./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68a7504-bed6-4944-824e-4bd0a42c5c48/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68a7504-bed6-4944-824e-4bd0a42c5c48/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68a7504-bed6-4944-824e-4bd0a42c5c48/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68a7504-bed6-4944-824e-4bd0a42c5c48/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68a7504-bed6-4944-824e-4bd0a42c5c48/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68a7504-bed6-4944-824e-4bd0a42c5c48/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 179ef0051cd9d26bcc80fffb98e92972213fce9443d8e4c52f2d2f0c39f6f4cf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:03:11,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:03:11,576 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68a7504-bed6-4944-824e-4bd0a42c5c48/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:03:11,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:03:11,582 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:03:11,614 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:03:11,617 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:03:11,619 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:03:11,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:03:11,621 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:03:11,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:03:11,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:03:11,624 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:03:11,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:03:11,630 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:03:11,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:03:11,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:03:11,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:03:11,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:03:11,633 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:03:11,633 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:03:11,634 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:03:11,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:03:11,635 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:03:11,635 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:03:11,636 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:03:11,636 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:03:11,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:03:11,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:03:11,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:03:11,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:03:11,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:03:11,639 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:03:11,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:03:11,640 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:03:11,640 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_a68a7504-bed6-4944-824e-4bd0a42c5c48/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68a7504-bed6-4944-824e-4bd0a42c5c48/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 179ef0051cd9d26bcc80fffb98e92972213fce9443d8e4c52f2d2f0c39f6f4cf [2023-11-23 20:03:12,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:03:12,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:03:12,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:03:12,043 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:03:12,044 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:03:12,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68a7504-bed6-4944-824e-4bd0a42c5c48/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2.c [2023-11-23 20:03:15,157 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:03:15,481 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:03:15,482 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68a7504-bed6-4944-824e-4bd0a42c5c48/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2.c [2023-11-23 20:03:15,491 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68a7504-bed6-4944-824e-4bd0a42c5c48/bin/ukojak-verify-1t5iHCbJaC/data/8031550c7/36b61fa74eaa43e4ad304298dd7b1af7/FLAG3bb820173 [2023-11-23 20:03:15,508 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68a7504-bed6-4944-824e-4bd0a42c5c48/bin/ukojak-verify-1t5iHCbJaC/data/8031550c7/36b61fa74eaa43e4ad304298dd7b1af7 [2023-11-23 20:03:15,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:03:15,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:03:15,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:03:15,522 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:03:15,527 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:03:15,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:15" (1/1) ... [2023-11-23 20:03:15,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@674430fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:15, skipping insertion in model container [2023-11-23 20:03:15,532 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:15" (1/1) ... [2023-11-23 20:03:15,558 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:03:15,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:03:15,800 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:03:15,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:03:15,851 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:03:15,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:15 WrapperNode [2023-11-23 20:03:15,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:03:15,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:03:15,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:03:15,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:03:15,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:15" (1/1) ... [2023-11-23 20:03:15,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:15" (1/1) ... [2023-11-23 20:03:15,910 INFO L138 Inliner]: procedures = 16, calls = 51, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2023-11-23 20:03:15,910 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:03:15,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:03:15,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:03:15,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:03:15,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:15" (1/1) ... [2023-11-23 20:03:15,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:15" (1/1) ... [2023-11-23 20:03:15,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:15" (1/1) ... [2023-11-23 20:03:15,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:15" (1/1) ... [2023-11-23 20:03:15,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:15" (1/1) ... [2023-11-23 20:03:15,951 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:15" (1/1) ... [2023-11-23 20:03:15,953 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:15" (1/1) ... [2023-11-23 20:03:15,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:15" (1/1) ... [2023-11-23 20:03:15,961 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:03:15,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:03:15,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:03:15,965 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:03:15,966 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:15" (1/1) ... [2023-11-23 20:03:15,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:03:15,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68a7504-bed6-4944-824e-4bd0a42c5c48/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:03:16,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68a7504-bed6-4944-824e-4bd0a42c5c48/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:03:16,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68a7504-bed6-4944-824e-4bd0a42c5c48/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:03:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:03:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_25_to_33_0 [2023-11-23 20:03:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_25_to_33_0 [2023-11-23 20:03:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:03:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:03:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:03:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:03:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:03:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:03:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:03:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:03:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:03:16,171 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:03:16,174 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:03:16,499 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:03:16,535 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:03:16,535 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:03:16,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:16 BoogieIcfgContainer [2023-11-23 20:03:16,543 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:03:16,549 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:03:16,550 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:03:16,560 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:03:16,561 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:16" (1/1) ... [2023-11-23 20:03:16,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:03:16,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:16,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 60 states and 63 transitions. [2023-11-23 20:03:16,648 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2023-11-23 20:03:16,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:03:16,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:16,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:16,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-23 20:03:16,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:17,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:17,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:17,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 42 [2023-11-23 20:03:17,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:17,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:17,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:17,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 19 treesize of output 15 [2023-11-23 20:03:17,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 17 [2023-11-23 20:03:17,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-23 20:03:17,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:17,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2023-11-23 20:03:17,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:17,271 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 41 treesize of output 17 [2023-11-23 20:03:17,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:17,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 20:03:17,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:17,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 32 [2023-11-23 20:03:17,327 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:17,329 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2023-11-23 20:03:17,336 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:03:17,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:17,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:17,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2023-11-23 20:03:17,358 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:17,358 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:17,375 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:03:17,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 21 [2023-11-23 20:03:17,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:17,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 19 treesize of output 15 [2023-11-23 20:03:17,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-23 20:03:17,433 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-23 20:03:17,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 16 [2023-11-23 20:03:17,437 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:17,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:17,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:17,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2023-11-23 20:03:17,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:17,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:17,491 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 41 treesize of output 17 [2023-11-23 20:03:17,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:17,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 20:03:17,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:17,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 32 [2023-11-23 20:03:17,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:17,535 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 36 treesize of output 17 [2023-11-23 20:03:17,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:17,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 20:03:17,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:17,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:17,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 63 states and 66 transitions. [2023-11-23 20:03:17,701 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 66 transitions. [2023-11-23 20:03:17,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:03:17,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:17,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:17,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-23 20:03:17,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:17,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:17,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:18,431 INFO L349 Elim1Store]: treesize reduction 312, result has 29.7 percent of original size [2023-11-23 20:03:18,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 550 treesize of output 635 [2023-11-23 20:03:18,557 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 34 treesize of output 32 [2023-11-23 20:03:18,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-23 20:03:18,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:18,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:18,990 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,049 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,060 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,088 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,098 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,103 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,107 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,108 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,111 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,112 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,112 INFO L224 Elim1Store]: Index analysis took 153 ms [2023-11-23 20:03:19,203 INFO L349 Elim1Store]: treesize reduction 108, result has 13.6 percent of original size [2023-11-23 20:03:19,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 128 treesize of output 182 [2023-11-23 20:03:19,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:19,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:19,633 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,667 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,689 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,697 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,704 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,705 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,719 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,719 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,724 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,726 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,743 INFO L349 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2023-11-23 20:03:19,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 116 treesize of output 156 [2023-11-23 20:03:19,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:19,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:19,820 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,824 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,825 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,839 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,840 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,852 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,854 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,855 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:19,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 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 93 treesize of output 87 [2023-11-23 20:03:20,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:20,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:20,110 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:20,122 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:20,132 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:20,151 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:20,151 INFO L224 Elim1Store]: Index analysis took 134 ms [2023-11-23 20:03:20,234 INFO L349 Elim1Store]: treesize reduction 125, result has 12.0 percent of original size [2023-11-23 20:03:20,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 15 case distinctions, treesize of input 105 treesize of output 113 [2023-11-23 20:03:20,365 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:20,367 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2023-11-23 20:03:20,584 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:20,585 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2023-11-23 20:03:20,722 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:20,724 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2023-11-23 20:03:20,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 823 treesize of output 815 [2023-11-23 20:03:21,331 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:21,333 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2023-11-23 20:03:21,393 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:21,400 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2023-11-23 20:03:21,635 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:21,639 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2023-11-23 20:03:21,761 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:21,762 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2023-11-23 20:03:21,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 605 treesize of output 595 [2023-11-23 20:03:22,557 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:22,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2023-11-23 20:03:22,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2023-11-23 20:03:22,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2023-11-23 20:03:22,712 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:22,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 21 [2023-11-23 20:03:22,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2023-11-23 20:03:22,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2023-11-23 20:03:23,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:23,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:23,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:23,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:23,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:28,018 INFO L349 Elim1Store]: treesize reduction 298, result has 38.0 percent of original size [2023-11-23 20:03:28,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 12 new quantified variables, introduced 35 case distinctions, treesize of input 6752 treesize of output 6590 [2023-11-23 20:03:35,805 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:35,806 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 298 [2023-11-23 20:03:35,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:35,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:36,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:36,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:36,730 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:36,769 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:36,804 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:36,849 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:36,898 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:38,119 INFO L224 Elim1Store]: Index analysis took 2115 ms [2023-11-23 20:03:38,191 INFO L349 Elim1Store]: treesize reduction 234, result has 0.4 percent of original size [2023-11-23 20:03:38,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 12 case distinctions, treesize of input 354 treesize of output 559 [2023-11-23 20:03:38,580 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:38,581 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 218 [2023-11-23 20:03:38,778 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:38,779 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 227 [2023-11-23 20:03:38,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:38,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:38,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:38,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:38,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:39,147 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:39,160 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:39,173 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:39,185 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:39,324 INFO L224 Elim1Store]: Index analysis took 347 ms [2023-11-23 20:03:39,603 INFO L349 Elim1Store]: treesize reduction 229, result has 14.9 percent of original size [2023-11-23 20:03:39,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 12 case distinctions, treesize of input 1047 treesize of output 1123 [2023-11-23 20:03:41,416 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:41,418 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 319 [2023-11-23 20:03:41,640 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:41,641 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2023-11-23 20:03:41,759 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:41,760 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2023-11-23 20:03:41,873 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:41,874 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 264 [2023-11-23 20:03:42,027 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:42,028 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 391 [2023-11-23 20:03:42,117 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:42,118 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2023-11-23 20:03:42,268 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:42,270 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 711 [2023-11-23 20:03:42,505 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:42,509 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 680 [2023-11-23 20:03:42,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:42,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:42,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:42,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:42,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:42,690 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:42,937 INFO L349 Elim1Store]: treesize reduction 194, result has 30.7 percent of original size [2023-11-23 20:03:42,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 1194 treesize of output 1252 [2023-11-23 20:03:43,950 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:03:43,953 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:03:44,032 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:03:44,083 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:03:44,304 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:44,305 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 300 [2023-11-23 20:03:44,429 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:44,430 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 300 [2023-11-23 20:03:44,549 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:44,550 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 254 [2023-11-23 20:03:44,601 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:44,602 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 272 [2023-11-23 20:03:44,692 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:03:44,988 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:44,988 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2023-11-23 20:03:45,060 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:45,062 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2023-11-23 20:03:45,167 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:45,168 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2023-11-23 20:03:45,261 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:03:45,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:45,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:45,456 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:45,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:45,465 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:45,470 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-23 20:03:45,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 23 [2023-11-23 20:03:45,558 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:45,559 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2023-11-23 20:03:45,583 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:45,584 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2023-11-23 20:03:45,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:45,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:45,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:45,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:45,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:45,645 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:45,679 INFO L349 Elim1Store]: treesize reduction 133, result has 24.4 percent of original size [2023-11-23 20:03:45,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 123 treesize of output 151 [2023-11-23 20:03:45,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:45,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:45,911 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:45,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:45,933 INFO L349 Elim1Store]: treesize reduction 34, result has 12.8 percent of original size [2023-11-23 20:03:45,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 167 treesize of output 175 [2023-11-23 20:03:45,989 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:45,990 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2023-11-23 20:03:46,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:46,036 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:46,041 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:46,043 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:46,044 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 31 treesize of output 5 [2023-11-23 20:03:46,053 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:46,054 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2023-11-23 20:03:46,075 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:46,076 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2023-11-23 20:03:46,098 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:46,099 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 206 [2023-11-23 20:03:46,223 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:46,226 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 206 [2023-11-23 20:03:46,275 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:46,277 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 206 [2023-11-23 20:03:46,372 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:46,373 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:46,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:46,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:46,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 138 [2023-11-23 20:03:46,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:46,458 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:46,458 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:46,460 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 31 treesize of output 5 [2023-11-23 20:03:46,467 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:46,468 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2023-11-23 20:03:46,484 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:46,484 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2023-11-23 20:03:46,495 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:46,496 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2023-11-23 20:03:46,527 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:46,528 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:46,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:46,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:46,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 136 [2023-11-23 20:03:46,572 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:46,573 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2023-11-23 20:03:46,591 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:46,592 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2023-11-23 20:03:46,609 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:46,610 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2023-11-23 20:03:46,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:46,634 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:46,635 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:46,637 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 87 treesize of output 5 [2023-11-23 20:03:51,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:52,159 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_func_to_recursive_line_25_to_33_0_#in~y.base|))) (and (= (select .cse0 |c_func_to_recursive_line_25_to_33_0_#in~y.offset|) 0) (not (and (let ((.cse1 (= (select .cse0 0) 0))) (or (and (or (exists ((|ULTIMATE.start_main_~#c~0#1.base| Int)) (and (not (= |c_func_to_recursive_line_25_to_33_0_#in~y.base| |ULTIMATE.start_main_~#c~0#1.base|)) (exists ((v_DerPreprocessor_136 (Array Int Int))) (= .cse0 (select (store (store |c_#memory_int| |c_func_to_recursive_line_25_to_33_0_#in~y.base| v_DerPreprocessor_136) |ULTIMATE.start_main_~#c~0#1.base| (select |c_#memory_int| |ULTIMATE.start_main_~#c~0#1.base|)) |c_func_to_recursive_line_25_to_33_0_#in~y.base|))))) (exists ((|ULTIMATE.start_main_~#c~0#1.base| Int)) (and (not (= |c_func_to_recursive_line_25_to_33_0_#in~y.base| |ULTIMATE.start_main_~#c~0#1.base|)) (exists ((v_DerPreprocessor_135 (Array Int Int))) (= .cse0 (select (store (store |c_#memory_int| |c_func_to_recursive_line_25_to_33_0_#in~y.base| v_DerPreprocessor_135) |ULTIMATE.start_main_~#c~0#1.base| (select |c_#memory_int| |ULTIMATE.start_main_~#c~0#1.base|)) |c_func_to_recursive_line_25_to_33_0_#in~y.base|)))))) .cse1) (and .cse1 (or (exists ((|ULTIMATE.start_main_~#c~0#1.base| Int)) (and (not (= |c_func_to_recursive_line_25_to_33_0_#in~y.base| |ULTIMATE.start_main_~#c~0#1.base|)) (exists ((v_DerPreprocessor_126 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_func_to_recursive_line_25_to_33_0_#in~y.base| v_DerPreprocessor_126) |ULTIMATE.start_main_~#c~0#1.base| (select |c_#memory_int| |ULTIMATE.start_main_~#c~0#1.base|)) |c_func_to_recursive_line_25_to_33_0_#in~y.base|) 0) 0)))) (exists ((|ULTIMATE.start_main_~#c~0#1.base| Int)) (and (not (= |c_func_to_recursive_line_25_to_33_0_#in~y.base| |ULTIMATE.start_main_~#c~0#1.base|)) (exists ((v_DerPreprocessor_125 (Array Int Int))) (= .cse0 (select (store (store |c_#memory_int| |c_func_to_recursive_line_25_to_33_0_#in~y.base| v_DerPreprocessor_125) |ULTIMATE.start_main_~#c~0#1.base| (select |c_#memory_int| |ULTIMATE.start_main_~#c~0#1.base|)) |c_func_to_recursive_line_25_to_33_0_#in~y.base|))))))))) (= |c_func_to_recursive_line_25_to_33_0_#in~y.offset| 0))))) is different from false [2023-11-23 20:03:53,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:53,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 66 states and 73 transitions. [2023-11-23 20:03:53,239 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions. [2023-11-23 20:03:53,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:03:53,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:53,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:53,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:03:53,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:53,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:53,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 45 [2023-11-23 20:03:53,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:53,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2023-11-23 20:03:53,426 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 53 treesize of output 25 [2023-11-23 20:03:53,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-23 20:03:53,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:53,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 50 [2023-11-23 20:03:53,453 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:53,454 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:53,454 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:53,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:53,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 40 [2023-11-23 20:03:53,476 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:53,477 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:53,484 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:53,484 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:53,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:53,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 40 [2023-11-23 20:03:53,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:53,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 45 [2023-11-23 20:03:53,513 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:53,525 INFO L349 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2023-11-23 20:03:53,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 16 [2023-11-23 20:03:53,529 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:53,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:53,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 45 [2023-11-23 20:03:53,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:53,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2023-11-23 20:03:53,560 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:53,561 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:53,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:53,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 45 [2023-11-23 20:03:53,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:53,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2023-11-23 20:03:53,602 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:53,602 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:53,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:53,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2023-11-23 20:03:53,617 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:53,622 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:53,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:53,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2023-11-23 20:03:53,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:53,644 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 43 treesize of output 22 [2023-11-23 20:03:53,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:53,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 20:03:53,655 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:53,669 INFO L349 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2023-11-23 20:03:53,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 16 [2023-11-23 20:03:53,672 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:53,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:53,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2023-11-23 20:03:53,686 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:53,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:53,696 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 43 treesize of output 22 [2023-11-23 20:03:53,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:53,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 20:03:53,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:53,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 40 [2023-11-23 20:03:53,723 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:53,723 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:53,729 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:53,730 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:53,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:55,290 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_func_to_recursive_line_25_to_33_0_#in~y.base|))) (and (not (= (select (select |c_#memory_int| |c_func_to_recursive_line_25_to_33_0_#in~x.base|) |c_func_to_recursive_line_25_to_33_0_#in~x.offset|) 0)) (= (select .cse0 |c_func_to_recursive_line_25_to_33_0_#in~y.offset|) 0) (not (and (let ((.cse1 (= (select .cse0 0) 0))) (or (and (or (exists ((|ULTIMATE.start_main_~#c~0#1.base| Int)) (and (not (= |c_func_to_recursive_line_25_to_33_0_#in~y.base| |ULTIMATE.start_main_~#c~0#1.base|)) (exists ((v_DerPreprocessor_136 (Array Int Int))) (= .cse0 (select (store (store |c_#memory_int| |c_func_to_recursive_line_25_to_33_0_#in~y.base| v_DerPreprocessor_136) |ULTIMATE.start_main_~#c~0#1.base| (select |c_#memory_int| |ULTIMATE.start_main_~#c~0#1.base|)) |c_func_to_recursive_line_25_to_33_0_#in~y.base|))))) (exists ((|ULTIMATE.start_main_~#c~0#1.base| Int)) (and (not (= |c_func_to_recursive_line_25_to_33_0_#in~y.base| |ULTIMATE.start_main_~#c~0#1.base|)) (exists ((v_DerPreprocessor_135 (Array Int Int))) (= .cse0 (select (store (store |c_#memory_int| |c_func_to_recursive_line_25_to_33_0_#in~y.base| v_DerPreprocessor_135) |ULTIMATE.start_main_~#c~0#1.base| (select |c_#memory_int| |ULTIMATE.start_main_~#c~0#1.base|)) |c_func_to_recursive_line_25_to_33_0_#in~y.base|)))))) .cse1) (and .cse1 (or (exists ((|ULTIMATE.start_main_~#c~0#1.base| Int)) (and (not (= |c_func_to_recursive_line_25_to_33_0_#in~y.base| |ULTIMATE.start_main_~#c~0#1.base|)) (exists ((v_DerPreprocessor_126 (Array Int Int))) (= (select (select (store (store |c_#memory_int| |c_func_to_recursive_line_25_to_33_0_#in~y.base| v_DerPreprocessor_126) |ULTIMATE.start_main_~#c~0#1.base| (select |c_#memory_int| |ULTIMATE.start_main_~#c~0#1.base|)) |c_func_to_recursive_line_25_to_33_0_#in~y.base|) 0) 0)))) (exists ((|ULTIMATE.start_main_~#c~0#1.base| Int)) (and (not (= |c_func_to_recursive_line_25_to_33_0_#in~y.base| |ULTIMATE.start_main_~#c~0#1.base|)) (exists ((v_DerPreprocessor_125 (Array Int Int))) (= .cse0 (select (store (store |c_#memory_int| |c_func_to_recursive_line_25_to_33_0_#in~y.base| v_DerPreprocessor_125) |ULTIMATE.start_main_~#c~0#1.base| (select |c_#memory_int| |ULTIMATE.start_main_~#c~0#1.base|)) |c_func_to_recursive_line_25_to_33_0_#in~y.base|))))))))) (= |c_func_to_recursive_line_25_to_33_0_#in~y.offset| 0))))) is different from false [2023-11-23 20:03:57,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:57,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 85 transitions. [2023-11-23 20:03:57,148 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 85 transitions. [2023-11-23 20:03:57,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:03:57,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:57,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:57,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-23 20:03:57,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:57,217 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:03:57,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 45 treesize of output 42 [2023-11-23 20:03:57,237 INFO L349 Elim1Store]: treesize reduction 18, result has 30.8 percent of original size [2023-11-23 20:03:57,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 92 [2023-11-23 20:03:57,243 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:57,244 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:57,257 INFO L349 Elim1Store]: treesize reduction 14, result has 39.1 percent of original size [2023-11-23 20:03:57,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 53 [2023-11-23 20:03:57,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 22 [2023-11-23 20:03:57,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 12 treesize of output 15 [2023-11-23 20:03:57,280 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:57,281 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2023-11-23 20:03:57,311 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2023-11-23 20:03:57,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 23 treesize of output 11 [2023-11-23 20:03:57,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 50 treesize of output 47 [2023-11-23 20:03:57,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:57,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:57,362 INFO L349 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2023-11-23 20:03:57,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 58 treesize of output 1 [2023-11-23 20:03:57,369 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:03:57,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 23 [2023-11-23 20:03:57,372 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:57,377 INFO L349 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2023-11-23 20:03:57,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 1 [2023-11-23 20:03:57,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:57,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:57,393 INFO L349 Elim1Store]: treesize reduction 50, result has 2.0 percent of original size [2023-11-23 20:03:57,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 1 [2023-11-23 20:03:57,399 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-23 20:03:57,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 23 [2023-11-23 20:03:57,403 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:57,408 INFO L349 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2023-11-23 20:03:57,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 1 [2023-11-23 20:03:57,429 INFO L349 Elim1Store]: treesize reduction 143, result has 0.7 percent of original size [2023-11-23 20:03:57,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 230 treesize of output 1 [2023-11-23 20:03:57,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:57,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:57,449 INFO L349 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2023-11-23 20:03:57,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 58 treesize of output 1 [2023-11-23 20:03:57,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:57,455 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 8 [2023-11-23 20:03:57,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:57,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 20:03:57,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:57,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:57,474 INFO L349 Elim1Store]: treesize reduction 79, result has 1.3 percent of original size [2023-11-23 20:03:57,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 79 treesize of output 1 [2023-11-23 20:03:57,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:57,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:57,494 INFO L349 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2023-11-23 20:03:57,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 141 treesize of output 1 [2023-11-23 20:03:57,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:57,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:57,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:57,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:57,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:57,514 INFO L349 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2023-11-23 20:03:57,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 1 [2023-11-23 20:03:57,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:57,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:57,534 INFO L349 Elim1Store]: treesize reduction 75, result has 1.3 percent of original size [2023-11-23 20:03:57,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 116 treesize of output 1 [2023-11-23 20:03:57,543 INFO L349 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-23 20:03:57,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 114 treesize of output 127 [2023-11-23 20:03:57,545 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:03:57,550 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:57,551 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2023-11-23 20:03:57,555 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:03:57,556 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2023-11-23 20:03:57,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 75 treesize of output 65 [2023-11-23 20:03:57,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2023-11-23 20:03:57,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:57,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:57,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-23 20:03:57,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:03:57,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-23 20:03:57,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 45 treesize of output 42 [2023-11-23 20:03:57,603 INFO L349 Elim1Store]: treesize reduction 25, result has 3.8 percent of original size [2023-11-23 20:03:57,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 84 [2023-11-23 20:03:57,611 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:03:57,616 INFO L349 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2023-11-23 20:03:57,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 1 [2023-11-23 20:03:57,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:04:01,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:01,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 73 states and 91 transitions. [2023-11-23 20:04:01,012 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 91 transitions. [2023-11-23 20:04:01,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:04:01,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:01,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:01,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:04:01,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:01,074 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:04:01,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 17 [2023-11-23 20:04:01,082 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:04:01,094 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 5 treesize of output 3 [2023-11-23 20:04:01,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-23 20:04:01,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:04:01,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2023-11-23 20:04:01,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 17 [2023-11-23 20:04:01,118 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-23 20:04:01,123 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 5 treesize of output 3 [2023-11-23 20:04:01,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:04:01,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2023-11-23 20:04:01,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:04:01,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 10 treesize of output 8 [2023-11-23 20:04:01,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:04:01,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 42 [2023-11-23 20:04:01,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:04:01,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 47 [2023-11-23 20:04:01,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:04:01,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 42 [2023-11-23 20:04:01,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:04:01,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:04:01,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 8 [2023-11-23 20:04:01,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:04:01,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2023-11-23 20:04:01,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:04:01,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2023-11-23 20:04:01,223 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:04:01,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:04:01,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 40 [2023-11-23 20:04:01,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 7 [2023-11-23 20:04:01,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:04:03,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:03,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 76 states and 96 transitions. [2023-11-23 20:04:03,293 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 96 transitions. [2023-11-23 20:04:03,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:04:03,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:03,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:03,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:04:03,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:03,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:04:03,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 45 [2023-11-23 20:04:03,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:04:03,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2023-11-23 20:04:03,385 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 49 treesize of output 23 [2023-11-23 20:04:03,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-23 20:04:03,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:04:03,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 50 [2023-11-23 20:04:03,411 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:04:03,412 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:04:03,413 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:04:03,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:04:03,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 40 [2023-11-23 20:04:03,428 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:04:03,429 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:04:03,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:04:03,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2023-11-23 20:04:03,445 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:04:03,449 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:04:03,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:04:03,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 45 [2023-11-23 20:04:03,464 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:04:03,465 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:04:03,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:04:03,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2023-11-23 20:04:03,476 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:04:03,497 INFO L349 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2023-11-23 20:04:03,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 16 [2023-11-23 20:04:03,500 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:04:03,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:04:03,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 40 [2023-11-23 20:04:03,512 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:04:03,512 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2023-11-23 20:04:03,517 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:04:03,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:04:03,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 45 [2023-11-23 20:04:03,531 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:04:03,531 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2023-11-23 20:04:03,539 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-23 20:04:03,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:04:03,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2023-11-23 20:04:03,551 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:04:03,554 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:04:03,555 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2023-11-23 20:04:03,558 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:04:03,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:04:03,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 40 [2023-11-23 20:04:03,571 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:04:03,572 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:04:03,576 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:04:03,577 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:04:03,594 INFO L349 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2023-11-23 20:04:03,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 16 [2023-11-23 20:04:03,600 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 20:04:03,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:04:03,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:03,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 78 states and 99 transitions. [2023-11-23 20:04:03,969 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 99 transitions. [2023-11-23 20:04:03,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:04:03,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:03,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:04,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:04:04,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:04:04,774 INFO L349 Elim1Store]: treesize reduction 508, result has 21.0 percent of original size [2023-11-23 20:04:04,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 706 treesize of output 477 [2023-11-23 20:04:04,790 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:04:04,791 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 392 [2023-11-23 20:04:04,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1