of output 58 [2023-11-19 03:07:24,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 70 [2023-11-19 03:07:29,512 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 263 proven. 17 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 03:07:32,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:32,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 89 states and 160 transitions. [2023-11-19 03:07:32,027 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 160 transitions. [2023-11-19 03:07:32,031 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:07:32,031 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-11-19 03:07:32,040 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:07:32,071 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:07:32,076 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:07:32,076 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:07:32,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:07:32 ImpRootNode [2023-11-19 03:07:32,077 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:07:32,078 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:07:32,078 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:07:32,078 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:07:32,079 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:19" (3/4) ... [2023-11-19 03:07:32,081 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:07:32,085 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-19 03:07:32,095 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2023-11-19 03:07:32,096 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-19 03:07:32,098 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 03:07:32,099 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 03:07:32,275 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00557f5d-63a2-44a7-a925-6e14871b48ff/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:07:32,276 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00557f5d-63a2-44a7-a925-6e14871b48ff/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:07:32,276 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:07:32,277 INFO L158 Benchmark]: Toolchain (without parser) took 15805.16ms. Allocated memory was 174.1MB in the beginning and 383.8MB in the end (delta: 209.7MB). Free memory was 125.3MB in the beginning and 276.5MB in the end (delta: -151.2MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. [2023-11-19 03:07:32,278 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 174.1MB. Free memory was 143.6MB in the beginning and 143.6MB in the end (delta: 29.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:32,278 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.03ms. Allocated memory is still 174.1MB. Free memory was 125.3MB in the beginning and 109.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:07:32,279 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.28ms. Allocated memory is still 174.1MB. Free memory was 108.5MB in the beginning and 104.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:07:32,279 INFO L158 Benchmark]: Boogie Preprocessor took 107.09ms. Allocated memory is still 174.1MB. Free memory was 104.3MB in the beginning and 101.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:07:32,280 INFO L158 Benchmark]: RCFGBuilder took 2400.77ms. Allocated memory was 174.1MB in the beginning and 257.9MB in the end (delta: 83.9MB). Free memory was 101.2MB in the beginning and 189.5MB in the end (delta: -88.3MB). Peak memory consumption was 94.2MB. Max. memory is 16.1GB. [2023-11-19 03:07:32,280 INFO L158 Benchmark]: CodeCheck took 12467.14ms. Allocated memory was 257.9MB in the beginning and 383.8MB in the end (delta: 125.8MB). Free memory was 189.5MB in the beginning and 287.0MB in the end (delta: -97.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-19 03:07:32,280 INFO L158 Benchmark]: Witness Printer took 199.11ms. Allocated memory is still 383.8MB. Free memory was 287.0MB in the beginning and 276.5MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 03:07:32,284 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, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 112 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 71 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 226 IncrementalHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 71 mSolverCounterUnsat, 72 mSDtfsCounter, 226 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 656 GetRequests, 620 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 3564 SizeOfPredicates, 24 NumberOfNonLiveVariables, 361 ConjunctsInSsa, 122 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 363/380 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: 115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: 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 0.27ms. Allocated memory is still 174.1MB. Free memory was 143.6MB in the beginning and 143.6MB in the end (delta: 29.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.03ms. Allocated memory is still 174.1MB. Free memory was 125.3MB in the beginning and 109.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.28ms. Allocated memory is still 174.1MB. Free memory was 108.5MB in the beginning and 104.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.09ms. Allocated memory is still 174.1MB. Free memory was 104.3MB in the beginning and 101.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2400.77ms. Allocated memory was 174.1MB in the beginning and 257.9MB in the end (delta: 83.9MB). Free memory was 101.2MB in the beginning and 189.5MB in the end (delta: -88.3MB). Peak memory consumption was 94.2MB. Max. memory is 16.1GB. * CodeCheck took 12467.14ms. Allocated memory was 257.9MB in the beginning and 383.8MB in the end (delta: 125.8MB). Free memory was 189.5MB in the beginning and 287.0MB in the end (delta: -97.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 199.11ms. Allocated memory is still 383.8MB. Free memory was 287.0MB in the beginning and 276.5MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:07:32,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00557f5d-63a2-44a7-a925-6e14871b48ff/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