./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-59.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_bce2c311-f2c5-462f-89d1-3ce568dc9c38/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce2c311-f2c5-462f-89d1-3ce568dc9c38/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_bce2c311-f2c5-462f-89d1-3ce568dc9c38/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce2c311-f2c5-462f-89d1-3ce568dc9c38/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce2c311-f2c5-462f-89d1-3ce568dc9c38/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_bce2c311-f2c5-462f-89d1-3ce568dc9c38/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 6c385b852b90f82574c09ce3a5a40d3e4c1ceeeb1354f53e9c25575a34d805b6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:28:10,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:28:10,843 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce2c311-f2c5-462f-89d1-3ce568dc9c38/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:28:10,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:28:10,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:28:10,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:28:10,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:28:10,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:28:10,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:28:10,892 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:28:10,893 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:28:10,894 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:28:10,894 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:28:10,895 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:28:10,896 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:28:10,896 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:28:10,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:28:10,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:28:10,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:28:10,899 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:28:10,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:28:10,900 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:28:10,901 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:28:10,902 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:28:10,902 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:28:10,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:28:10,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:10,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:28:10,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:28:10,905 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:28:10,906 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:28:10,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:28:10,907 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:28:10,907 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_bce2c311-f2c5-462f-89d1-3ce568dc9c38/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce2c311-f2c5-462f-89d1-3ce568dc9c38/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c385b852b90f82574c09ce3a5a40d3e4c1ceeeb1354f53e9c25575a34d805b6 [2023-11-19 03:28:11,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:28:11,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:28:11,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:28:11,345 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:28:11,346 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:28:11,348 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce2c311-f2c5-462f-89d1-3ce568dc9c38/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-59.i [2023-11-19 03:28:14,451 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:28:14,794 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:28:14,795 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce2c311-f2c5-462f-89d1-3ce568dc9c38/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-59.i [2023-11-19 03:28:14,817 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce2c311-f2c5-462f-89d1-3ce568dc9c38/bin/ukojak-verify-G8NBE6pJGL/data/d6d99eb25/424cc42e6bf2427aa0d1f7abbc3260fd/FLAGd9f5bd94a [2023-11-19 03:28:14,854 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce2c311-f2c5-462f-89d1-3ce568dc9c38/bin/ukojak-verify-G8NBE6pJGL/data/d6d99eb25/424cc42e6bf2427aa0d1f7abbc3260fd [2023-11-19 03:28:14,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:28:14,862 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:28:14,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:14,864 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:28:14,873 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:28:14,874 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:14" (1/1) ... [2023-11-19 03:28:14,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60f7c5b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:14, skipping insertion in model container [2023-11-19 03:28:14,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:14" (1/1) ... [2023-11-19 03:28:14,914 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:28:15,064 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_bce2c311-f2c5-462f-89d1-3ce568dc9c38/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-59.i[916,929] [2023-11-19 03:28:15,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:15,137 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:28:15,151 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_bce2c311-f2c5-462f-89d1-3ce568dc9c38/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-59.i[916,929] [2023-11-19 03:28:15,186 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:15,211 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:28:15,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15 WrapperNode [2023-11-19 03:28:15,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:15,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:15,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:28:15,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:28:15,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ... [2023-11-19 03:28:15,236 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ... [2023-11-19 03:28:15,290 INFO L138 Inliner]: procedures = 26, calls = 126, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 308 [2023-11-19 03:28:15,291 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:15,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:28:15,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:28:15,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:28:15,304 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ... [2023-11-19 03:28:15,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ... [2023-11-19 03:28:15,310 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ... [2023-11-19 03:28:15,310 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ... [2023-11-19 03:28:15,328 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ... [2023-11-19 03:28:15,333 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ... [2023-11-19 03:28:15,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ... [2023-11-19 03:28:15,338 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ... [2023-11-19 03:28:15,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:28:15,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:28:15,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:28:15,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:28:15,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:15" (1/1) ... [2023-11-19 03:28:15,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:15,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce2c311-f2c5-462f-89d1-3ce568dc9c38/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:28:15,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce2c311-f2c5-462f-89d1-3ce568dc9c38/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:28:15,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce2c311-f2c5-462f-89d1-3ce568dc9c38/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:28:15,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:28:15,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:28:15,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:28:15,437 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:28:15,437 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:28:15,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:28:15,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:28:15,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:28:15,543 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:28:15,545 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:28:16,038 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:28:16,617 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:28:16,618 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:28:16,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:16 BoogieIcfgContainer [2023-11-19 03:28:16,624 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:28:16,626 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:28:16,626 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:28:16,637 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:28:16,637 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:16" (1/1) ... [2023-11-19 03:28:16,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:28:16,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:16,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2023-11-19 03:28:16,709 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2023-11-19 03:28:16,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 03:28:16,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:16,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:17,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 86 conjunts are in the unsatisfiable core [2023-11-19 03:28:17,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:17,605 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:28:17,606 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 52 treesize of output 49 [2023-11-19 03:28:17,983 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 0 case distinctions, treesize of input 52 treesize of output 49 [2023-11-19 03:28:18,482 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:28:18,483 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 59 treesize of output 59 [2023-11-19 03:28:18,815 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:28:18,816 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 59 treesize of output 59 [2023-11-19 03:28:19,148 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:28:19,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 52 [2023-11-19 03:28:19,606 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:28:19,607 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 57 treesize of output 57 [2023-11-19 03:28:19,909 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:28:19,910 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 57 treesize of output 57 [2023-11-19 03:28:20,242 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:28:20,243 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 57 treesize of output 57 [2023-11-19 03:28:20,562 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:28:20,562 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 57 treesize of output 57 [2023-11-19 03:28:24,144 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 57 proven. 175 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-11-19 03:28:26,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:26,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 81 states and 174 transitions. [2023-11-19 03:28:26,076 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 174 transitions. [2023-11-19 03:28:26,080 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:28:26,080 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-11-19 03:28:26,089 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:28:26,119 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:28:26,123 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:28:26,123 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:28:26,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:28:26 ImpRootNode [2023-11-19 03:28:26,124 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:28:26,125 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:28:26,125 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:28:26,125 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:28:26,126 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:16" (3/4) ... [2023-11-19 03:28:26,128 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:28:26,132 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-19 03:28:26,141 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2023-11-19 03:28:26,142 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-19 03:28:26,144 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 03:28:26,145 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:28:26,332 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce2c311-f2c5-462f-89d1-3ce568dc9c38/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:28:26,332 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce2c311-f2c5-462f-89d1-3ce568dc9c38/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:28:26,332 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:28:26,333 INFO L158 Benchmark]: Toolchain (without parser) took 11470.55ms. Allocated memory was 161.5MB in the beginning and 369.1MB in the end (delta: 207.6MB). Free memory was 131.9MB in the beginning and 282.9MB in the end (delta: -151.0MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2023-11-19 03:28:26,333 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 123.7MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:28:26,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.97ms. Allocated memory is still 161.5MB. Free memory was 131.3MB in the beginning and 117.3MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:28:26,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.77ms. Allocated memory is still 161.5MB. Free memory was 117.3MB in the beginning and 114.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:28:26,334 INFO L158 Benchmark]: Boogie Preprocessor took 51.75ms. Allocated memory is still 161.5MB. Free memory was 114.1MB in the beginning and 112.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:28:26,335 INFO L158 Benchmark]: RCFGBuilder took 1279.96ms. Allocated memory is still 161.5MB. Free memory was 111.5MB in the beginning and 127.2MB in the end (delta: -15.7MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2023-11-19 03:28:26,335 INFO L158 Benchmark]: CodeCheck took 9498.44ms. Allocated memory was 161.5MB in the beginning and 369.1MB in the end (delta: 207.6MB). Free memory was 127.2MB in the beginning and 292.3MB in the end (delta: -165.0MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2023-11-19 03:28:26,336 INFO L158 Benchmark]: Witness Printer took 207.63ms. Allocated memory is still 369.1MB. Free memory was 291.3MB in the beginning and 282.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 03:28:26,338 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, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 84 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 85 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 266 IncrementalHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 49 mSDtfsCounter, 266 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 626 GetRequests, 604 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 4328 SizeOfPredicates, 16 NumberOfNonLiveVariables, 341 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 131/306 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: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 108]: 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 0.35ms. Allocated memory is still 123.7MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.97ms. Allocated memory is still 161.5MB. Free memory was 131.3MB in the beginning and 117.3MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.77ms. Allocated memory is still 161.5MB. Free memory was 117.3MB in the beginning and 114.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.75ms. Allocated memory is still 161.5MB. Free memory was 114.1MB in the beginning and 112.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1279.96ms. Allocated memory is still 161.5MB. Free memory was 111.5MB in the beginning and 127.2MB in the end (delta: -15.7MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. * CodeCheck took 9498.44ms. Allocated memory was 161.5MB in the beginning and 369.1MB in the end (delta: 207.6MB). Free memory was 127.2MB in the beginning and 292.3MB in the end (delta: -165.0MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. * Witness Printer took 207.63ms. Allocated memory is still 369.1MB. Free memory was 291.3MB in the beginning and 282.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:28:26,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce2c311-f2c5-462f-89d1-3ce568dc9c38/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