./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-12.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566c9452-ccd8-4d7b-8871-6f06a975c8f7/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566c9452-ccd8-4d7b-8871-6f06a975c8f7/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566c9452-ccd8-4d7b-8871-6f06a975c8f7/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566c9452-ccd8-4d7b-8871-6f06a975c8f7/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566c9452-ccd8-4d7b-8871-6f06a975c8f7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566c9452-ccd8-4d7b-8871-6f06a975c8f7/bin/ukojak-verify-ENZ3QT5qd3 --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 6426d30449276f41292d944281f990de88775c0c256461a4ce5af87d5d4d093f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:32:21,598 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:32:21,667 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566c9452-ccd8-4d7b-8871-6f06a975c8f7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:32:21,676 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:32:21,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:32:21,715 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:32:21,718 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:32:21,718 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:32:21,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:32:21,720 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:32:21,720 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:32:21,720 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:32:21,720 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:32:21,720 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:32:21,721 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:32:21,721 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:32:21,721 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:32:21,721 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:32:21,721 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:32:21,721 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:32:21,721 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:32:21,722 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:32:21,722 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:32:21,722 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:32:21,722 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:32:21,722 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:32:21,722 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:32:21,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:32:21,723 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:32:21,723 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:32:21,723 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:32:21,723 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:32:21,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:32:21,723 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_566c9452-ccd8-4d7b-8871-6f06a975c8f7/bin/ukojak-verify-ENZ3QT5qd3 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 -> 6426d30449276f41292d944281f990de88775c0c256461a4ce5af87d5d4d093f [2024-11-25 04:32:22,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:32:22,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:32:22,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:32:22,036 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:32:22,037 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:32:22,038 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566c9452-ccd8-4d7b-8871-6f06a975c8f7/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-12.i [2024-11-25 04:32:25,047 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566c9452-ccd8-4d7b-8871-6f06a975c8f7/bin/ukojak-verify-ENZ3QT5qd3/data/c13dcb980/e73c884b3af64b06811952e80933e5b7/FLAG76185ed82 [2024-11-25 04:32:25,427 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:32:25,428 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566c9452-ccd8-4d7b-8871-6f06a975c8f7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-12.i [2024-11-25 04:32:25,442 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566c9452-ccd8-4d7b-8871-6f06a975c8f7/bin/ukojak-verify-ENZ3QT5qd3/data/c13dcb980/e73c884b3af64b06811952e80933e5b7/FLAG76185ed82 [2024-11-25 04:32:25,679 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566c9452-ccd8-4d7b-8871-6f06a975c8f7/bin/ukojak-verify-ENZ3QT5qd3/data/c13dcb980/e73c884b3af64b06811952e80933e5b7 [2024-11-25 04:32:25,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:32:25,685 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:32:25,687 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:32:25,687 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:32:25,692 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:32:25,693 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:32:25" (1/1) ... [2024-11-25 04:32:25,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@97c373c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:25, skipping insertion in model container [2024-11-25 04:32:25,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:32:25" (1/1) ... [2024-11-25 04:32:25,722 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:32:25,916 WARN L250 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_566c9452-ccd8-4d7b-8871-6f06a975c8f7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-12.i[916,929] [2024-11-25 04:32:26,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:32:26,072 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:32:26,085 WARN L250 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_566c9452-ccd8-4d7b-8871-6f06a975c8f7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-12.i[916,929] [2024-11-25 04:32:26,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:32:26,198 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:32:26,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:26 WrapperNode [2024-11-25 04:32:26,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:32:26,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:32:26,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:32:26,202 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:32:26,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:26" (1/1) ... [2024-11-25 04:32:26,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:26" (1/1) ... [2024-11-25 04:32:26,316 INFO L138 Inliner]: procedures = 26, calls = 153, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 446 [2024-11-25 04:32:26,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:32:26,317 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:32:26,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:32:26,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:32:26,323 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:26" (1/1) ... [2024-11-25 04:32:26,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:26" (1/1) ... [2024-11-25 04:32:26,329 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:26" (1/1) ... [2024-11-25 04:32:26,329 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:26" (1/1) ... [2024-11-25 04:32:26,349 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:26" (1/1) ... [2024-11-25 04:32:26,351 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:26" (1/1) ... [2024-11-25 04:32:26,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:26" (1/1) ... [2024-11-25 04:32:26,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:26" (1/1) ... [2024-11-25 04:32:26,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:26" (1/1) ... [2024-11-25 04:32:26,365 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:32:26,366 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:32:26,366 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:32:26,367 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:32:26,368 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:32:26" (1/1) ... [2024-11-25 04:32:26,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:32:26,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566c9452-ccd8-4d7b-8871-6f06a975c8f7/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:32:26,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566c9452-ccd8-4d7b-8871-6f06a975c8f7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:32:26,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566c9452-ccd8-4d7b-8871-6f06a975c8f7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:32:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:32:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 04:32:26,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 04:32:26,450 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:32:26,450 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:32:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:32:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:32:26,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:32:26,580 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:32:26,583 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:32:27,335 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2024-11-25 04:32:27,335 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:32:28,074 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:32:28,074 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:32:28,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:32:28 BoogieIcfgContainer [2024-11-25 04:32:28,075 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:32:28,076 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:32:28,076 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:32:28,089 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:32:28,089 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:32:28" (1/1) ... [2024-11-25 04:32:28,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:32:28,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:28,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 41 states and 57 transitions. [2024-11-25 04:32:28,168 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2024-11-25 04:32:28,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-25 04:32:28,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:28,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:32:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:32:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:32,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 104 conjuncts are in the unsatisfiable core [2024-11-25 04:32:32,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:32:32,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:32:32,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 34 [2024-11-25 04:32:33,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:32:33,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 43 [2024-11-25 04:32:34,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:32:34,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 55 [2024-11-25 04:32:35,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:32:35,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:32:35,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:32:35,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 47 [2024-11-25 04:32:35,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:32:35,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:32:35,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:32:35,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2024-11-25 04:32:36,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:32:36,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 67 [2024-11-25 04:32:37,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:32:37,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 79 [2024-11-25 04:32:38,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:32:38,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 84 [2024-11-25 04:32:48,085 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 118 proven. 94 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 04:32:52,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:52,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 76 states and 163 transitions. [2024-11-25 04:32:52,770 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 163 transitions. [2024-11-25 04:32:52,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-25 04:32:52,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:52,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:32:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:32:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:54,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-25 04:32:54,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:32:55,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:32:55,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 26 [2024-11-25 04:32:56,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:32:56,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2024-11-25 04:32:57,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:32:57,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2024-11-25 04:32:57,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:32:57,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:32:57,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:32:57,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 42 [2024-11-25 04:32:58,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:32:58,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:32:58,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:32:58,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 57 [2024-11-25 04:32:58,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:32:58,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 57 [2024-11-25 04:32:59,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:32:59,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 69 [2024-11-25 04:33:00,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:00,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 74 [2024-11-25 04:33:08,541 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 119 proven. 93 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 04:33:18,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:33:18,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 82 states and 206 transitions. [2024-11-25 04:33:18,972 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 206 transitions. [2024-11-25 04:33:18,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-25 04:33:18,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:33:18,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:33:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:33:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:24,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 187 conjuncts are in the unsatisfiable core [2024-11-25 04:33:24,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:33:25,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:25,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:25,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:25,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2024-11-25 04:33:26,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:26,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:26,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:26,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 57 [2024-11-25 04:33:28,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:28,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:28,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:28,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 69 [2024-11-25 04:33:29,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:29,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:29,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:29,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 56 [2024-11-25 04:33:29,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2024-11-25 04:33:30,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:30,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:30,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:30,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2024-11-25 04:33:30,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:30,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2024-11-25 04:33:30,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:30,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 69 [2024-11-25 04:33:31,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:31,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 74 [2024-11-25 04:33:49,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:49,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:49,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:50,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 146 [2024-11-25 04:33:51,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:51,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:51,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:51,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 394 treesize of output 434 [2024-11-25 04:33:52,787 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:33:52,793 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 406 [2024-11-25 04:33:54,480 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:33:54,484 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 406 [2024-11-25 04:33:57,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:57,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:57,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:33:57,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 571 treesize of output 503 [2024-11-25 04:33:58,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 459 treesize of output 439 [2024-11-25 04:34:00,503 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:34:00,516 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 448 [2024-11-25 04:34:02,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:34:02,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:34:02,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:34:02,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 300 treesize of output 244 [2024-11-25 04:34:03,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 218 treesize of output 196 [2024-11-25 04:34:19,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:34:19,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:34:19,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:34:19,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:34:19,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:34:19,592 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:34:19,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 9 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 1 case distinctions, treesize of input 1003 treesize of output 625 [2024-11-25 04:34:19,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 68 treesize of output 50 [2024-11-25 04:34:19,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 49 treesize of output 35 [2024-11-25 04:34:19,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 68 treesize of output 50 [2024-11-25 04:34:19,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 37 treesize of output 29 [2024-11-25 04:34:19,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 68 treesize of output 50 [2024-11-25 04:34:19,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 49 treesize of output 35 [2024-11-25 04:34:20,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 35 treesize of output 27 [2024-11-25 04:34:38,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:34:38,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:34:38,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:34:38,066 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:34:38,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 9 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 1 case distinctions, treesize of input 762 treesize of output 440 [2024-11-25 04:34:54,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:34:54,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:34:54,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:34:54,680 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:34:54,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 9 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 1 case distinctions, treesize of input 588 treesize of output 352 [2024-11-25 04:35:05,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:35:05,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:35:05,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:35:05,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 581 treesize of output 445 [2024-11-25 04:35:05,697 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:35:05,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 3 [2024-11-25 04:35:05,899 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:35:05,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 10 treesize of output 4 [2024-11-25 04:35:05,962 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:35:05,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 10 treesize of output 4 [2024-11-25 04:35:06,096 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:35:06,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 10 treesize of output 4 [2024-11-25 04:35:06,331 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:35:06,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 10 treesize of output 4 [2024-11-25 04:35:12,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:35:12,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:35:12,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:35:12,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 512 treesize of output 396 [2024-11-25 04:35:19,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:35:19,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 519 treesize of output 317 [2024-11-25 04:35:31,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:35:31,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 433 treesize of output 267 [2024-11-25 04:36:02,821 WARN L286 SmtUtils]: Spent 28.65s on a formula simplification that was a NOOP. DAG size: 91 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:36:45,084 WARN L286 SmtUtils]: Spent 33.48s on a formula simplification that was a NOOP. DAG size: 94 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:37:23,266 WARN L286 SmtUtils]: Spent 33.71s on a formula simplification that was a NOOP. DAG size: 94 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:37:26,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:37:26,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 412 treesize of output 266 [2024-11-25 04:37:48,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 48 proven. 947 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-25 04:38:26,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.76s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-25 04:40:36,492 WARN L286 SmtUtils]: Spent 25.41s on a formula simplification that was a NOOP. DAG size: 92 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:40:50,652 WARN L286 SmtUtils]: Spent 13.68s on a formula simplification that was a NOOP. DAG size: 96 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:41:07,602 WARN L286 SmtUtils]: Spent 15.34s on a formula simplification that was a NOOP. DAG size: 97 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:41:19,811 WARN L286 SmtUtils]: Spent 10.83s on a formula simplification that was a NOOP. DAG size: 95 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:41:38,094 WARN L286 SmtUtils]: Spent 17.80s on a formula simplification that was a NOOP. DAG size: 99 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:41:53,266 WARN L286 SmtUtils]: Spent 13.06s on a formula simplification that was a NOOP. DAG size: 100 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:42:24,103 WARN L286 SmtUtils]: Spent 29.64s on a formula simplification that was a NOOP. DAG size: 95 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:43:15,211 WARN L286 SmtUtils]: Spent 49.43s on a formula simplification that was a NOOP. DAG size: 95 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:43:37,620 WARN L286 SmtUtils]: Spent 16.57s on a formula simplification that was a NOOP. DAG size: 100 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:44:17,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-25 04:44:17,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:44:17,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 140 states and 423 transitions. [2024-11-25 04:44:17,856 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 423 transitions. [2024-11-25 04:44:17,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-25 04:44:17,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:44:17,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:44:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:44:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:44:22,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 114 conjuncts are in the unsatisfiable core [2024-11-25 04:44:22,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:44:22,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:22,527 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 16 treesize of output 11 [2024-11-25 04:44:22,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:22,667 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 16 treesize of output 11 [2024-11-25 04:44:22,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:22,805 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 16 treesize of output 11 [2024-11-25 04:44:23,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:23,488 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 16 treesize of output 11 [2024-11-25 04:44:23,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:23,655 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 16 treesize of output 11 [2024-11-25 04:44:23,797 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 23 treesize of output 11 [2024-11-25 04:44:23,959 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 23 treesize of output 11 [2024-11-25 04:44:24,144 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 23 treesize of output 11 [2024-11-25 04:44:27,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:27,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 226 treesize of output 154 [2024-11-25 04:44:27,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:27,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:27,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:27,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 235 treesize of output 179 [2024-11-25 04:44:29,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:29,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:29,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:29,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 235 treesize of output 179 [2024-11-25 04:44:37,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:37,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:37,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:37,928 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:44:37,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 251 treesize of output 163 [2024-11-25 04:44:45,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:45,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:45,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:45,421 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:44:45,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 9 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 260 treesize of output 175 [2024-11-25 04:44:50,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:50,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:50,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:50,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 200 [2024-11-25 04:44:50,162 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:44:50,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 3 [2024-11-25 04:44:50,229 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:44:50,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 10 treesize of output 4 [2024-11-25 04:44:52,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:52,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:52,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:52,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 243 treesize of output 161 [2024-11-25 04:44:53,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:53,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 239 treesize of output 154 [2024-11-25 04:44:57,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:44:57,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 100 [2024-11-25 04:45:01,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:45:01,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 89 [2024-11-25 04:45:16,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 33 proven. 753 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-25 04:47:11,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:47:11,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 146 states and 496 transitions. [2024-11-25 04:47:11,380 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 496 transitions. [2024-11-25 04:47:11,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-25 04:47:11,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:47:11,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms